Which of the following action makes a seed coat becomes permeable to water?

Define the terms Quiescence and Dormancy.

The hormone which can break seed dormancy is 

Most of the phosphorus in the developing seeds is stored as.

Assertion :
Reason :Stratification promote gibberellin and cytokinins

Inferior achenial one chambered and one seeded fruit derived from bicarpellary pistil with pericarp and seed-coat free. Which of the following fruit belongs to this category of fruits?

Grafting method is always good in the plants where seeds are having ______ dormancy period, _______ germination capacity and to produce varieties of seedless fruits.

In 1997, an American company got patent rights on which of the following variety through US patent and trademark office:

Fill in the blank with appropriate words.
Parachute mechanism of fruit and seed dispersal is due to the presence of a structure called ..........