Question

7. (a) Arrange the sentences (in terms of P, Q, R, S) given below in order to describe the process of fertilization.
P: The zygote divides inside the ovule to form the embryo.
Q: The pollen grains germinate when they fall on the stigma of a flower of the same species
R: The male and female gametes fuse to form a zygote.
S: A pollen tube is produced that reaches the ovule.
(b) What is the name of the process in which - :
(i) the pollen grains is transferred from anther to stigma of a flower?
(ii) the male gamete fuses with female gamete?​

Answer 1

Answer:

7(a). Q→S→T→P→R→

(b). (i) Pollination :-

Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma. The goal of every living organism, including plants, is to create offspring for the next generation.

(ii) The process of fusion of a male gamete (or sperms) with a female gamete(ovum) is called fertilization. The two haploid nuclei each from either parent fuses to form a diploid zygote which is universal in all sexually reproducing organisms.

Explanation:

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