SATHEE: Plant Growth And Development Ques 79

Plant Growth And Development Ques 79

79. Abscisic acid causes

[1991]

(a) stomatal closure

(b) stem elongation

(c) leaf expansion

(d) root elongation

Show Answer

Answer : a

Hints & Solutions

(a) Abscisic acid is a stress hormone. During desication abscisic acid is synthesized which reduces transpiration by closure of stomata. It conserves water.

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Plant Growth And Development

Plant Growth And Development Ques 79

79. Abscisic acid causes

Answer : a

Hints & Solutions

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