Question
Biology Question on plant growth and development
A substance that induces dormancy of seed is
A
ABA
B
GA
C
thio-urea
D
cytokinin
Answer
ABA
Explanation
Solution
ABA (Abscisic Acid) induces dormancy in buds and seeds. The buds as well as seeds sprout only when abscisic acid is overcome by gibberellins.