biologi k123 f4 2010
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Biologi Kertas 120101 1/4 jam
PEPERIKSAAN SELARAS AKHIR TAHUN TINGKATAN 4
MATA PELAJARAN SAINS DAN MATEMATIKSEKOLAH-SEKOLAH MENENGAH NEGERI MELAKA
2010
Kelolaan:
PEJABAT PELAJARAN DAERAHMELAKA TENGAH
BIOLOGI
KERTAS 1
Satu jam lima belas minit
JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU
1. Kertas soalan ini mengandungi soalan yang terdiri daripada 50 soalan objektif.Jawab semua soalan.
2. Rajah yang mengiringi soalan dimaksudkan untuk memberi maklumat yangberguna bagi menjawab soalan. Rajah tidak dilukis mengikut skala kecualidinyatakan sebaliknya.
3. Penggunaan kalkulator saintifik yang tidak boleh diprogramkan adalahdibenarkan.
Kertas soalan ini mengandungi 30 halaman bercetak .
[Lihat sebelah]
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Instruction: Forquestion 1 to question 50, each question is followed by fouralternative answers A, B, C orD. Choose one correct answer for each question.
1. Which of the following is a type of connective tissue?Antara yang berikut, yang manakah merupakan tisu penghubung?
2. Diagram 1 shows an organelle.Rajah 1 menunjukkan satu organel.
Diagram 1/Rajah 1
What is the main function of this organelle?Apakah fungsi utama organel ini?
A PhotosynthesisFotosintesis
B DNA replicationReplikasi DNA
C Production of energyPenghasilan tenaga
D Production of enzymesPenghasilan enzim
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3. Diagram 2 shows an aquatic organism.[Rajah 2 menunjukkan organisma akuatik]
Diagram 2Rajah2
What is the process of substances moving in and out of the organismas shown by the
arrows?
[Apakah proses pergerakan keluar-masuk bahan pada organisma seperti yang ditunjukkan
oleh anak panah.]
A Diffusion[Resapan]
B Osmosis[Osmosis]
C Active transport[Pengangkutan aktif]
D Facilitated diffusion[Resapan berbantu]
4. Diagram 3 shows three types of movement, X, Y and Z, across a plasma membrane?Rajah 3 menunjukkan tiga jenis pergerakan X, Y dan Z melalui membrane plasma.
Diagram 3/Rajah 3
Carbon dioxide[Karbon dioksida]
Oxygen[Oksigen]
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What are X, Y dan Z?Apakah X, Y dan Z?
X Y Z
A Active transportPengangkutan
aktif
Osmosisosmosis
DiffusionResapan
B Active transport
Pengangkutanaktif
Passive transport
PengangkutanPasif
Diffusion
Resapan
C FacilitatedtransportResapanberbantu
Active transportPengangkutan
aktif
DiffusionResapan
D FacilitatedtransportResapanberbantu
Active transportPengangkutan
aktif
OsmosisOsmosis
5. Diagram 4 is a graph which shows the changes in mass of a potato strip in distilled waterat 20
0C.
Rajah 4 ialah graf yang menunjukkan perubahan dalam jisism jalur ubi kentang dalam airsuling pada suhu 20
0C.
Diagram 4/Rajah 4
Which of the following is a correct description of the potato cells between hour 2 and hour3?Pernyataan manakah adalah betul tentang penerangan sel-sel ubi kentang antara jam 2dan jam 3 ?
A The cells were turgid.Sel-sel adalah turgid.
B The cell vacuole burst.Vokuol sel pecah.
C The cell wall was impermeable to waterDinding sel adalah tidak telap kepada air
D The cell membrane was fully permeableMembran sel adalah telap sepenuhnya.
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6. Diagram 5 shows an experiment which is carried out to study diffusion through a semipermeable membrane.Rajah 5 menunjukkan eksperimen yang dilakukan untuk mengkaji resapan melaluimembrane separa telap.
DIAGRAM ?
DIAGRAM 17
Diagram 5
What are Q and R?
Apakah Q dan R?Q R
A Sucrose solution 30% Distilled water
B Sucrose solution 50% Sucrose solution 30%
C Sucrose solution 30% Sucrose solution 30%
D Sucrose solution 10% Sucrose solution 30%
7. Diagram 6 shows the structure of plasma membraneRajah 6 menunjukkan struktur membrane plasma
Diagram 6/Rajah 6
What is structure X?Apakah struktur X?
A Glycoprotein C Peripheral proteinGlikoprotein Protein periferal
B Cholesterol tail D CytoskeletonEkor kolesterol Sitoskeleton
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8. Which organelle that contains the enzymes needed to synthesise ATP in the presence ofoxygen?
Organel manakah yang mengandungi enzim yang diperlukan untuk mensintesis ATPdalam kehadiran oksigen?
A S C UB T D V
9. Diagram 7 shows epithelial cells that are found in various parts of the lung andassociated structures. Which list represents the correct combinations of these?
Rajah 7 menunjukkan epithelial sel yang didapati di pelbagai bahagian peparu dan
struktur yang berkaitan. Senarai yang manakah mewakili combinasi yang betul?
Diagram 7/Rajah 7
P Q R
A TracheaTrakea
Pulmonary veinVena pulmonary
IntestineUsus
B AlveolusAlveolus
IntestineUsus
SkinKulit
C TracheaTrakea
SkinKulit
Pulmonary veinVena pulmonary
D SkinKulit
LungParu-paru
TracheaTrakea
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10. Which diagram best repserents the levels of organization in the human body?Rajah manakah paling sesuai mewakili aras organisasi dalam badan manusia?
11. Which of the following represents the secondary structure of protein?Antara yang berikut, yang manakah mewakili struktur sekunder protein?
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12. Which of the following are true about protein?[Antara berikut yang manakah benar tentang protein?]
I Formation of polypeptides is a condensation reaction[Pembentukkan polipeptida adalah suatu tindakan kondensasi]
II Breakdown of polypeptides is hydrolysis reaction[Penguraian polipeptida adalah suatu tindakan tindakan hidrolisis]
III Essential amino acids cannot be synthesized by animal cells.[ Asid amino perlu tidak boleh disintesis oleh sel haiwan]
IV Non-essential amino acid can be synthesized by animal cells.[Asid amino tidak perlu dapat disintesiskan oleh sel haiwan]
13 Which enzyme, substrate and condition are needed for the digestion of food in the stomach?Yang manakah enzim, substrat dan keadaan yang diperlukan untuk pencernaan makanandalam perut?
Enzyme Substrate Conditions
A Amylase Starch Acid
B Amylase Starch Alkaline
C Pepsin Protein Acid
D Protease protein Acid
A I and II only[I and II sahaja]
C III and IV only[III dan IV sahaja]
B I,II and III only[I , II dan III sahaja]
D I,II,III and IV only[I,II, III dan IV sahaja]
14 The following statements are about the use of a specific enzyme in industries and daily lives.Berikut adalah kenyataan tentang kegunaan spesifik enzim dalam industri dan kehidupanharian.
What is the enzyme used?Apakah enzim tersebut?A Amylase C Protease
B Lipase D Zymase
o Tenderising meatMelembutkan daging
o Remove fish skin
Mengeluarkan kulit ikano Extracting fur from animal skin
Mengeluarkan rambut daripada kulit haiwan
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15. Four different food tests were carried out on a food sample.
The results are shown in Table 1.
[Empat ujian makanan yang berbeza telah dijalankan keatas suatu sampel makanan.
Keputusan ditunjukkan dalam Jadual 1]
Test tube[Tabung uji]
Test carried out[Ujian yang dijalankan]
Observation[Pemerhatian]
1 Biuret test[Ujian Biuret]
Purple solution[Larutan ungu]
2 Benedict test[Ujian benedict]
Blue solution[Larutan biru]
3 Iodine test[Ujian iodin]
Dark blue[Biru gelap]
4 DCPIP test
[Ujian DCPIP]
Colourless solution
[Larutan tidak berwarna]
Table 1[Jadual 1]
The food sample contains
[Makanan tersebut mengandungi]
I protein[protein]
II starch
[kanji]
III vitamin C[vitamin C]
IV reducing sugar [Gula penurun]
A I and IV only[I dan IV sahaja]
C I, II, III and IV[I,II, III dan IV]
B II and III only[II dan III sahaja] D I, II and III only[I, II dan III sahaja]
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16. Diagram 8 shows a stage during meiosis in an animal cell.[Rajah 8 menunjukkan suatu peringkat meiosis dalam sel haiwan]
Diagram 5[Rajah5]
Which of the statement about the cell is true?[Manakah diantara pernyataan berikut benar tentang sel tersebut?]
A The cell is found in the liver.[Sel tersebut terdapat di dalam hati]
B The cell has four chromosomes at interphase.[Sel tersebut mempunyai empat kromosom semasa interfasa]
C The cell produces diploid daughter cells at the end of the process.[Sel tersebut menghasilkan sel anak diploid di akhir proses.]
D The cell produces two daugther cells at the end of the process.[Sel tersebut menghasilkan dua sel anak di akhir proses.]
17. Diagram 9 shows metaphase 1 in an animal cell.[Rajah 9 menunjukkan metafasa 1 dalam sel haiwan]
Diagram 6[Rajah 6]
How many chromosomes are there in the daughter cell of this division?[Berapakah bilangan kromosom dalam sel anak selepas pembahagian ini?]
A 2 C 8
B 4 D 16
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18. Diagram 10 shows the process of cloning a sheep.[Rajah 10 menunjukkan proses pengklonan kambing biri-biri]
Diagram 7[Rajah7]
Which of the following is the offspring X?[Antara yang berikut yang manakah anak X?]
A. C.
B D.
