ppsc btany
TRANSCRIPT
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Botany Mcqs For PCS & CSS Exams
(i) The Green Algae belongs to:
(a) Cyanochloranta
(b) Chlorophycophyta
(c) Charophyta
(d) Cryptophycophyta
(e) None of these
(ii) If the gametes and gametangia in Fungi are of unequal sie! they are termed
as:
(a) "eterothallic
(b) "omothallic
(c) Isogametes
(d) Anisogametes
(e) None of these
(iii) Chlorophyll #d$ e%ists in:
(a) &yrrophyta
(b) &haeophyta
(c) Cryptophyta
(d) 'hodophyta
(e) None of these
(i) hich of the type of chlorophyll is rare in *anthophyceae and has been
determined in only t+o of its genera:
(a) chlorophyll #a$(b) chlorophyll #e$
(c) chlorophyll #b$
(d) chlorophyll #d$
(e) None of these
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() The A%oneme in an algal filament is composed of ,,,,,,,,,,,, fibrils:
(a) fie
(b) seen
(c) eleen
(d) one
(e) None of these
(i) An antibiotic called -Chlorellin. is deried from:
(a) Chara
(b) /pirogyra
(c) 0olo%
(d) Chlorella(e) None of these
(ii) In &a1istan! 0olo% is found abundantly in +ater ponds during the months of:
(a) 2arch and April
(b) 2ay and 3une
(c) Noember and 4ecember
(d) 3anuary and February
(e) None of these
(iii) 5ecause of e%tracting ,,,,,, from +ater and depositing it in their +alls
different species of Chara are referred to as -/tone orts:
(a) /odium chloride
(b) Calcium carbonate
(c) &otassium sulphate
(d) &otassium nitrate
(e) None of these
(i%) &uccinia graminis causes ,,,,,,, in +heat:
(a) 6ello+ or stripe rust
(b) 5ro+n or orange leaf rust
(c) Black or stem rust
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(d) 7oose green smut
(e) None of these
(%) The ero and one stages of &uccinia graminis are produced on:
(a) Triticum aestium
(b) "ordeum 0ulgare
(c) /orghum 0ulgare
(d) 5arberis 0ulgaris
(e) None of these
(%i) A stable self8supporting association of a ,,,,,,, is termed as lichen:
(a) bryophyte 9 a pteridophyte
(b) mycobiont & a phycobiont
(c) plant 9 animal
(d) gymnosperm 9 angiosperm
(e) None of these
(%ii) quisetum is the only liing genus that belongs to:
(a) /phenopsida
(b) Caphalida(c) Chlorophycophyta
(d) Pteropsida
(e) None of these
(%iii) The genus quisetum comprises about ;< species distributed +orld8oer
e%cept in:
(a) urasia
(b) North America(c) /outh America
(d) Australasia
(e) None of these
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(%i) The members of class Filicinae in pteridophyta date bac1 to ,,,,,,, era:
(a) 2esooic
(b) &aleooic
(c) Cenooic
(d) Cambrian
(e) None of these
(%) 2arsilea quadrifolia belongs to the group of plants 1no+n as:
(a) 7ichens
(b) /edges
(c) Ferns
(d) /hrubs(e) None of these
(%i) ,,,,,,,, sho+ mar1ed affinities +ith both &teridophytes and angiosperms:
(a) 5ryophytes
(b) "ydrophytes
(c) Gymnosperms
(d) piphytes
(e) None of these
(%ii) ,,,,,,, has fie leaes in the spur:
(a) &inus longifolia
(b) &inus e%celsa
(c) &inus ro%berghii
(d) &inus +allichiana
(e) None of these
(%iii) The resting period bet+een pollination and fertiliation in Ta%as baccata
may be:
(a) Fie to ten months
(b) T+o to three months
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(c) =ne to t+o months
(d) Ten to eleen months
(%i%) In phedra! the oosphore undergoes repeated diisions to produce eight8
celled:
(a) >ygote
(b) >ygosphore
(c) ndosperm
(d) &ro8embryo
(e) None of these
(%%) 4ouble fertiliation is a characteristic of:
(a) Gymnosperms
(b) 5ryophytes
(c) Angiosperms
(d) &teridophytes
(e) None of these
(i) NA4" from the ?rebs cycle is appro%imately equal to:
(a) ; AT&(b) @ AT&
(c) AT&
(d) B AT&
(e) None of these
(ii) In mitochondrial electron transport chains! the final c acceptor is:
(a) ";=
(b) ";=;(c) NA4
(d) FA4
(e) None of these
