Does the tail in a sperm serve a specific purpose? If yes, what is it?

2

(a)

An organism has both male and female reproductive organs. Is it possible? If yes, name such organism.

2

(a)

X is the reproductive cell produced in a woman's Y while Z is the reproductive cell that is produced in the testes of a man. What can X, Y and Z be?

2

(a)

A term is used for the 'bulges' observed on the sides of the body of Hydra. What is it?

2

(a)

Name the male sex hormone.

2

(a)

Do humans also undergo metamorphosis?

2

(a)

A fertilisation that takes place outside the body. What is it called as?

2

(a)

Name some organisms which are reproduced by parthenogenesis.

2

(a)

Sperms need to have mobility'. Give reason.

2

(a)

Amoeba reproduces by which process? Explain in brief.

2

(a)

How is egg formed in the hen?

2

(a)

Write difference between internal fertilization and external fertilization.

2

(a)

How are chicks born from hens?

2

(a)

Explain the asexual reproduction in amoeba

2

(a)

'Sperms need to have mobility'. Give reason

2

(a)