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PMR
Science Form 2 Chapter 1:
The World Through Our Senses
1
3.The following statements show responses of a plant
towards stimuli.
2.Old people generally cannot hear as well as young people,
this is because
A. The pinna cannot collect sound efficiently
B. The ear drums become less elastic
C. The cochlea cannot convert vibration into impulse
D. The ear canal produces too much earwax
1.Why is the inner walls of recording studio are
padded with soft board?
4.Diagram shows a plant that was left for two weeks
during an experiment.
Which part of the plant is described?
A. Roots
B. Shoots
C. Tendrils
D. Fruits
1.8 Production of Sound
I Sound is reflected
II Sound is absorbed
III Echoes can be reduced
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Diagram
State the stimuli that cause this type of response in the
root and the shoot of the plant.
1.9 Stimuli and Responses in Plants
Shows positive phototropism Shows negative geotropism
Root Shoot
A. Touch Water
B. Gravity Water
C. Touch Gravity
D. Gravity Light
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PMR
Science Form 2 Chapter 1:
The World Through Our Senses
5.
6.
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8.
2
Diagram shows growth of a plant.
Diagram shows the results of an activity.
Which part of plant shows positive geotropism?
A. Root
B. Stem
C. Shoot
D. fruit
What type of the tropism is shown by the plant?
A. Nastic movement
B. Thigmotropism
C. Phototropism
D. Geotropism
Diagram
Shoot Roots
A. Positive phototropism Positive hydrotropism
B. Positive hydrotropism Positive phototropism
C. Positive phototropism Positive geotropism
D. Positive geotropism Positive hydrotropism
Diagram shows a plant that responses towards certain
stimuli.
Identify the type of response involved.
Diagram
What inference can be made from the observation?
A. Roots curve upward because calcium hydroxide is
dry
B. Roots curve upward because sawdust contains water
C. Roots curve upward because there is no water in the
beaker
D. Roots curve upward because sawdust has a suitable
temperature
Diagram
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PMR
Science Form 2 Chapter 1:
The World Through Our Senses
3
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PMR
Science Form 2 Chapter 1:
The World Through Our Senses
4