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(iii) The moement of +ater from cell to cell ia plasmadesmata is called:
(a) /ymplastic
(b) Transmembrane
(c) Apoplastic
(d) Facilitated
(e) None of these
(i) In maie plant! the C=; fi%ation mechanism is called:
(a) C@ path+ay
(b) C path+ay
(c) CA2 path+ay
(d) C@ D C intermediate(e) None of these
() /alt8loing plants are 1no+n as:
(a) Glycophytes
(b) "alophytes
(c) *erophytes
(d) 2esophytes
(e) None of these
(i) ith the addition of solution to a liquid system! the +ater potential of the
system:
(a) Increases
(b) 4ecreases
(c) 'emains stable
(d) 'emains ariable
(e) None of these
(ii) The conersion of pyruate into acetyl CE A is called:
(a) Glycolysis
(b) Fermentation
(c) =%idatie carbo%ylation
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(d) 58=%idation
(e) None of these
(iii) 5et+een adenine and thymine! there are:
(a) T+o hydrogen bonds
(b) @ hydrogen bonds
(c) =ne hydrogen bond
(d) hydrogen bonds
(e) None of these
(i%) The stage of meiosis in +hich pairing of homologous chromosomes starts is
called:
(a) 7eptotene
(b) >ygotene
(c) 4iplotene
(d) &achytene
(e) None of these
(%) The site of chromosome on +hich a gene is located is called:
(a) Allele(b) 7ocus
(c) /ite
(d) Trait
(e) None of these
(%i) In a dihybrid cross! the ratio of F; generation is:
(a) :@:@:H
(b) @:H(c) H:;:H
(d) H:H
(e) None of these
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(%ii) hen a single gene has multiple effects! the phenomenon is called:
(a) Codominance
(b) pistasis
(c) &leiotropy
(d) Genostasis
(e) None of these
(%iii) 7amarc1$s theory of eolution +as published in:
(a) HEJ
(b) HE
(c) HE
(d) HHE(e) None of these
(%i) The boo1 -=rigin of /pecies. +as +ritten by:
(a) 7innaeus
(b) 7amarc1
(c) 2endel
(d) 4ar+in
(e) None of these
(%) The interaction bet+een algae and fungi to form lichen is called:
(a) &arasitism
(b) 2utalism
(c) Commensalism
(d) Amensalism
(e) None of these
(%i) The actual location or place +here an organism lies is called:
(a) "abitat
(b) cosystem
(c) Niche
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(d) 5iome
(e) None of these
(%ii) hich of the biomes has been increased in area by human actiitiesK
(a) /aanna
(b) Grassland
(c) 4esert
(d) Coniferous forest
(e) None of these
(%iii) hich one of the la1e ecosystem consists of phyto8and oo8plan1tonsK
(a) 7ittoral one
(b) 7imnetic one
(c) &rofundal one
(d) ater deep layers
(e) None of these
(%i%) hich of the follo+ing is a biotic component of an ecosystemK
(a) &roducers
(b) Consumers(c) 4ecomposers
(d) All of these
(e) None of these
(%%) A sequence of changes in the community structure of an ecosystem oer a
period of time is called:
(a) Natural selection
(b) /uccession(c) Neo84ar+inism
(d) 7amarc1ism
(e) None of these
ans
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H@AT&
;h;o
@symplast
cpath+ay
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(b) ";=;
(c) NA4
(d) FA4
(e) None of these
(iii) The moement of +ater from cell to cell ia plasmadesmata is called:
(a) /ymplastic
(b) Transmembrane
(c) Apoplastic
(d) Facilitated
(e) None of these
(i) In maie plant! the C=; fi%ation mechanism is called:
(a) C@ path+ay
(b) C path+ay
(c) CA2 path+ay
(d) C@ D C intermediate
(e) None of these
() /alt8loing plants are 1no+n as:
(a) Glycophytes
(b) "alophytes
(c) *erophytes
(d) 2esophytes
(e) None of these
(i) ith the addition of solution to a liquid system! the +ater potential of the
system:
(a) Increases
(b) 4ecreases
(c) 'emains stable
(d) 'emains ariable
(e) None of these
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(ii) The conersion of pyruate into acetyl CE A is called:
(a) Glycolysis
(b) Fermentation
(c) =%idatie carbo%ylation
(d) 58=%idation
(e) None of these
(iii) 5et+een adenine and thymine! there are:
(a) T+o hydrogen bonds
