PMR

Science Form 2 Chapter 1:

The World Through Our Senses

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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

PMR

Science Form 2 Chapter 1:

The World Through Our Senses

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6.

7.

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

PMR

Science Form 2 Chapter 1:

The World Through Our Senses

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PMR

Science Form 2 Chapter 1:

The World Through Our Senses

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