Question
Biology Question on plant growth and development
Which of the following is not an inhibitory substance governing seed dormancy ?
A
Gibberellic acid
B
Abscisic acid
C
Phenolic acid
D
Para-ascorbic acid
Answer
Gibberellic acid
Explanation
Solution
Abscisic acid (ABA), phenolic acid and para-ascorbic acid are inhibitory substances that cause seed dormancy.
Effect of inhibitory substance can be removed by application of certain chemicals like gibberellic acid and nitrates.