Question
Biology Question on excretory products and their elimination
Which of the following is an endogenous dormancy?
A
(A) Physical dormancy
B
(B) Mechanical dormancy
C
(C) Chemical dormancy
D
(D) Physiological dormancy
Answer
(D) Physiological dormancy
Explanation
Solution
Explanation:
The most common form of seed dormancy is endogenous physiological dormancy. It is the type of dormancy that is relieved by periods of moist chilling stratification. In nature, seeds get their necessary moist chilling in the ground over the winter. This synchronizes germination in the spring. We can mimic this effect by placing seeds in a moist environment in the refrigerator.Hence, the correct option is (D).