Page 14 - Syok Praktis PBD (2023) Science TH4

Science Year 4 Practice 4 Plants

Sumative Practice 4

Objective Questions Which of the following happens to the
seedlings after four days?
A The seedlings move upwards.
4.1 Plant Responses to Stimuli
B The roots move to the right.
1. Diagram 1 shows a situation. HOTS Analysing C The seedlings move to the left.
D The roots move downwards.

4.2 Photosynthesis

5. Diagram 3 shows an investigation. Both
plants are placed under the sunlight.
Diagram 1 Plant A is unable to carry out the

Why does this situation happen? photosynthesis process compared with
A Plant responds to water. plant B.
B Plant responds to gravitational pull.
C Plant responds to touch.
D Plant responds to light.

2. Why does the root of the plant responds A B
to water and gravitational pull? Potassium
hydroxide
A Enables the plant to survive
B Enables the plant to get light and air Diagram 3
C Enables the plant to be firm on the soil Which of the following is needed by
D Enables the plant to be stationary plant A to carry out the photosynthesis
process?
3. What part of the plant responds to gravity? A Sunlight
A Shoot B Carbon dioxide
B Seeds C Water
C Stem D Chlorophyll
D Root
6. Plants make their own food. What is this
4. Diagram 2 shows a research to investigate process known as?
plant responses to stimuli.
A Growth process
B Pollination process
C Photosynthesis process
D Germination process
Root Pin Seed

Diagram 2

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