Question

Give two differences in each of the following pairs :
(a) Epigeal germination and hypogeal germination
(b) Coleorhiza and coleoptile.
(c) Bean seed and maize grain.​

Answer 1

a)

Epigeal germination

Hypogeal germination

1. Cotyledons are pushed above the ground

1. Cotyledons remain underground

2. Hypocotyl elongates

2. Epicotyl elongates

b)

Coleorhiza

Coleoptile

1. The protective sheath of the radicle

1. The protective sheath of plumule

2. Present toward the pointed end of an embryonic region.

2. Present towards the upper broader side of the embryonic region.

c)

Bean seed

Maize Grain

1. Two cotyledons

1. One cotyledon

2. No endosperm

2. Large endosperm present