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Which of these is not an external factor affecting photosynthesis?

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in Biology – Class 11 by (272k points)
Which of these is not an external factor affecting photosynthesis?

(a) Sunlight

(b) Temperature

(c) Leaf orientation

(d) CO2 concentration

This question was addressed to me during an interview.

I'd like to ask this question from Factors Affecting Photosynthesis topic in division Photosynthesis in Higher Plants of Biology – Class 11

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Right answer is (c) Leaf orientation

The best I can explain: Various internal and external factors affect the rate of photosynthesis, which in turn affects the overall productivity and yield of the plant. Sunlight, temperature and CO2 concentration are external factors.

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