Offspring X[Anak X]
Diploid cell[Sel diploid] Ovum
[Ovum]
Embryo[Embrio]
Surrogate mother[Ibu tumpang]
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19 Diagram 11 shows the phases in a cell cycle.Rajah 11 menunjukkan fasa-fasa dalam satu kitar sel
Diagram 11
Which of the following represents V?Manakah yang berikut mewakili V?
A mitosis C stage SB cytokinesis D stage G1
20. Which of the following is an autotrophic organism?[Antara berikut yang manakah organisma autotrofik?]
A Cat
[Kucing]
B Amoeba[Amoeba]
C Mushroom[Cendawan]
D Hibiscus plant[Pokok bunga raya]
21 Bleeding gums is due to the deficiency of[Gusi berdarah disebabkan oleh kekurangan]
A iron[besi]
B calcium[kalsium]
C vitamin B[vitamin B]
D vitamin C
[vitamin C]
Yhase
X phase X hase
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22 Which of the following carbohydrates is a disaccharide?[Antara karbohidrat berikut yang manakah disakarida?]
A Fructose[Fruktosa]
C Galactose[Galaktosa]
B Glucose
[Glukosa]
D Sucrose
[Sukrosa]
23 Diagram 12 shows the human digestive system.[Rajah 12 menunjukkan sistem pencernaan manusia]
Diagram 12
[Rajah 12]
Which of the following organs A, B,C or D secrete hydrochloric acid?[Antara organ A, B, C atau D berikut ,yang manakah merembeskan asid hidroklorik?]
24. Which adaptations help the villi to absorb mineral salts effectively?[Penyesuaian yang manakah membantu vilus menyerap garam mineral secara berkesan?]
I Large in number.[Bilangan yang banyak]
II Thin epithelial walls.
[Dinding epithelium yang nipis]
III Lacteal in every villus.[Lakteal pada setiap vilus]
IV Dense blood capillaries.[Kapilari darah yang padat]
A I and II only.[I dan II sahaja]
C I, II and IV only[I,II dan IV sahaja]
B II and III only[II dan III sahaja]
D I, III and IV only[I, II dan IV sahaja]
A
B
C
D
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25. Diagram 13 shows the products of a method of food production.[Rajah 13 menunjukkan hasil daripada suatu kaedah penghasilan makanan.]
Diagram 13/[Rajah13]Which of the following are true about the method?[Antara berikut yang manakah benar tentang kaedah tersebut?]
I Discovered by Louis Pasteur.[Ditemui oleh Louis Pasteur]
II Foods can be preserved over a year.[Makanan boleh disimpan lebih daripada setahun]
III Can destroy enzymes and kill microorganisms[Boleh memusnahkan enzim dan membunuh mikroorganisma]
IV Used only for preservation of fish and vegetables[Hanya digunakan untuk mengawet ikan dan sayur-sayuran]
A I and II only.[I dan II sahaja]
C II and IV only[II dan IV sahaja]
B II and III only[II dan III sahaja]
D I, III and IV only[I, II dan IV sahaja]
26. Which of the following statements is true about essential amino acids?Antara pernyataan berikut yang manakah benartentang asid amino perlu?
I
II
III
IV
Cannot be synthesised by the bodyTidak dapat dihasilkan oleh badan
Constitute the majority of total amino acidsTerdiri daripada hampir kesemua amino asid
There are nine essential amino acids in totalTerdapat sembilan asid amino perlu semuanya
Main sources are meat, milk and soya beansSumber utamanya adalah daging, susu dan kacang soya
A
B
C
D
I and IV onlyI dan IV sahaja
II and III onlyII dan III sahaja
I, III and IV onlyI, III dan IV sahaja
I, II, III and IV
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27. Diagram 14 shows the adaptive characteristic of part of a digestive system involved in foodabsorption.
Rajah 14 menunjukkan ciri penyesuaian pada sistem pencernaan yang terlibat dalampenyerapan makanan.
Diagram 14What is structure X?
Apakah struktur X
28.
A
B
C
D
LactealLaktil
MicrovillusMikrovilus
Lymph vesselSalur limfa\
Intestinal glandKelenjar intestinal
Diagram 15 shows a cross section of a leaf .[Rajah 15 menunjukkan keratan rentas sehelai daun.]
Diagram 15[Rajah 15]
What is the adaptation of the structure X to optimize photosynthesis?
X
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[Apakah penyesuaian yang terdapat pada struktur X untuk mengoptimumkanfotosintesis ?
A Have a lot of chloroplast.[Mempunyai banyak kloroplas]
B Large air spaces between cell.
[Ruang udara yang besar antara sel]
C Waterproof layer on the surface.[Lapisan kalis air pada permukaan]
D Cylindrical cell arranged end to end in long row.[Sel berbentuk selindar tersusun hujung ke hujung dalam barisan panjang]
29. Diagram 16 shows the relationship between two important stages in photosynthesis.Rajah 16 di bawah menunjukkan hubungan antara dua peringkat dalam fotosintesis.
Diagram 16
What are stage A and stage B?Apakah peringkat A dan peringkat B?
A
B
C
D
Early stage and final stagePeringkat awal dan peringkat akhir
Light stage and dark stagePeringkat cahaya dan peringkat gelap
Decomposition stage and construction stagePeringkat penguraian dan peringkat pembinaan
Photolysis of water stage and synthesis of water stagePeringkat fotolisis air dan peringkat sintesis air
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30. Diagram 17 shows a respiratory system.[Rajah 17 menunjukkan sistem respirasi.]
Diagram 17[Rajah 17]
Which organism has the system?[Oraganisma yang manakah mempunyai sistem tersebut]
A Snail[Siput]
C Housefly[Lalat]
B Frog[Katak]
D Earthworm[Cacing tanah]
31. Which of the following statements explain the difference between aerobic respiration andanaerobic respiration?
Antara pernyataan berikut yang manakah menerangkan tentang perbezaan antararespirasi aerobik dan respirasi anaerobik?
A
B
C
D
Aerobic respiration does not involve the use of oxygen whereas anaerobic respirationrequires the use of oxygen.Respirasi aerobik tidak melibatkan penggunaan oksigen manakala respirasi
anaerobik memerlukan oksigen.
Aerobic respiration releases less energy whereas anaerobic respiration releases moreenergy.Respirasi aerobik membebaskan kurang tenaga manakala respirasi anaerobikmembebaskan lebih banyak tenaga.
Anaerobic respiration produces lactic acid in plant cells and ethanol and carbon dioxidein animal cells.Respirasi anaerobik menghasilkan asid laktik dalam sel tumbuhan manakala etanoldan karbon dioksida dalam sel haiwan.
Aerobic respiration occurs in mitochondrion while anaerobic respiration occurs in thecytoplasm.Respirasi aerobik berlaku dalam mitokondrion manakala respirasi anaerobik berlakudalam sitoplasma.
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32. Diagram 18 shows the cross section of an alveolus and the surrounding blood capillaryRajah 18 di atas menunjukkan keratan rentas alveolus yang dikelilingi oleh kapilari darah
.
What is the concentration of oxygen at X, Y and Z?.Apa kepekatan oksigen pada X, Y dan Z?
A
B
C
D
XLow
Rendah
LowRendah
HighTinggi
High
Tinggi
YHigh
Tinggi
HighTinggi
LowRendah
Low
Rendah
ZLow
Rendah
HighTinggi
LowRendah
High
Tinggi
33. The following equation shows the relationship between the process of photosynthesis andcell respirationPersamaan berikut menunjukkan hubungan di antara proses fotosintesis dan respirasi sel
Which of the following is possibly represented by X and Y?Yang manakah yang mungkin mewakili X dan Y?
A
B
XGlucose, oxygenGlukosa,oksigen
Glucose, carbon dioxide
Glukosa, karbon dioksida
YGlucose, carbon dioxideGlukosa, karbon dioksida
Glucose, oxygen
Glukosa, oksigen
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34 Diagram 19 shows an owl with a rat.Rajah 19 menunjukkan seekor burung hantu dengan seekor tikus.
Diagram 19Rajah 19
What is the type of interaction between the organisms ?Apakah jenis interaksi antara organism organism itu ?
A ParasitismParasitisme
B Mutualism
MutualismeC Commensalism
KomensalismeD Prey - predator
Mangsa - pemangsa
35. Diagram 20 shows an interaction between two living organisms.Rajah 20 menunjukkan interaksi antara dua organisma hidup.
Diagram 13Rajah 13
Which of the following is true about organism X ?
C
D
Starch, energyKanji, tenaga
Glucose, oxygenGlukosa, oksigen
Carbon dioxideKarbon dioksida
Water, carbon dioxide,ATP energyAir, karbon dioksida, tenaga ATP
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Antara berikut, yang manakah benartentang organisma X ?A Organism X is epiphyte
Organisma X ialah epifitB Organism X is parasite
Organisma X ialah parasitC Organism X harms organism Y
Organisma X merugikan organisma YD Organism X absorbs nutrients from organism Y
Organsima X menyerap nutrien daripada organisma Y
36. Diagram 21 shows a pyramid of numbersRajah 21 menunjukkan satu piramid nombor.
Diagram 14
Rajah 21
Which organism occupies the second trophic level ?Organisma manakah yang menduduki aras trof kedua ?
A B
C D
1st
trophic level
Aras trof 1
2nd
trophic level
Aras tro 2
3r
trophic level
Aras trof 3
4t
trophic level
Aras trof 4
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37. Diagram 22 shows the organisms P and Q.Rajah 22 menunjukkan organisma P dan Q.
Diagram 22Rajah 22
What is the feeding method for P and Q?Apakah kaedah pemakanan bagi P dan Q?
