SATHEE: Plant Growth And Development Ques 20

Plant Growth And Development Ques 20

20. Which one is a long-day plant?

[2001]

(a) Tobacco

(b) Glycine max

(c) Mirabilis jalapa

(d) Spinach

Show Answer

Answer : d

Hints & Solutions

(d) Long day plants undergo flowering after receiving light above a critical day length. e.g. Spinach, sugarbeet. Short day plants flower only when they receive light below a critical day length. e.g. Glycine max, Tobacco.

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Plant Growth And Development

Plant Growth And Development Ques 20

20. Which one is a long-day plant?

Answer : d

Hints & Solutions

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