NEET Biology Plant Growth And Development Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

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Plant Growth And Development Topic Based

Question & Answer Discuss:

Importance of day length in flowering of plants was first shown in

(a) Petunia

(b) cotton

(c) Lemna

(d) tobacco

Answer: (d)

The effect of photoperiods or daily duration of light hours (and dark periods) on the growth and development of plants, especially flowering, is called photoperiodism. Also refer to answer 67.

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