Question

Which of the following substance do plants need to carry out photosynthesis??

1 )Carbon dioxide
Il) Oxygen
III) Mineral salts
IV) Water


A) I and II only
B) I and IV only
C) I, III and IV only
D)I, II, III and IV





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Answer 1

Answer:

I and ll only

Explanation:

Plants make food using photosynthesis. This needs light, carbon dioxide and water. It produces glucose, and oxygen as a by-product. Leaves are adapted to carry out photosynthesis.

Answer 2

Answer:

B) carbon dioxide and water

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