Fill in the blanks:

(a) In bean seeds, …………… grows faster and the seeds are brought …………… ground.

(b) …………… is a protective layer of radicle and …………… protects the rolled plumule.

(c) A seed is protected by …………… and…………….

(d) Seeds absorb water through …………… which also helps in diffusion of respiratory gases.

(e) Rice, wheat and maize are rich in …………… food.

Arrange the following set of terms in order, so as to be in logical sequence. Rewrite the correct order.

1. Embryo, 1st male gamete, zygote, egg cell, micropyle.
2. Zygote, embryo, seed, allogamy, fusion of gametes.
3. Tegmen, Embryonic axis, Cotyledons, Testa
   (arrange with respect to their position in a seed from outer to inner).

Name the following:

(a) Two types of seeds on the basis of the number of cotyledons.

(b) Two types of seeds on the basis of endosperm.

(c) Three necessary conditions for the germination of seeds.

(d) Two main types of germination.

(e) Two layers of the seed coat.

Define the following terms:

(a) Seed

(b) Fruits

(c) Grain

(d) Dormancy

(e) Germination