STD 11 - 13. Plant growth and development — BIOLOGY STD 11 Science — Question
Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 13. Plant growth and development1 Mark
MCQ
Which phytohormone has viral inhibitory property?
A
$IAA$
B
$G A_{3}$
✓
$ABA$
D
$2,4-D$
✓
Answer
Correct option: C.
$ABA$
c Abscisic acid ($ABA$) inhibits synthesis of $RNA$ and proteins. It has been shown that ABA regulate the expression of certain genes during seed maturation and certain stress condition such as heat shock, adaptation to low temperature and tolerance
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