(b) @ hydrogen bonds
(c) =ne hydrogen bond
(d) hydrogen bonds
(e) None of these
(i%) The stage of meiosis in +hich pairing of homologous chromosomes starts is
called:
(a) 7eptotene
(b) >ygotene
(c) 4iplotene
(d) &achytene
(e) None of these
(%) The site of chromosome on +hich a gene is located is called:
(a) Allele
(b) 7ocus
(c) /ite
(d) Trait
(e) None of these
(%i) In a dihybrid cross! the ratio of F; generation is:
(a) :@:@:H
(b) @:H
(c) H:;:H
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(d) H:H
(e) None of these
(%ii) hen a single gene has multiple effects! the phenomenon is called:
(a) Codominance
(b) pistasis
(c) &leiotropy
(d) Genostasis
(e) None of these
(%iii) 7amarc1$s theory of eolution +as published in:
(a) HEJ
(b) HE
(c) HE
(d) HHE
(e) None of these
(%i) The boo1 -=rigin of /pecies. +as +ritten by:
(a) 7innaeus
(b) 7amarc1
(c) 2endel
(d) 4ar+in
(e) None of these
(%) The interaction bet+een algae and fungi to form lichen is called:
(a) &arasitism
(b) 2utalism
(c) Commensalism
(d) Amensalism
(e) None of these
(%i) The actual location or place +here an organism lies is called:
(a) "abitat
(b) cosystem
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(c) Niche
(d) 5iome
(e) None of these
(%ii) hich of the biomes has been increased in area by human actiitiesK
(a) /aanna
(b) Grassland
(c) 4esert
(d) Coniferous forest
(e) None of these
(%iii) hich one of the la1e ecosystem consists of phyto8and oo8plan1tonsK
(a) 7ittoral one
(b) 7imnetic one
(c) &rofundal one
(d) ater deep layers
(e) None of these
(%i%) hich of the follo+ing is a biotic component of an ecosystemK
(a) &roducers
(b) Consumers
(c) 4ecomposers
(d) All of these
(e) None of these
(%%) A sequence of changes in the community structure of an ecosystem oer a
period of time is called:
(a) Natural selection
(b) /uccession
(c) Neo84ar+inism
(d) 7amarc1ism
(e) None of thes
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/&/C!&&/C 7ecturer 5otany 2CLs &ast &apers
(H) The spores in bryophytic plant represent the first cell of the:(a) Gametophytic generation
(b) /porophytic generation
(c) Ase%ual generation
(d) All of these
(e) None of these
(;) Algal members of classes uglenophyceae and chlorophyceae are similar in
the:
(a) Cell +all structure
(b) 'esere food(c) &igment composition
(d) /tructure of flagella
(e) None of these
(@) Crystocarp is a structure deeloped after fertiliation in:
(a) 5lue green algae
(b) Actinomycetes
(c) 5ryophetes
(d) 'ed algae
(e) None of these() 'ice belongs to family:
(a) 2alaceae
(b) Fabiaceae
(c) /olonaceae
(d) &oaceae
(e) None of these
(
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(c) *ylem
(d) &hloem
(e) None of these
(J) hich one of these is a parasite:
(a) /unflo+er (b) 5egonia
(c) 5iden
(d) 5rasica
(e) None of these
() /porophytic generation is borne upon gametophyte and is dependent on it
This feature is present in:
(a) Cycas
(b) Adiantam
(c) quisetum(d) All of these
(e) None of these
() 4ouble fertiliation is a typical characteristic of:
(a) Algae
(b) Fungi
(c) 5ryophytes
(d) Angiosperm
(e) All of these
(HE) 2archantia reproduces egetatiely by:(a) Apospory
(b) Gemma Cup
(c) 5udding
(d) All of these
(e) None of these
(HH) &lant cell +all is composed of:
(a) Cellulose
(b) &olypeptides
(c) &hospholipids(d) /tarch
(e) None of these
(H;) /tele in +hich primary ascular tissues are arranged in discrete strands
around a pit is called:
(a) &rostele
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(b) 'adial stele
(c) Centric stele
(d) ustele
(e) None of these
(H@) In +hich the follo+ing edible part is obtained from the 'hiome:(a) &otato
(b) Ginger
(c) /ugar beet
(d) =nion
(e) None of these
(H) Fertiliation +ithin an unopened flo+er is called:
(a) Cleistogramy
(b) Cleistocary
