4 Which of the following statement(s) is (are) true about stomata? 1. These are the tiny pores present on the surface of the leaves. II. Through these, massive amounts of gaseous exchange take place. III. Plants open these pores when carbon dioxide is not required for photosynthesis. IV. Guard cells operate the opening and closing of these pores.
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Answer:
Stomata are the pores present on the surface of the leaves through which the exchange of gases takes place. Stomata also help in transpiration, in which the loss of water from the surface of leaves in the form of water vapour.
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Answer:
1st and 2nd statements are corrects
Explanation:
Science says
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