Assertion :Tropical plants have a higher optimum temperature for photosynthesis than temperate plants. Reason: The temperature optimum for photosynthesis of different plants depends on their habitat.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution
The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion The optimum temperature is 10o−25o For C3 plants and 30−45 C for C4 plants The temperature optimum for photosynthesis of different plants also depends on habitat that they are adapted to. Tropical plants have a higher temperature optimum than plants adapted to temperate climates.