Question
Biology Question on plant growth and development
Which hormone is responsible for fruit ripening?
A
ethylene
B
auxin
C
ethyl chloride
D
cytokinin.
Answer
ethylene
Explanation
Solution
Scarification means the application of those methods by which the hard seed coat is ruptured or softened so that it becomes permeable to water, gases i and the embryo can expand. There are two methods of scarification as mechanical scarification and chemical scarification. This helps in overcoming seed dormancy.