Question

Q 36 (a) what do you understand by the term fertilization in a flower ? List the threechanges that takes place after fertilization in a flower.
(b) Give any three advantages of vegetative propagation​

Answer 1

Answer:

a)  Fertilization takes place inside the ovary when the nucleus of pollen grain fuses with the nucleus of an ovule to produce a zygote.Thus, the ovary of a flower may give rise to a number of seeds. After fertiliszation, the ovary of a flower develops and becomes a fruit (with seeds inside it). Fruit is the ripened ovary of a flower.

b) (i) The plants that cannot produce viable seeds such as banana, seedless grapes and oranges, etc, can be easily grown by vegetative propagation.

(ii) It is an easier, less expensive and a rapid method of propagation.

(iii) Genetically identical plants can be propagated.