Rose examined a leaf under microscope and found the below picture.
a. Name the structure X and write its functions.
b. Rose did a study on behavior of structure X during day and night. She observed that the tiny openings became larger during day and smaller during night. What could be the reason.
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Answer:
a. guard cell contains chloroplast in stomata
Explanation:
b. This open during the day to absorb CO2 to use for photosynthesis, then close at night to retain more moisture.
High CO 2 inside leaf = stomata close. This causes the stomatal pore to close.Also close their stomata to limit the amount of water that evaporates from their leaves.
Answered by
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Answer:
A) X is Guard cell
B) Guard cells open during day to trap solar energy and make food and close at night because there is no sunlight at night.
Also to maintain continuous supply of water in plant from roots
Hope it helps
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