Question

Sometimes the plant act as a closed system in terms of gas exchange. How?

Answer 1

Answer:

Plants obtain the gases they need through their leaves. They require oxygen for respiration and carbon dioxide for photosynthesis. The gases diffuse into the intercellular spaces of the leaf through pores, which are normally on the underside of the leaf - stomata.

Answer 2

when the amount of light is low that is during the task and the don the plant acts as a closed system in terms of gaseous exchange.

Explanation:

• This means that the oxygen which is liberated by the process of photosynthesis can be used by the plant for respiration.

• As a result of this the rate of photosynthesis and the rate of respiration and equal to each other and hence there is no gaseous exchange by the plant. This can be thought of a closed system in terms of gaseous exchange

to know more about photosynthesis,

What is the significance of photosynthesis mention at least two points?

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