Why do newly harvested potato tubers not germinate even when placed in favourable conditions?

What are the causes of long-term seed dormancy?

Legume seeds exhibit dormancy because of

The process of inducing germination at low temperatures is called.......

. . . . . . is a period when growth and development is temporarily stopped.

Based on the following statements,choose the correct option given below.
Statement $I$: Dormancy is a state of metabolic arrest that facilitates the survival of seeds during unfavourable conditions.
Statement $II$: Mature and viable seeds do not germinate even in the presence of favourable conditions unless the dormancy period is completed.