P Q
A AutotropicAutotropik
ParasiticParasitik
B SaprophyticSaprofitik
ParasiticParasitik
C HolozoicHolozoik
SaprophyticSaprofitici
D ParasiticParasitik
HeterotropicHeterotropik
38 Diagram 23 shows a food web in a bushRajah 23 menunjukkan satu jaringan makanan di kawasan semak..
Diagram 23Rajah 23
What is the role of the bird ?
snakeular
frogkatak
grasshopperbelalang
planttumbuhan
caterpillarulat beluncas
birdburung
QP
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Apakah peranan burung ?
A ProducerPengeluar
B Tertiary consumerPengguna tertier
C Primary consumerPengguna primer
D Secondary consumerPengguna sekunder
39. Diagram 24 shows three different zones at a mangrove swamp.Rajah 24 menunjukkan tiga zon yang berbeza di paya bakau.
Diagram 24Rajah 24
Which types of roots are correctly matched to the dominant mangrove plant in the zones P,Q, and R?
Yang manakah jenis akar dipadankan dengan betul kepada pokok bakau yang dominan dizon P, Qdan R?
Zon P Zon Q Zon R
A
B
Q
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C
D
40. Diagram 25 shows two organism living together.Rajah 25 menunjukkan dua organisma yang hidup bersama.
Which of the following describe the relationship between a remora fish (Y ) anda shark ( X )?Manakah antara berikut menerangkan perhubungan antara ikan remora (Y) dan jerung(X)?
Shark (X) Remora fish (Y)
A Host
Perumah
Endoparasites
EndoparasitB Epizoic
EpizoitHostPerumah
C HostPerumah
CommensalKomensal
D EctoparasiteEktoparasit
HostPerumaH
Diagram 25Rajah 25
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41. Diagram 26 shows a type of plant in the mangrove swamp.Rajah 26 menunjukkan sejenis tumbuhan paya bakau.
What is structure P ?Apakah struktur P?
A Prop rootsAkar jangkang
C PneumatophorePneumatofor
B Vivipary seedsBiji benih vivipari
D Succulent leavesDaun sukulen
42. Table 2 shows the result of a field study to estimate the population of garden snails in a vegetablefarmJadual 2 menunjukkan keputusan kajian lapangan untuk menganggar saiz populasi siput kebun didalam sebuah ladang sayur.
SampleNumber of garden snails capturedBilangan siput babi yang ditangkap
FirstPertama 280
SecondKedua
70 marked70 bertanda
80 unmarked80 tidak bertanda
Table 2Jadual 2
What is the estimated population size of the snail ?Berapakah anggaran saiz populasi siput babi berkenaan?
A 6 C 225B 37 D 600
Diagram 26Rajah 26
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43. Diagram 27 shows parts of nitrogen cycle in the atmosphere.Rajah 27 menunjukkan sebahagian kitar nitrogen di atmosfera.
Diagram 27Rajah 27
What is bacteria X?Apakah bakteria X?
A Nitrogen- fixing bacteriaBakteria pengikat nitrogen
B Denitrifying bacteriaBakteria pendenitratan
C Purifying bacteriaBakteria pengurai
D Nitrifying bacteriaBakteria penitritan
44. Table 3 shows the time taken for methylene blue solution to decolourise in three water samples of P,Q and R.Jadual 3 menunjukkan masa yang diambil untuk larutan biru metilena menjadi tidak berwarna bagitiga sampel air iaitu P, Q dan R
Water sampleSampel air
P Q R
Time taken for methyleneblue solution todecolouriseMasa untuk metilena birumenjadi tidak berwarna
8 hours8 jam
3 hours3 jam
5 hours5 jam
Table 3Jadual 3
Which of the following is the sample water for P, Q and R ?Manakah yang berikut mungkin adalah sampel air P, Q dan R ?
P Q R
A Pond waterAir kolam
Drain waterAir longkang
Tap waterAir paip
B Drain water
Air longkang
Tap water
Air paip
Pond water
Air kolam
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C Drain water Air longkang
Pond waterAir kolam
Tap waterAir paip
D Tap water Air paip
Drain waterAir longkang
Pond waterAir kolam
45. The CFCs in the air condition and refrigerator have been replaced by HCFC.Which of the following statement explains the reason for the replacement?
Kandungan CFC di dalam penghawa dingin dan peti sejuk telah digantikan penggunaannya denganHCFC.Di antara pernyataan berikut yang manakah menerangkan sebab penggantian bahan tersebut?
A HCFC cost is cheaper compare to CFCKos HCFC lebih murah berbanding dengan CFC
B HCFC is not easily broken by the UV compare to CFC
HCFC tidak dapat diuraikan dengan mudah oleh sinaran UV berbanding CFC
C HCFC is a lot cooler gas compared to CFCHCFC lebih menyejukkan berbanding CFC
D HCFC is heavier gas so it does not rise to the atmosphereHCFC adalah gas berat, oleh itu ia tidak boleh sampai ke atmosfera
46. Diagram 28 shows a type of pollution.Rajah 28 menunjukkan sejenis pencemaran.
Which of the following is the effect of this type of pollution?
Diagram 28Rajah 28
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Manakah antara berikut adalah kesan daripada pencemaran ini?
A Photosynthesis in aquatic plants is increasedFotosintesis pada tumbuhan akuatik meningkat
B Growth rate in aquatic organism is increasedKadar pertumbuhan pada organisma akuatik bertambah
C Population of aquatic organism is reducedPopulasi organisma akuatik berkurangan
D Tropic level in the food chain is increasedAras trofik dalam rantai makanan bertambah
47. The following information is about eutrophication.Berikut adalah maklumat mengenai eutrofikasi.
Which of the following sequences is correct about the eutrophication process?Antara berikut,manakah urutan yang betul tentang proses eutrofikasi?
A S, P, Q, R C S, Q, R, P
B P, S, R, Q D Q, S, P, R
P Algae grow and cover the surface of the lakeAlga tumbuh dan meliputi permukaan kolam
Q The rate of bacteria reproduction increasesKadar pertumbuhan bacteria meningkat
R BOD of water increasesBOD meningkat
S Organic fertilizer flows into the lakeBaja organic mengalir ke dalam kolam
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48. Which of the following graphs shows the correct relationship between concentration ofatmospheric CO2 and global temperature ?
Antara graf berikut, yang manakah menunjukkan hubungan yang betul antara kepekatanCO2atmosfera dan suhu global ?
Key :Kekunci:
Concentration of atmosphericCO2Kepekatan CO2 atmosfera
Global temperatureSuhu global
A
Concent ra t ion of
C O 2
K e p e k a ta n C O 2
W ord
temperature
S u h u d u n i a
Concent ra t ion of
C O 2
K e p e k a ta n C O 2
W ord
temperature
S u h u d u n i a
B
C o n ce n t r a t io n o f
C O 2
K e p e k a t a n C O 2
W ord
tem perature
S u h u d u n i a
C o n ce n t r a t io n o f
C O 2
K e p e k a t a n C O 2
W ord
tem perature
S u h u d u n i a
C
C o n c e n t r a t io n o f
C O 2
K e p e k a t a n C O 2
W ord
tem perature
S u h u d u n i a
C o n c e n t r a t io n o f
C O 2
K e p e k a t a n C O 2
W ord
tem perature
S u h u d u n i a
Global temperatureSuhu global
Concentration ofatmospheric CO2
Kepekatan CO2atmosfera
Global temperatureSuhu global
Concentration ofatmospheric CO2
Kepekatan CO2atmosfera
Global temperatureSuhu global
Concentration ofatmospheric CO2
Kepekatan CO2
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D
C o n c e n tr a tio n o f
C O 2
K e p e k a t a n C O 2
W o rd
te m p e ra tu re
S u h u d u n ia
C o n c e n tr a tio n o f
C O 2
K e p e k a t a n C O 2
W o rd
te m p e ra tu re
S u h u d u n ia
49. Diagram 29 shows an impact of a phenomenon.Rajah 29 menunjukkan impak dari suatu fenomena.
Diagram 29
What is the phenomenon?Apakah fenomena itu?
A Greenhouse effectKesan rumah hijau
B Ozone depletionPenipisan lapisan ozon
C Thermal pollutionPencemaran haba
D Global warmingPemanasan global
Global temperatureSuhu global
Concentration ofatmospheric CO2
Kepekatan CO2atmosfera
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50. Diagram 30 shows a human activityRajah 30 menunjukkan satu aktiviti manusia
Diagram 30Rajah 30
What is the effect of this activity ?Apakah kesan aktiviti ini ?
A Acid rainHujau asid
B LandslidesTanah runtuh
C EutrophicationEutrofikasi
D Ozone depletion
Penipisan lapisan ozon
END OF QUESTION PAPER
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PPD MELAKA TENGAH
FORM 4 END OF YEAR EXAMINATION 2010
PAPER1 ANSWERS
1 C 11 B 21 D 31 D 41 B
2 A 12 D 22 D 32 B 42 D
3 A 13 C 23 C 33 D 43 A
4 B 14 C 24 C 34 D 44 D
5 A 15 C 25 B 35 A 45 B
6 D 16 B 26 A 36 A 46 C
7 A 17 A 27 A 37 B 47 A
8 C 18 A 28 C 38 D 48 B
9 D 19 B 29 B 39 B 49 D
10 C 20 D 30 C 40 C 50 B
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SULIT Name
4551/2
Biology TingkatanKertas 2
OKTOBER
2 jam
PEPERIKSAAN SELARAS AKHIR TAHUN TINGKATAN 4MATA PELAJARAN SAINS DAN MATEMATIK
SEKOLAH-SEKOLAH MENENGAH NEGERI MELAKA2010
Kelolaan:PEJABAT PELAJARAN DAERAH
MELAKA TENGAH
JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU
1. Tulis nama dan kelas anda pada ruangan yang
disediakan.
