Question

I will mark you as brain list class 7 cbse

explain it ​

Answer 1

1. Stigma

2. its sole purpose is to deliver sperm cell to female gametopyte for double fertilization.

3.Yes.

4. A zygote is a fertilized egg.

Answer 2

Answer:

1. Pollen grains are yellow, sticky powdery substances found on the anther. It is a male gamete.

2. The pollen tube transfers the.pollen grains from the stigma to the ovary of the pistil of the flower.

3. Yes, ovum is the egg.

4. After the male gamete that is the pollen grains and the egg or ovum comes in contact fertilisation takes place and zygote is formed.

Hope.it helps.