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Photosynthesis
Test Description: Recall the concepts of Photosynthesis and Respiration
Instructions: Answer all questions to get your test result.
1) The process by which green plants make food is called __________?
A
Digestion
B
Respiration
C
Breathing
D
Photosynthesis
2) State the form of energy that is needed for photosynthesis.
A
Light Energy
B
Heat Energy
C
Sound Energy
D
Electrical Energy
3) The food produced comes in the form of __________?
A
Starch
B
Chlorophyll
C
Sugar (glucose)
D
Iodine
4) Plants usually produce more food than they need. How do plants store this excess food?
A
They store the food in the form of iodine.
B
They store the food in the form of chlorophyll.
C
They store the food in the form of sugar.
D
They store the food in the form of starch.
5) What is the substance that plants have in order to 'trap' the sunlight? Where is this substance found in plants?
A
Iodine, Stems
B
Starch, Leaves
C
Sugar in the form of glucose, Leaves
D
Chlorophyll, Chloroplasts
6) What are the products of respiration?
A
Energy, Carbon dioxide and Water
B
Sugar (Glucose), Oxygen and Water
C
Energy, Oxygen and Water
D
Sugar (Glucose), Carbon dioxide and Water
7) What gas do most living things need to carry out respiration?
A
Oxygen
B
Carbon dioxide
C
Nitrogen
D
Carbon monoxide
8) Why do animals and plants need to carry out respiration?
A
None of the above is correct.
B
To release the energy from the food to carry out life processes.
C
Animals and plants need to carry out respiration because they are living things.
D
To breathe in oxygen and give out carbon dioxide so that they can stay alive.
9) What would happen to the amount of oxygen and the amount of carbon dioxide in the air if photosynthesis did not take place?
A
The amount of carbon dioxide in the air would increase and the amount of oxygen in the air would increase.
B
The amount of carbon dioxide in the air would increase and the amount of oxygen in the air would decrease.
C
The amount of carbon dioxide in the air would decrease and the amount of oxygen in the air would increase.
D
The amount of carbon dioxide in the air would decrease and the amount of oxygen in the air would decrease.
10) Mrs Yeo prefers to go for morning walks in the park but Mr Yeo prefers to go for his walks at night. Their son, John, prefers to go for his walks in the afternoon. Who will get to breathe in air with more oxygen?
A
John Yeo
B
None of the above as the amount of oxygen in the air is the same regardless of the time.
C
Mrs Yeo
D
Mr Yeo
*select an answer for all questions
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