2. Kertas soalan ini adalah dalam dwibahasa.
3. Soalan dalam bahasa Inggeris mendahului soalan
yang sepadan dalam Bahasa Melayu.
4. Calon dibenarkan menjawab keseluruhan atau
sebahagian soalan sama ada dalambahasa Inggeris atau bahasa Melayu.
5. Jawapan kepada Bahagian A dan Bahagian Bhendaklah ditulis dalam ruangan jawapan yang
disediakan dalam kertas soalan.
6. Calon dikehendaki membaca maklumat di halaman
belakang kertas soalan ini.
Kertas soalan ini mengandungi 21 halaman bercetak
4551/2@2010 Hak cipta JPM [Lihat sebelah]
BIOLOGI
Kertas 2
Dua jam tiga puluh minit
Untuk Keguanaan Pemeriksa
Bahagian Soalan Markah
Penuh
Markah
Diperoleh
A1 12
2 12
3 12
4 12
5 12
B6 20
7 20
8 20
9 20
Jumlah
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INFORMATION FOR CANDIDATES
MAKLUMAT KEPADA CALON
1. This question paper consists of two sections: Section A and Section B.
Kertas soalan ini mengandungi dua bahagian: Bahagian A dan Bahagian B.
2. Answer all questions in Section A. Write your answer for Section A clearly in spaces
provided in the question paper.
Jawab semua soalan dalam Bahagian A. Jawapan anda bagi Bahagian A hendaklah
ditulis pada ruang yang disediakan dalam kertas soalan ini.
3. Answer any two questions from Section B. Write your answers for Section B on the
answer sheet provided in the question paper. You may use equations, diagrams, tables,
graphs and other suitable methods to explain your answer.
Jawab mana-mana dua soalan daripada Bahagian B. Jawapan anda bagi Bahagian Bhendaklah ditulis dalam ruangan jawapan yang disediakan dalam kertas soalan. Anda
boleh menggunakan persamnaan, rajah, jadual, graf dan cara lain yang sesuai untuk
menjelaskan jawapan anda.
4. The diagrams in the questions are not drawn to scale unless stated.
Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.
5. The marks allocated for each question or sub-part of a question are shown in brackets.
Markah yang diperuntukkan bagi setiap soalan atau ceraian soalan ditunjukkand alam
kurungan.
6. If you wish to change your answer, cross out the answer that you have done. Then write
down the new answer.
Jika anda hendak menukar jawapan, batalkan jawapan yang telah dibaut. Kemudian
tulis jawapan yang baru.
7. You may use a non-programmable scientific calculator.
Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh deprogram.
8. You are advised to spend 90 minute to answer question in Section A and 60 minutes for
Section B.Anda dinasihati supaya mengambil masa 90 minit untuk menjawab soalan dalam
Bahagian A dan 60 minit untuk Bahagian B.
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Section ABahagian A
[60 marks][60 markah]
Answerall questions in this section
Jawab semua soalan dalam bahagian ini
1. Diagram 1 shows organelles P, Q, R and S found in a type of cells from a plantsorgan.
Rajah 1 menunjukkan organel P, Q, R dan S yang terdapat di dalam sejenis seldaripada satu organ tumbuhan.
Diagram 1Rajah 1
(a) (i) On Diagram 1 label organelles P, Q, R and S.
Pada Rajah 1 labelkan organel P, Q, R dan S.
[4 marks]
(ii) Name an organ of the plant from where organelle R is found abundantly.
Namakan organ di mana terdapatnya organel R denganbanyak.
..[ I mark]
1a(i)
1a(ii)
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(b) (i) State a process which occurs in organelle R.
Nyatakan satu proses yang berlaku dalam organel R.
[ 1 mark]
(ii) Y is a pigment which involves in the process in (b)(i).Name the pigment.
Y adalah pigmen yang terlibat dalam proses di(b)(i).Namakan pigmen itu.
[ 1 mark]
(iii) Explain the role of Y in the process.
Terangkan peranan Y dalam proses itu.
.....
[ 2 mark]
(c) P, Q and S found abundantly in animal cell..
Explain the consequences if there are lack of organelles P in the animal muscle cell.
P, Q dan S terdapat banyak dalam sel haiwan.Terangkan akibatnya jika sel kekurangan organel P dalam tisu otot haiwan.
..
..
..
.
[3 marks]
1b(i)
1b(ii)
1b(iii)
1(c)
TOTAL
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2. Diagram 2.1 shows a series of reaction. Process X is the formation of molecules Q, while
process Y is the breakdown of polypeptide.
Rajah 1.1 menunjukkan satu siri tindakbalas. Proses X adalah pembentukan molekul Q,manakala proses Y adalah penguraian polipeptida.
Diagram 2.1
(a) Name molecules P and Q.
Namakan molekul P dan molekul Q.
Molecules P: ...............................................................................................Molekul P
Molecules Q ; ................................................................ ............................Molekul Q
[ 2 marks ]
(b) Explain the process of X and Y.Terangkan proses X dan proses Y.
(i) Process X // Proses X
...
...
...
[2 mark]
2(a)
2b(i)
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(ii) Process Y // Proses Y
...
...
...
[2 mark]
(c) Diagram 2.2 show two types of organic molecules, polypeptide chains and DNA
molecule found in a nucleus.
Diagram 2.2
(i) State two structural differences between the polypeptide chains and DNA
molecule.
Nyatakan dua perbezaan dari segi srtuktur antara rantai polipetida dan molekul
DNA.
..
..
..
..
[2 marks]
2b(ii)
2c(i)
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(ii) Diagram 2.3 shows the basic unit of DNA molecule.
Diagram 2.3
Name the structures P and Q.Namakan strukturP dan strukturQ.
P : ...........................................................................................................................
Q : ...........................................................................................................................[2 marks]
[2 markah]
(ii) A DNA molecule consists of two nucleotide chains. Complete Diagram 4.2to show a DNA molecule. Part of one of the nucleotide chains has beendrawn.
Satu molekulDNA terdiri daripada dua rantai nukleotida. LengkapkanRajah 4.2 untuk menunjukkan satu molekulDNA. Sebahagian daripada saturantai nukleotida itu telah dilukiskan.
[2 marks][2 markah]
2c(ii)
2c(iii)
TOTAL
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3. Diagram 3.1 shows three stages of mitosis, P, Q and R, in an animal cell.Rajah 3.1 menunjukkan tiga peringkat mitosis, P, Q dan R, dalam sel haiwan.
(a) Name the stages P, Q and R in the spaces provided in Diagram 3.1.
Namakan peringkatP, Q dan R dalam ruang yang disediakan dalamRajah 3.1.
[3 marks][3 markah]
(b) Explain what happens at stage Q.
Terangkan apa yang berlaku pada peringkatQ.
...........................................................................................................................
...........................................................................................................................
...........................................................................................................................[2 marks]
[2 markah]
(c) State the chromosome behaviour at the following stages:
Nyatakan perlakuan kromosom pada peringkat berikut:
Stage P / PeringkatP
...........................................................................................................................
...........................................................................................................................
Stage R / PeringkatR
...........................................................................................................................
...........................................................................................................................
[2 marks][2 markah]
3(a)
3(b)
3(c)
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(d) A farmer wants to breed a good variety of banana plants for commercial production.Suggest a suitable method to be used and explain how the method named can increasethe crop yield.Petani ingin menghasilkan pisang bermutu tinggi bagi penghaslan komersial.Cadangkansatu kaedah yang digunakan dan jelas bagaimana penambahan hasil pertanian.
...........................................................................................................................
...........................................................................................................................
...........................................................................................................................
...........................................................................................................................
[3 marks][3 markah]
(e) Diagram 3.2 shows a cell at stage P. In the next stage, it is found thatchromosome M is not separated.
Rajah 3.2 menunjukkan suatu sel pada peringkatP. Pada peringkatseterusnya, didapati kromosom M tidak berpisah.
Draw and label the diagrams for the two daughter cells which will be formed in thespace provided below.
Lukis dan label rajah kedua-dua sel anak yang akan terbentuk pada ruang yangdisediakan di bawah.
[2 marks][2 markak]
3(d)
3(e)
TOTAL
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4. Diagram 4.1 (a) shows the respiratory system in human.Diagram 4.1 (b) shows the respiratory system in a fish.Rajah 4.1 (a) menunjukkan sistem respirasi manusia.Rajah 4.1 (b) menunjukkan sistem respirasi ikan.
(a) Name the structures X and Y.Namakan sturktur X dan Y.
X :
Y :[2 marks]
4(a)
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(b) Explain two characteristics that X and Y have in common for efficiency in cellularrespiration.Terangkan dua ciri persamaan bagi X dan Y untuk kecekapan proses respirasi sel.
1 :..
...
2 :..
...[4 marks]
(c) ....Explain the process of gases exchange between Y and blood capillary.Terangkan proses pertukaran gas yang berlaku antara Y dan kapilari darah.
...
...
...
...[3 marks]
d) Diagram 4.2 (a) shows the lung of a non smoker.Diagram 4.2 (b) shows the lung of a heavy smoker.
Rajah 4.2 (a) menunjukkan peparu seorang yang tidak merokok.Rajah 4.2 (b) menunjukkan peparu seorang perokok tegar.
State two conditions of the lungs in Diagram 4.2 (b) as compared to the lungs in
Diagram 4.2 (a).
4(b)
4(c)
Forexaminer
use
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Nyatakan dua keadaan peparu dalam Rajah 4.2(b) berbanding dengan peparu dalamRajah 4,2(a).
[2 marks]
(e) State one importance of the respiratory system to the organism.Terangkan satu kepentingan sistem respirasi kepada organisma.
