Page 15 - Syok Praktis PBD (2023) Science TH4

Science Year 4 Practice 4 Plants

7. Which of the following stages shows the 11. Diagram 3 shows a situation.
start of a photosynthesis process?
HOTS Analysing Light energy
A C Y

X
B D

Water

8. Danish observes a flower plant that he Diagram 4
has planted in his garden. He notices the Which of the following represents X and
leaves of the plant turning yellow and one Y ?
of the leaves falling to the ground. What
should he do? HOTS Applying X Y
A Water the flower plant
B Cut off the shoot of the flower plant A Helium Nitrogen
C Remove the yellow leaves
D Place the flower plant inside his house B Nitrogen Helium
9. What should be absorbed by the C Carbon dioxide Oxygen
chlorophyll during photosynthesis?
A Water D Oxygen Carbon dioxide
B Sunlight
C Mineral salts 12. Why is it that plants need not move to
D Carbon dioxide
other places to get food?
10. The following shows what is needed A The resources needed by plants are
for photosynthesis and the products of found around them.
photosynthesis. B The resources that are gathered
cannot be absorbed directly from their
Sunlight place.
Carbon dioxide X
+ Chlorophyll + C Limited resources is the reason for

Water Oxygen plants not moving around.
D Plants can survive in all condition of

Which part of the plant is X kept temporarily environment.
before it is sent to the other parts of the
plant?
A Leave C Root
B Fruit D Stem

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