Q. Explain the importance of reproduction in organisms.

Q. Give two difference between a zygote and a foetus.

Q. Indicate whether the following statements are true (T) or false (F).
(a) Oviparous animals give birth to young ones. ( )
(b) Each sperm is a single cell. ( )
(c) External fertilization takes place in frog. ( )
(d) A new human individual develops from a cell called gamete. ( )
(e) Egg laid after fertilization is made up of a single cell. ( )
(f) Amoeba reproduces by budding. ( )
(g) Fertilization is necessary even in asexual reproduction. ( )
(h) Binary fission is a method of asexual reproduction. ( )
(i) A zygote is formed as a result of fertilization. ( )
(j) An embryo is made up of a single cell. ( )

Q. In which female reproductive organ does the embryo get embedded?

Q. Complete the cross-word puzzle using the hints given below.
Across
1. The process of the fusion of the gametes.
6. The type of fertilization in hen.
7. The term used for bulges observed on the sides of the body of Hydra.
8. Eggs are produced here.
Down
2. Sperms are produced in these male reproductive organs.
3. Another term for the fertilized egg.
4. These animals lay eggs.
5. A type of fission in Amoeba.

Q. Describe the the process of fertilization in human beings.

Q. Choose the most appropriate answer.
(a) Internal fertilization occurs
(i) in female body.
(ii) outside female body.
(iii) in male body.
(iv) outside male body.

Q. What is metamorphosis? Give an example.

Q. Define asexual reproduction. Describe two methods of asexual reproduction in animals.

Q. Differentiate between internal fertilization and external fertilization