(c) Isogamy(d) =ogamy
(e) None of these
(Hygote formation
(c) Cambium formation
(d) All of these
(e) None of these
(HB) dible fungus is:(a) &enicillium
(b) Agaricus
(c) Aspergillus
(d) &hythium
(e) None of these
(HJ) /peciation is:
(a) =rigin of species
(b) olution of species
(c) Identification of species(d) &reseration of species
(e) None of these
(H) Collectie name gien to sporangia in fern is:
(a) /orus
(b) /porangium
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(c) /pathe
(d) /porangiophore
(e) None of these
(H) /mall! spherical protein bodies surrounded by starch deposits in
chloroplasts of many algae are:(a) 7ecoplasts
(b) 'ibosomes
(c) 2icrosomes
(d) ¥idium
(e) None of these
(;E) "eterocysts are present in:
(a) 0olo%
(b) Clostridium
(c) Cycas(d) 8Coli
(e) None of these
(;H) nyme Fumarase conert fumaric acid into:
(a) Citric acid
(b) Isocitric acid
(c) lactic acid
(d) Glutamic acid
(e) None of these
(;;) &lants gro+ing under saline conditions are:(a) "olophytes
(b) 2esophytes
(c) "ygrophytes
(d) "alophytes
(e) None of these
(;@) The first product of C=; fi%ation in C@ plants is:
(a) &hosphoglyceric acid
(b) Glycolic acid
(c) Citric acid(d) Glutamic acid
(e) None of these
(;) 2utations are most li1ely to be caused by:
(a) HAA
(b) C=;
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(c) 4e%trose
(d) Glycine
(e) None of these
(;
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(c) &hysiognomy
(d) &attern
(e) None of these
(@H) A plasmid is a:
(a) 4NA(b) 'AN
(c) &rotein
(d) 2icrosome
(e) None of these
(@;) The total Genetic material +ithin a cell is:
(a) Gene ban1
(b) Genetic load
(c) Genome
(d) Genetic 2ar1er (e) None of these
(@@) 'ibsomal 'NA helps in:
(a) 'eplication
(b) Transcription
(c) Translation
(d) Translocation
(e) None of these
(@) hich one of the follo+ing ions plays most important role in stomatal
moementK(a) ?
(b) Ca (c) ClD
(d) Na
(e) None of these
(@
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(c) ;
(d) @B
(e) None of these
(@J) =pen sea constituting about EO of total ocean surface is called:
(a) &elgaic one(b) 7ittoral one
(c) Intertida one
(d) Neritic one
(e) None of these
(@) hich one of the follo+ing 'NAs is non8genetic and brings amino acids to
the site of protein synthesisK
(a) m 'NA
(b) t 'NA
(c) hn 'NA(d) pre8r 'NA
(e) None of these
(@) Transfer of material ! from higher concentration to lo+er concentration
across semipermeable membrane is called:
(a) 2ass flo+
(b) =smosis
(c) Ascent of /ap
(d) 4iffusion
(e) None of these(E) =ptimum phosphorus upta1e by roots ta1es place at:
(a) Neutral p"
(b) Acidic p"
(c) Al1aline p"
(d) All of these
(e) None of these
(H) The Green Algae belongs to:
(a) Cyanochloranta
(b) Chlorophycophyta(c) Charophyta
(d) Cryptophycophyta
(e) None of these
(;) If the gametes and gametangia in Fungi are of unequal sie! they are termed
as:
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(a) "eterothallic
(b) "omothallic
(c) Isogametes
(d) Anisogametes
(e) None of these(@) Chlorophyll #d$ e%ists in:
(a) &yrrophyta
(b) &haeophyta
(c) Cryptophyta
(d) 'hodophyta
(e) None of these
() hich of the type of chlorophyll is rare in *anthophyceae and has been
determined in only t+o of its genera:
(a) chlorophyll #a$(b) chlorophyll #e$
(c) chlorophyll #b$
(d) chlorophyll #d$
(e) None of these
(
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ecause of e%tracting ,,,,,, from +ater and depositing it in their +alls different
species of Chara are referred to as -/tone orts:
(a) /odium chloride
(b) Calcium carbonate
(c) &otassium sulphate(d) &otassium nitrate
(e) None of these
() &uccinia graminis causes ,,,,,,, in +heat:
(a) 6ello+ or stripe rust
(b) 5ro+n or orange leaf rust
(c) 5lac1 or stem rust
(d) 7oose green smut
(e) None of these
(