Question

Consider a plant growing in well-watered soil and high light in a small glass chamber. How will the plant respond if you exhale repeatedly into the chamber?

		stomata will close and so photosynthesis declines
		stomata do not respond, but photosynthesis increases
		stomata will close even as photosynthesis increases
		stomata will open in response to O2 buildup

Answer 1

• Consider a plant growing in well-watered soil and high light in a small glass chamber. How will the plant respond if you exhale repeatedly into the chamber?

Answer- C.stomata will close even as photosynthesis increases

Stomata will open in response to O2 buildup, it's not correct. Stomata will open if carbon dioxide is needed for photosynthesis. Stomata open and collect carbon dioxide and stomata can be closed if water loss is too much.

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