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Which is the site for perception of light/dark duration?

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in Biology – Class 11 by (272k points)
Which is the site for perception of light/dark duration?

(a) Leaves

(b) Stem

(c) Roots

(d) Apical bud

This question was posed to me in an interview.

This question is from Plant Growth and Development topic in chapter Plant Growth and Development of Biology – Class 11

1 Answer

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Right answer is (a) Leaves

Explanation: Leaves are the site for perception of light/dark duration. Florigen is responsible for flowering. Shoot apices are modified to flowering apices prior to flowering. The hormone further migrates to stem and roots.

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