Question

Draw a diagrammatic sectional view of a mature anatropous ovule and label the following parts in it:

(i) that develops into seed coat.

(ii) that develops into an embryo after fertilization.

(iii) that develops into an endosperm in an albuminous seed.

(iv) through which the pollen tube gains entry into the embryo sac.

(v) that attaches the ovule to the placenta.

 

Answer 1

i. The part that develops into seed coat− Integument

ii. The part that develops into an embryo after fertilization − Embryo sac

iii. The part that develops into an endosperm in an albuminous seed − Nucellus

iv. The part through which the pollen tube gains entry into the embryo sac − Micropyle

v. The part that attaches the ovule to the placenta− Funicle