...
...[1 mark]
5. (a) In natural ecosystems, there is competition between members of the same
species as well as between different species.
Dalam ekosistem semulajadi, berlaku persaingan antara ahli dari spesies yang samabegitu juga antara spesies yang berlainan.
Diagram 5.1
Based on Diagram 5.1, explain how competition between members of the samespecies helps to control population growth.
4(d)
4(e)
TOTAL
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Berdasarkan Rajah 5.1, terangkan bagaimana persaingan antara ahli sesama spesiesmembantu mengawal pertambahan populasi.
[ 3 marks ]
(b) Two species of the flour beetle compete with each other for flour. Both are parasitizedby a protozoan .The graph in Diagram 5.2 show the changes in numbers of the twospecies over 900 days when a parasite is absent and when it is present.
Dua spesis kumbang tepung bersaing antara satu sama lain untuk mendapatkantepung. Sejenis protozoa menjadi parasit kepada kedua-dua spesis kumbang itu .Graf dalam Rajah 5.2 menunjukkan perubahan dalam bilangan kedua-dua spesisuntuk tempoh 900 hari sama ada dikultur bersama parasit dan dikultur tanpa parasit.
DIAGRAM 5.2
i) Which species is the most successful when the parasite is absent ?Explain your answer.
Spesis manakah yang paling berjaya dalam persaingan apabila tiada parasit ?Terangkan jawapan anda.
.
.
..
..[ 3 marks ]
5(a)
5(b )(i)
Forexamine
s use
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ii) Explain the effect of the parasite on the relative success of the two beetles.
Terangkan kesan parasit berhubung dengan kemandirian kedua-dua kumbangitu.
.
.
.
[ 2 marks ]
(c) Diagram 5.3 shows the undesirable weeds which grow along with crop and poseserious problem in the crop production.The crop plants have to compete with the weeds for the same resources.
Rajah 5.3 menunjukkan rumpair yang tidak dikehendaki tumbuh bersama tanamandan menyebabkan masalah yang serius dalam pengeluaran hasil tanaman.Tanaman itu terpaksa bersaing dengn rumpair untuk mendapatkan sumber yangsama.
Diagram 5.3
State two factors that the crop and weeds may compete forand explain theeffects of the competition.
Nyatakan dua faktor yang menyebabkan tanaman dan rumpair itu bersaing untukmendapatkannya dan terangkan kesan-kesan dari persaingan itu.
Factor 1 : ...
Effect : ..
[ 2 marks ]
5 (b) (ii)
Forexaminers
use
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Factor 2 : .
Effect : .
[ 2 marks]
5(c)
TOTAL
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Section BBahagian B
[40 marks][40 markah]
Answer any two questions from this section
Jawab mana-mana dua soalan daripada bahagian ini
6. (a) Diagram 6.1 shows the initial and final stage of an experiment.Rajah 6.1 menunjukkan peringkat awal dan peringkat akhir satu eksperimen.
Diagram 6.1Rajah 6.1
Explain briefly the process shown in Diagram 6.1.Terangkan secara ringkas proses yang ditunjukkan dalam Rajah 6.1.
[4 marks]
(b) Diagram 6.2 shows a spinach stem that is immersed in different sucrosesolutions.Rajah 6.2 menunjukkan batang bayam direndam di dalam larutan sukrosayang berlainan.
Diagram 6.2Rajah 6.2
Explain what happens to the spinach stem in different sucrose solutions asshown above.Terangkan apakah yang berlaku kepada batang bayam dalam larutan sukrosayang berbeza seperti yang ditunjukkan di atas.
[8 marks]
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(c) Diagram 6.3(a) shows condition of a plant during drought and Diagram 6.3(b) showsthe condition of the same plant after the plant is given water.
Rajah 6.3(a) menunjukkan keadaan sepohon pokok semasa kemarau dan Rajah6.3(b) menunjukkan keadaan pokok yang sama selepas pokok tersebut disiramdengan air.
Diagram 6.3(a) Diagram 6.3(b)Rajah 6.3(a) Rajah 6.3(b)
Two root epidermal cell P obtained from the plant in diagram 6.3(a) and Q from theplant in Diagram 6.3(b).Dua sel epidermis akar P diperoleh dari pokok dalam rajah 6.3(a) dan Q diperolehdari pokok dalam Rajah 6.3(b)
Cell P Cell QSel P Sel Q
Based on Diagram, explain what had happened to the plant
Berdasarkan Rajah, terangkan apa yang telah berlaku pada tumbuhan tersebut.[8 marks]
[8 markah]
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7.(a) Explain why it takes several minute for the pulse rate to return to normal after a vigorousexercise.
Terangkan mengapakah kadar degupan jantung mengambil masa beberapa minit untukkembali normal selepas aktiviti cergas.
[4 marks](b) Diagram 7.1 shows two different organelles.
Rajah 7.1 menunjukkan dua jenis organel yang berbeza.
Diagram 7.1Rajah 7.1
Explain the differences between the processes that take place in organelle P andOrganelle Q.
Terangkan perbezaan proses yang berlaku dalam organel P dan Q.[6 marks]
(c) Diagram 7.2 shows gaseous exchange across the surface of the alveoli and bloodcapillaries, and between the tissue capillaries and body cells.
Rajah 7.2 menunjukkan proses pertukaran gas melalui permukaan alveolus dan kapilaridarah, dan antara kapilari darah dan sel badan.
Diagram 7.2Rajah 7.2
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Based on diagram, explain the process of gaseous exchange between the alveoli andblood capillaries, and between the tissue capillaries and body cells.Your explanation should be based on the differences in the partial pressure ofrespiratory gases between the tissues.
Berdasarkan gambarajah, terangkanproses pertukaran gas antara alveolus dan kapilaridarah dan antara tisu kapilari dan sel badan. Penerangan mestilah berdasarkan
perbezaan kepekatan gas respirasi antara tisu. [10 marks]
8. Diagram 8 shows the assimilation of digested food in the organ and bodycell.Gambarajah 8 menunjukkan proses asimilasi makanan yang tercerna didalam organ dan sel badan.
DIAGRAM 8Gambarajah 8
a ) Based on Diagram 8 , explain the assimilation of the following nutrient
Berdasarkan gambarajah 8, terangkan proses asimilasi untuk nutrien
( i ) glucoseglukosa
( ii ) amino acidsasid amino
( iii ) lipidslipid
[ 10 marks ]
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b) Energy requirement for a girl aged 15 is 9000 kJ daily. Table 1 shows types offood, quantity and energy content of her daily
menu.
`` Keperluan tenaga bagi seorang gadis berusia 15 tahun ialah 9000kJ sehari.Jadual 1 menunjukkan jenis makanan, kuantiti dan kandungan tenaga didalam menu hariannya.
Types of foodJenis makanan
Quantity takenKuantiti yang
diambil( g )
Energy ContentJumlah tenaga
( kJ /100 g )
Ricenasi
350 1500
ChipsKeropok
150 1000
Roasted ChickenAyam panggang
300 800
Grilled Beef
Daging panggang
200 1200
Boiled potatoKentang rebus
150 500
ChocolateCoklat
100 2500
Yogurt / Dadih 200 200
EggTelur
100 600
TABLE 1Jadual 1
Calculate the total energy value taken by the girl daily .Does the energy values satisfy her requirement ?
If she continues to take the menu everyday for a long time, explain theconsequences of the habit to her health.
Kirakan nilai jumlah tenaga yang diambil oleh gadis tersebut setiap hari.Adakah nilai tenaga itu memenuhi keperluan gadis itu?Jika beliau meneruskan pengambilan menu tersebut setiap hari untuk jangkamasayang panjang, terangkan kesan tabiat tersebut terhadap kesihatannya.
[10 marks ]
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9. Due to development, air pollution is becoming one of a health hazard tohuman.
Pencemaran udara merupakan salah satu kesan pembangunan yangmenyebabkan masalah kesihatan kepada manusia
(a) Discuss the above statement.Bincangkan pernyataan di atas. [10 marks]
(b) Discuss the effects of mismanaged development on the ecosystem. Describethree steps that can be used to overcome this problem.
Bincangkan kesan-kesan daripada pembangunan yang tidak terancang keatas ekosistem. Huraikan tiga langkah yang boleh digunakan untuk mengatasimasalah ini.
[10 marks]
END OF QUESTION PAPER
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MARKING SCHEME : F4 END OF YEAR EXAM - PAPER 2
SECTION A
1(a)i
(a)ii
(b)i
(b)ii
(b)iii
(c )
Able to shows organelles P,Q R and S found in
a type of cells from a plants organ.
