STD 11 - 13. Plant growth and development — BIOLOGY STD 11 Science — Question
Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 13. Plant growth and development1 Mark
MCQ
Hormone causing stomatal closure is
A
$GA$
B
Kinetin
✓
$ABA$
D
$IBA$
✓
Answer
Correct option: C.
$ABA$
c (c)Application of minute quantity of $ ABA $ to leaves reduces transpiration to a great extent through partial closure of stomata. It thus conserves water and reduces the requirement of irrigation.
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