A. How do desert plants perform photosynthesis, though their stomata remain closed during daytime?
B. Write any four methods used by plants to get rid of excretory products.
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A)Such plants undergo CAM photosynthesis as they open up thyeir stomata during night and take in CO2.Stomata remains close during the day time to prevent the loss of water by transpiration. They store the CO2 in their cells until the sun comes out and they can carry on with photosynthesis during the day time.
B) they get rid of excretory products by:
- by the dry leaves falling
- through the stomata
- from the bark of the trees
- through the root in contact with the soil
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Answer:
Their stomata is not completely closed there are some Holes like lenticles to exchange gases
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