Answer
P: mitochondria
Q: rough endoplasmic reticulum
R: chloroplastS: Golgi apparatus
Able to name the organelle accurately
Answer
Leaf
Able to state the process that occurs in theorganelle R
Answer
Photosynthesis
Able to name the pigmentAnswerchlorophyll
Able to explain the role of Y in the process
Answer
F Absorb sunlight
E1 change the light energy to chemical energy
E2 carbon dioxide and water is convert into glucose
E3 (and) stored as starch/food in plant
Any two
Able to explain the consequence of a lack oforganelle P in the animals muscle cellAnswer
F its a sites of cellular respiration
E1 less energy is generated/produce
E2 less work can be done by the muscle
1
1
1
1
1
1
1
1
1
1
1
111
TOTAL
4
1
1
1
2
3
12
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2(a)
(b)
(c)(i)
(c )(ii)
(c )iii
Able to name the molecules P and Q
Answer
P: amino acids
Q: dipeptide
Able to explain the processes of X and Y
Answer
i.Process X
P1:molecules P combined together chemically by
condensation process
P2:molecules of water is produced
ii. Process Y
P1:polypeptide can be broken down into
molecule Q through hydrolysis processP2: requires a molecules of water to breakdown
Able to state two structural differences
between the polypeptide chains and DNA
molecule
Sample answer
P1 DNA is double stranded whereaspolypeptide is single stranded
P2 DNA is made up of repeating units of
phosphate, sugar and nitrogenousbases(nucleotides) whereas polypeptide is made
up of (20) different type of amino acids
Able to name the structures P and QAnswerP: phosphate moleculeQ: nitrogenous base
Able to complete the DNA moleculeAnswer
11
1
1
1
1
1
1
11
2
2
4
2
2
2
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3(a)
(b)
(c )
(d)
(e)
Able to name the stages P,Q and R
AnswerP: metaphaseQ:prophase
R: anaphase
Able to explain what happens at stage Q
AnswerP1: chromosome become shorter and thicker
P2: each chromosome consist of two sister chromatids joint
together at the centromeres
P3: spindle fibres begin to form between the centrioles
Able to state the chromosome behaviour at the followingstagesAnswer
Stage P: the chromosomes are arranged randomly at the cell
equator/metaphase plate
Stage R: the two sister chromatids of each chromosomes arepulled apart to the opposite poles
Able to suggest a suitable methodAnswer
Tissue culture
Able to explain how the method named can increase the cropAnswer
P1:plant tissues are cut into small pieces called explantP2: explants are transferred into a test tube containing culturemediumP3:explant divide through mitosis and develop new shootsP4:roots will then develop through mitosis producing young plants
Able to draw and label the diagram for the twodaughter cellswhich will be formed in the space provided
Answer
11
1
1
1
1
1
1
1
1
1
1
1
1
1
TOTAL
3
2
2
1
2
2
12
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4(a)
(b)
(c )
(d)
Able to name structure X and Y correctly
AnswerX : alveolusY : Filament
Able to explain two characteristics which the human respiratorysystem and the fish respiratory system have in common correctlySample answer
F1 : Both have many tiny structures // human has many alveolus andfish has many filaments / lamellas
E1 to increase total surface( area per volume )F2 : Both respiratory organs are surrounded by many/very densenetwork of blood capillaries for diffusion of gasesE2to be more efficientP3 : Both respiratory organs have very thin cellmembranes/surfaces , only one cell thick for diffusion of gases to
be more efficientP4 : Both respiratory organs are moist , the gases easily dissolvedin the moist , diffusion of gases more efficient
Any two characteristics with explanations
Able to explain the process of gases exchange betweenY and blood capillarySample answer
P1 : During inhalation , the dissolved oxygen diffusesP2 : into the blood capillary
P3 : Oxygen combine with haemoglobin to form oxyhaemoglobinP4: transported to tissues for cellular respirationP5 : Carbon dioxide diffuses into the blood capillary
Any threeAble to state the condition of the heavy smokers lung.Sample answer
P1 : Dark sport in the tissues of lung are particles of carbon /tar /other suitable substances from cigarette smoke
P2 : that passed through respiratory passages / logged in the lungsP3 leads to black lung
P4 (become) cancerous cellAny two
1
1
2
2
2
2
11
1
1
1
1
1
1
1
2
4
3
2
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(e) Able to state one importance of the respiratory system to theorganismSample answer
P1 : to supply / transport oxygen to the tissues// to transport carbon dioxide from the tissue
1
TOTAL
1
12
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5(a)
(b)(i)
(b)(ii)
(c )
Able to explain the competition
Sample answer:F: intraspecific competitionE1: Animal which is stronger,E2: obtain more food (and) will survive at the
expense of others
Able to choose the species correctlyAnswer :
Species A
Able to explain the succesfull species due to the numberof adult beetlesSample answerP1. number of adult species is higher than species B.P2. after 300 days the number of species B decrease
but species A increase
Able to explain the effect of the parasiteSample answer:P1. species B more succesful/survive in the
competitionP2. parasite destroyed species A
Able to state the factors and explanationSample answerF1: compete for light intensity/E1: for photosynthesis / Produce energyE3: weeds faster growth/ over-power the cropF2: compete for water/moisture
E2: weeds deplete soil moisture much faster than the cropE3: hence under limited soil moisture, E4:the crop faces drought.
Any four
TOTAL
111
1
1
1
1
1
11
1
1
1
1
1
3
3
2
4
12
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SECTION B
6 a
( b)
Able to explain he process in the Diagram 6.1
Sample answer
P1 -The process shown is osmosis
P2 -At the initial stage, the concentration of sucrose is high /hypertonic in arm A compared to arm B.
P3- Thus, the osmosis pressure is higher in arm A compared
to arm BP4- water molecules from arm B move across the semi-permeables
membrane into arm AP5-until the concentration of both arms reach a dynamic
equilibriumP6- at the final stage, the concentration of sucrose is the same in
both arms / isotonic.P7- Thus , the osmotic pressure is the same in both arms/ The level
of water is higher in arm A compared to arm B
Any four points
Able to explain what happens to the spinach stem in
different sucrose solutionsSample answer
Spinach stem in 0.01 M sucrose solution
P1 M sucrose solution is a hypotonic solution
P2 The vacuole expands and swells up
P3 The vacuole and the cytoplasm press outwards
against the plasma membran which in turn pressesagainst the cell wall.
P4 The cell becomes turgid and firm as a result of the net flow of water
into the cell
P5 The strip becomes longer, thicker and turgid. It curves outwardswith the epidermal layer on the inside.
Any three
Spinach stem in 0.5 M sucrose solutionP1 0.5 M sucrose solution is an isotonic solution
P2 Water enters and leaves the cells at the same rate
P3 The length and the shape of the strip remain the same.
Any two
Spinach stem in 1.5 M sucrose solution
P1 1.5 M sucrose solution is a hypertonic solution
P2 Both the vacuole and the cytoplasm lose water to the surroundings
and shrink.
P3 The plasma membrane pulls away from the cells wall.
P4 The cells become flaccid.
P5 The strip become shorter.
P6 It curves inwards with the epidermal layer on the outside
Any three
111
1
1
1
1
1
11
1
1
1
3
1
1
1
2
1
1
1
11 3
4
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(c) Able to explain what had happened to the plantDiagram 6.3(a) Wilting in plants
P1 wilting is caused by the excessive use of fertilizers.
P2 fertilisers dissolve in the soil water.P3 This makes the soil water become more concentrated
(hypertonic) than the cell sap of the plant roots
P4 water diffuses out from the cell sap into the soil by osmosis,
causing the cells to be plasmolysed.
P5 the leads to wilting and the plants eventually die if water is not
supplied immediately.
Diagram 6.3(b) Turgidity in plant
P1 Plant cell is immersed in hypotonic solution
P2 Water molecules diffuse into the cell by osmosisP3 Vacuole gains water, expand and exerts pressure outwards on the
cell wallP4 Cause the plant cell to become turgid
11
1
1
1
1
1
1
1
1
TOTAL
8
20
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9
Organelle P Organelle Q
Process Photosynthesis Respiration
Purpose Stores energy Release energy
Rawmaterial
Water and carbondioxide
Glucose andoxygen
Products Glucose, water andoxygen
Energy, water andcarbon dioxide
Energy Required Not required.
7 a
b.
c.
Able to explain why it takes several minute for the
pulse rate to return to normal after vigorous exerciseSample answer
F After vigorous exercise,the pulse rate takes several
minutes to return to normal.
E1 During exercise, the intake of oxygen is not able to meet theoxygen demand of the body.
E2 Respiration has to take place an aerobically.
E3 As a result, lactic acid accumulates in the muscle.
E4 After exercise, the pulse rate takes several minutes to return to
normal because more oxygen is need to oxidize the lactic acid
and to provide the energy for the recovery of the muscle.
Able to explain the differences between the process that take placein organelle P and Q
Organelle P is chloroplast
Organelle Q is a mitochondrion
Able to explain the process of gaseous exchange between thealveoli anf blood capillaries, and between the tissue capillaries andbody cells.
F The partial pressure of oxygen in the air of the alveoli is higher
(when compared to the partial pressure of oxygen in the
blood capillaries)
E1 Oxygen dissolve in the film of water on the surface of alveoli and
E2 then diffuses into the blood capillaries.
1
1
1
1
1
1
1
11
11
1
1
1
1
4
6
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E3 The blood that leaves the lungs via the pulmonary vein has a
high partial pressure of oxygen
E4 and low partial pressure of carbon dioxide.E5 The blood that reaches the tissue capillaries has a higher partial
pressure of oxygen than that of the body cellsE 6 because cellular respiration depletes the oxygen content in the
cells.E7 Hence, oxyhaemoglobin breaks down and release the oxygenE8 which diffuses through the capillary walls into the body cells.E9 This oxygen is used for cellular respiration.E10 Cellular respiration produces carbon dioxide,E1 1 cause the partial pressure of carbon dioxide in the body cells
higher thanE 1 the partial pressure of carbon dioxide in the tissue capillaries.
E13 Carbon dioxide diffuses out of the body cells into the
tissue capillaries
E14 then transported back to the lungs.
E15 Blood arriving at the lungs via the pulmonary artery has a lowerpartial pressure of oxygen
E16 and a higher partial pressure of carbon dioxide compared to theblood leaving the alveoli.
E 1 7 As a result, both gases diffuse down their partial pressuregradients.
