Question

Carbon Dioxide is essential for photosynthesis. Plants take Carbon dioxide from the atmosphere. The carbon dioxide enters the photosynthetic site through stomata. By which process does carbon dioxide enters the leaf?

a) Transpiration

b) Diffusion

c) Translocation

d) Osmosis

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Answer 1

Answer:

For photosynthesis green plants take carbon dioxide from the air. The carbon dioxide enters the leaves of the plant through the stomata present on their surface. Each stomatal pore is surrounded by a pair of guard cells. The opening and closing of the pores of stomata is controlled by the guard cells only.

Answer 2

Answer:

The answer is -----

(b) diffusion