1
11
1
1
1
11
11
1
1
1
1
TOTAL
10
20
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11
8 (a)
(b)
Able to explain the assimilation of digested food of
glucose , amino acids and lipids
Sample answerIn the liverGlucose
P1 Excess of glucose in the blood is converted to glycogenand stored
P2 When glucose level in blood is low glycogen is converted to
glucose
P3 Excess of glycogen is converted to lipids
Amino acid
P4 Synthesis of plasma protein from amino acids
P5 Excess amino acids are deaminated into urea
In the body cell
Glucose
P6 glucose is oxidized to release energy (in cellular respiration)
Amino acid
P7 Amino acids is used to synthesise new protoplasm/
repair of damaged tissues
P8 Amino acids is used to synthesise
enzymes/antibodies/hormones
Lipids
P9 Excess lipids is stored in adipose tissues
P10 Phospholipids and cholesterol make up the plasma membrane
Any 10
Able to calculate the energy value taken dailyAnswer
Total energy value is5250+1500+2400+2400+750+2500+400+600=15800KJ Theenergy value is exceeded the girl needs
Able to explain the consequences of the eating habit when taking the
menu daily for a long time
Sample answer
P1 The menu is not a balanced diet /does not contain the 7 classes
of food in appropriate ratio
P2 Menu is highly rich in carbohydrates and fats// no vegetables
and lack of vitamins
P3 Higher energy intake compare to energy requirement
for a girl aged 15
1
1
1
11
1
1
1
1
1
1
1
1
1
1
10
2
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Consequences
F1 Constipation /description
E1 lack of fiber , faeces moving to slowly through the colon
F2 ScurvyE2 lack of vitamin C //any other vitamins deficiency with
explanation
F3 Obesity
E3 increase in body weight drastically
F4 Diabetes mellitus/glucosuria
E5 excess of glucose contain in blood
F6 Arteriosclerosis
E6 fats deposited in the lumen of blood vessel
F7 Heart attack/angine
E7 blockage in the coronary artery //
Any other cardiovascular diseases with explanationAny eight
11
1
1
1
1
1
1
1
1
1
1
TOTAL
8
20
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9 a.
b.
Able to discuss the statement
Sample answer
F1-Incomplete combustion of fossil fuel
P1-Carbon monoxideP2-combid with haemoglobin and affects the transport of oxygen tobody cellsP3-causes fatigue and headache
F2-FactoriesP4-Sulphur dioxide/oxides of nitrogenP5-Irratates the eyesP6-damage the respirary passaesP7-causes bronchitis/asthamicP8- combines with rainwater to form acid rainP9-corrodes iron and building
F3 Open Burning/combustionP10 Carbon dioxideP11 leads to green house effect and global warming
Any tenAble to discuss the effects of mismanaged development on theecosystem and three steps that can be used to overcome thisproblem.
Sample answer
P1-Excessive cutting down of trees increases the Earths
temperature.P2-More carbon dioxide in the air causes greenhouse effect/globalwarming.P3-Illegal logging / uncontrolled deforestationP4-may cause that land to be exposed to soil erosionP5-Excessive use of pesticides can cause water pollution. P6-excessive use of fertilizers cause EutrophicationP7-Aquatic plants and animals dieP8-More vehicles causes more carbon dioxide/ carbon monoxide/lead in the atmosphere.P9- Factories release Sulfur dioxideP10-causes acid rain.P11-Glass buildings cause thermal pollution.P12-Construction sites/entertainment outlets /factories cause noisepollution.P13- Clearing of land / burning of trees cause air pollution.
Any 7
To overcome this problem :
P1- recycle, reuse and reduce.P2-Paper aluminium cans and glass bottles can be recycled.P3-Glass or plastic containers can be reused to conserve naturalresources.P4-Reducing the use of paper, polystyrene and plastic bags save theenvironment.
Any 3
1
1
1
11
1
1
1
1
1
1
1
1
1
1
1
1
11
1
1
1
1
1
1
1
1
1
1
1
1
1
TOTAL
10
7
3
20
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SULIT[Type the document title] 4551/3
4551/3
biologi
Kertas 3
Oktober 2010
1 jam
PEPERIKSAAN SELARAS AKHIR TAHUN TINGKATAN 4
MATA PELAJARAN SAINS DAN MATEMATIK
SEKOLAH-SEKOLAH MENENGAH NEGERI MELAKA
2010
Kelolaan:
PEJABAT PELAJARAN DAERAH
MELAKA TENGAH*ALOR GAJAH*JASIN
BIOLOGI
KERTAS 3
Satu jam tiga puluh minit
JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU
1. Tuliskan nombor kad pengenalan dan nama
anda pada ruang yang disediakan.
2. Calon dikehendaki membaca maklumat di
halaman 1.
Kertas soalan ini mengandungi 11 halaman bercetak [lihat sebelah
4551/3 SULIT
Soalan Markah
Penuh
Markah
Diperoleh
1 33
2 Respons
17
Jumlah
No. K/P:
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INFORMATION FOR CANDIDATES
1. This question paper consists of two questions. Answer all questions.
2. Write your answers for Question 1 in the spaces provided in the question paper.
3. Write your answer for Question 2 on the lined pages at the end of the question
paper in detail. You may use equations, diagrams, tables, graphs and other
suitable methods to explain your answer.
4. Show your working, it may help you to get marks.
5. If you wish to cancel any answer, neatly cross out the answer
6. The diagrams in the question are not drawn to scale unless stated.
7. Marks allocated for each question or part question are shown in brackets.
8. The time suggested to complete Question 1 is 45 minutes and Question 2 is 45
minutes.
9. You may use a non-programmable scientific calculator.
10. Hand in this question paper at the end of the examination.
Marks awarded:
Score Description
3 Excellent : The best response
2 Satisfactory: An average response
1 Weak: An inaccurate response
0 No response or wrong response
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Answer all the question
The time suggested to complete each question is 45 minutes
Jawab semua soalan
Masa yang diperuntukkan untuk soalan ini ialah 45 minit
1. A group of students carried out the experiment to study the movement of
substances across the plasma membrane. Figure 1(a) shoes the procedures that
have been used to carry out that experiment. The results are shown in Figure
1(b)(i), Figure 1(b)(ii) and Figure 1(b)(iii).
Sekumpulan pelajar melaksanakan satu eksperimen untuk mengkaji pergerakan
bahan merentas membrane separa telap. Rajah 1(a) menunjukkan Kaedah yang
telah digunakan untuk menjalankan eksperimen. Keputusan eksperimen
ditunjukkan dalam Rajah 1(b)(i), Rajah 1(b)(ii) dan Rajah 1(b)(iii).
Figure 1(a)
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(a) Record the level of sucrose solution in the boxes provided in
Figure 1(a), 1(b)(i), 1(b)(ii) and 1(b)(iii)
Catatkan aras larutan sukrosa ke dalam kotak pada Rajah 1(a),
1(b)(i), 1(b)(ii) dan 1(b)(iiii)
[3 marks]
(b)(i) State two observations that can be made from the experiment.
Nyatakan dua pemerhatian yang dapat dibuat daripada
eksperimen ini
1. ..
..
2. .
[3 marks]
(ii) State two inferences from the observations in (b)(i)
Nyatakan inferens bagi setiap pemerhatian (b)(i)
1. ..
2. ...
.
[3 marks]
(c) Construct a table and record all the data collected in the experiment.
Binakan satu jadual dan rekodkan data-data yang didapati dalam
eksperimen.
[3 marks]
For Examiners
Use
Untuk
kegunaan
pemeriksa
1(a)
(b)(i)
1(b)(ii)
(c)
For
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SULIT 4551/3
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(d) Complete Table 1 based on the experiment that was carried out.
Lengkapkan Jadual 1 berdasarkan eksperimen yang dijalankan.
Variables
Pembolehubah
Particular to be implemented
Perkara-perkara yang dikendalikan
Manipulated
Variable
Pembolehubah
Dimanipulasikan
.
How to alter the manipulated variableBagaimana mengawal pembolehubah dimanipulasi
..
..
Responding
Variable
Pembolehubah
Bergerakbalas
.
.
How to determine the responding variableBagaimana menentukan pembolehubah
bergerakbalas
.
.
Controlled
Variable
Pembolehubah
dimalarkan
.
.
How to maintain the controlled variableBagaimana menetapkan pembolehubah dimalarkan
..
.
Table 1
Jadual 1
[3 marks]
Examiners
Use
Untuk
kegunaan
pemeriksa
(d)
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8
(c) State the hypothesis for this experiment
Nyatakan hipotesis bagi eksperimen ini
..
..
..
[3 marks]
(f) Describe the relationship between time and the increase of sucrose
solution level in the scaled glass tube
Huraikan hubungan antara masa dengan kenaikan larutan sukrosa
pada tiub kaca berskala.
[3 marks]
(g) Predict the expected observation, if this experiment is to be continued
for another 2 hours. Explain your answer.
Ramalkan pemerhatian yang dijangkakan jika eksperimen ini
diteruskan untuk 2 jam lagi. Terangkan jawapan anda.
..
[3 marks]
For
ExaminersUse
Untukkegunaan
pemeriksa
(e)
(f)
(g)
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(h) What can be deduced about the osmosis based on the results of this
experiment?
Berdasarkan keputusan eksperimen, apakah yang dapat anda
rumuskan tentang proses osmosis
..
..
[3 marks]
(i) Another student has carried out an experiment by using thesesolutions:
Seorang pelajar lain menjalankan kajian dengan mengunakan
larutan seperti berikut:-
Distilled water 15% sucrose solution
Air Suling Larutan sukrosa 15%
20% sucrose solution
Larutan sukrosa 20%
For
Examiners
Use
Untuk
kegunaanpemeriksa
(h)
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Classify the above cells A, B, C and D to the solutions that affects them after
being immersed.
Kelaskan sel-sel A, B, C dan D di atas yang menyebabkan sel berkeadaan
demikian.
[3 marks]
For
Examiners
Use
Untuk
kegunaanpemeriksa
(i)
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2. A group of students carried out an experiment to determine the effect of the
intensity of light on the rate of photosynthesis. The distance between the light
source andHydrilla sp is kept constant at 20cm.
Design a laboratory experiment that includes the required aspects to study the
relationship between the intensity of light and the rate of photosynthesis.
Sekumpulan pelajar menjalankan eksperimen untuk mengkaji kesan keamatan
cahaya ke atas kadar fotosintesis. Kedudukan di antara sumber cahaya dengan
tumbuhan Jydrilla sp ditetapkan pada 20cm.
Reka bentuk satu eksperimen di makmal yang mengandungi kesemua aspek yang
diperlukan untuk mengkaji hubungan antara keamatan cahaya dengan kadar
fotosintesis.
[17 marks]
END OF QUESTION PAPER
KERTAS SOALAN TAMAT
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4551/3 (PP)
SULIT
4551/3 (PP)
Biologi
Kertas 3
Peraturan
Pemarkahan
Oktober
2010
PEPERIKSAAN SELARAS AKHIR TAHUN
TINGKATAN 4 SAINS TULEN
SEKOLAH-SEKOLAH NEGERI MELAKA
2010
BIOLOGI
KERTAS 3
MARK SCHEME
Peraturan pemarkahan ini mengandungi 16 halaman bercetak.
[lihat sebelah
4551/2 (PP) SULIT
AMARAN
Peraturan pemarkahan ini SULIT. Kegunaannya khusus untuk pemeriksa
yang berkenaan sahaja. Sebarang maklumat dalam peraturan pemarkahan
ini tidak boleh dimaklumkan kepada sesiapa. Peraturan pemarkahan ini
tidak boleh dikeluarkan dalam apa jua bentuk penulisan dan percetakan.
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Question 1
ITEM SCORE EXPLANATION NOTES
(a)KM0603 Measuring using number
3
Able to record all four level of sucrose solution correctly.
Sample answer:
Time (min) The rise in the sucrose solution level
(ml)
0 0.0
10 4.5
20 9.5
30 9.9
2 Able to record any three level of sucrose solution correctly
1 Able to record any one of the observations correctly
0 No response or wrong response
(b)(i)KB0601 Observing
3
Able to state all observations from the table correctly and
accurately.
Sample answer:
1. The first 10 minutes, the sucrose solution level is 4.5ml2. At the 20
thminutes, the sucrose solution level is 9.5ml
3. At the 30th
minutes, the sucrose solution level is 9.9ml
2
Able to state any three observations from table 1 correctly
and accurately or statement of interpretation of data
Sample answer:
1. For the 2nd
reading, the sucrose solution level is 4.5ml
2. For the 3rd
reading, the sucrose solution level is 9.5ml
3. For the 4
th
reading, the sucrose solution level is 9.9ml
1
Able to give idea for the observation
Sample answer:
1. There is an increase in the sucrose solution level.
0 No response OR wrong response
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(b)(ii)
KB0604 Making inference
The inference is
based on the
respective
observation
3
Able to state the inference of each observation made
correctly and accurately based on the following criteria:
1. State the time taken for the observation
2. State the increasing of sucrose solution level causedby the osmosis process.
Sample answer:
1. At the tenth minute, water molecules move through the
Visking tubing due to osmosis process.
2. At the twentieth minute, water molecules moves
through the Visking due to osmosis process.
3. At the thirtieth minute, water molecules move though
the Visking tubing due to osmosis process
2
Able to state any one inference correctly based in the given
criteria,
OR
Able to state an idea of inference for both observations
made based on the given criteria.
Sample answer:
1. Water molecules move through the Visking tubing due
to osmosis process.
1
Able to state any one idea of an inference for any one
observation made
Sample answer:
1. Water molecules move in.
2. Osmosis process occurs.
0 No response OR wrong response
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(c)
3
Able to construct a table with the correct title, units and
date.
Time (minutes) The rise in the sucrose solution level
(ml)
0 0.0
10 4.5
20 9.5
30 9.9
2 Able to construct a table with the correct title, unit and
three correct date.
1 Able to construct a table with the correct title, unit and two
correct date.
0 No response or wrong response
(d)
KB0610 Controlling variables
Able to state the variables in this experiment correctly
Sample answer:
Variables Particulars to be implemented
Manipulated
Variables:Time
How to alter manipulated variables
The readings are taken at the differentintervals// The reading are taken at 10
minutes intervals
Responding
Variables :
The rise in the
sucrose
solution level
How to determine the manipulated
variables:
Measure the rise in the sucrose
solution level by using the scale on the
glass tube
Controlled
variables:
Sucroseconcentration//
Volume of
distilled
water
How to maintain the controlled
variables:
Using the same concentration ofsucrose solution// Using the same
volume of distilled water
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Notes:
Variables and particular implemented must be related to
each other.
One mark for each variables and correct particular
implemented.
(e)
KM0611 Making hypothesis
C1 & C2
Must be
Stated
Correctly
3
Able to make a statement of hypothesis by relating the
manipulated variable with the responding variable
correctly and accurately.
Criteria set:
C1: State the manipulated variable
C2: State the responding variable
C3: Show a specific relationship/showing direction ofrelationship
Sample answer
1. The longer the time taken, the higher the level of
sucrose solution (on the scaled glass tube)
2. The shorter the time taken, the higher the level of
sucrose solution in the scaled glass tube
3. If the time taken is shorter, the level of sucrose solution
in the scaled glass tube is less.
2 Able to make a statement of hypothesis based on the
following criteria:
Criteria set:
C1: State the manipulated variable
C2: State the responding variable
C3: Show the relationship but not specific/no direction
Sample answer
1. Time affects the increased of sucrose solution level in
the scaled glass tube.
2. The increase of sucrose solution level is related to the
time taken.
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1 Able to give an idea of a statement of hypothesis. Stating a
relationship with C1 or C2.
Sample answer:
1. The level of sucrose solution increase in the scaled
glass tube
0 No response OR wrong response
(f)
KM0608 Interpreting Data
3 Able to state the relationship between the time and the
increasing of the sucrose solution level in the scaled glass
tube correctly and accurately.
Sample answer:
The level of sucrose solution increases with time. This is
because water molecules from outside the Visking tubing
diffuse through the semi-permeable Visking tubing by
osmosis process.
2 Able to state the relationship between the time and the
increasing of sucrose solution level in the scaled glass tube
but less accurate.
Sample answer:
1. The level of the sucrose solution increase with time.
1 Able to state an idea of a relationship between the time and
the increasing of sucrose solution level in the scaled glass
tube.
Sample answer:
1. The level of the sucrose solution increases.
0 No response OR wrong response
(g)KM0605 Predicting
3 Able to predict the increasing of sucrose solution level in
the scaled glass tube and the explanation.
Criteria:
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C1: No increase//increase in the level of sucrose solution
in the scaled glass tube.
C2: Level of sucrose solution is 9.9ml// more than 9.9ml
C3: The net movement of water molecules in and out of
the membrane is the same// Water molecules
enter/diffuse through the semi-permeable Visking
tubing by osmosis process.
Sample answer
1. The level of sucrose solution in scaled glass tube
increases more than 9.9ml because water molecules
enter/diffuse through the semi-permeable Visking tubing
by osmosis process.
2. There is no increase in the level of sucrose solution in
the scaled glass tube because the dynamic equilibrium
has achieved. The level of sucrose solution in the scaled
glass tube is 9.9ml because the net movement of watermolecules in and out of the membrane is the same.
2 Able to predict the increasing in the level of sucrose
solution in the scaled glass tube and the explanation but
incomplete or based on theory.
Sample answer
1. The level of sucrose solution in scaled glass tube
increases more than 9.9ml2. The level of sucrose solution in scaled glass tube
increases due to osmosis process.
1 Able to give idea of a prediction on the observation
Sample answer:
1. The level of sucrose solution in the glass scaled tube
increases.
2. Water molecules enter the Visking tubing through
osmosis process.
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0 No response OR wrong response
(h)KB0609 Defining by Operation
3 Able to state correctly and accurately the definition of
osmosis based on the results of the experiment using the
following criteria:
C1: Process of water molecules entering the Visking
tubing
C2: Time taken for the increasing in the level of sucrose
solution in the scaled glass tube
C3: The increasing in the level of sucrose solution in thescaled glass tube
Sample answer:
1. Osmosis is a process where water molecules move from
the distilled water to the 30% sucrose solution through
the Visking tubing (until equilibrium is achieved)
2. Osmosis is a process where water molecules enter the
Visking tubing at the tenth minute and the level of
sucrose solution in the scaled glass tube is raised at 4.5ml.
3. Osmosis is a process where water molecules enter the
Visking tubing at the twentieth minutes and the level of
the sucrose solution in the scaled glass tube is raised at
9.5ml.
4. Osmosis is a process where water molecules enter the
Visking tubing at the thirtieth minute and the level of the
sucrose solution in the scaled glass tube is raised at4.5ml.
2 Able to state accurately the definition of osmosis based on
two correct criteria or able to state the definition of
osmosis based on theory.
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Sample answer:
1. Osmosis is a process where water molecules move from
the distilled water to the (30%) sucrose solution.
1 Able to state less accurately the definition of osmosis or
able to give an idea of a definition.
Sample answer:
1. Osmosis is process where water molecules move from a
lower concentration of solute to a higher concentration
of solute through the Visking tubing.
2. Osmosis is a process where water molecules move from
a higher concentration of water molecules to a lower
concentration of water molecules through the Visking
tubing
0 No response OR wrong response
(i)KB-0602 Classifying
3 Able to classify the solution and the picture base on the
correct function.
Material Picture
Distilled water C
15% sucrose solution A20% sucrose solution B and D
2 Able to c
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