NCERT Solutions for Class 8 विज्ञान Chapter 9 Reproduction In Animals

Explain the importance of reproduction in organisms.

Describe the process of fertilisation in human beings.

Choose the most appropriate answer :

Internal fertilisation occurs

• in female body.

• outside female body.

• in male body.

• outside male body.

Choose the most appropriate answer :

A tadpole develops into an adult frog by the process of

• fertilisation.

• metamorphosis.

• embedding.

• budding.

Choose the most appropriate answer :

The number of nuclei present in a zygote is

• none.

• one.

• two.

• four.

Indicate whether the following sentences is True (T) or False (F) :

Oviparous animals give birth to young ones.

Indicate whether the following sentences is True (T) or False (F) :

Each sperm is a single cell.

Indicate whether the following sentences is True (T) or False (F) :

External fertilisation takes place in frog.

Indicate whether the following sentences is True (T) or False (F) :

A new human individual develops from a cell called gamete.

Indicate whether the following sentences is True (T) or False (F) :

Egg laid after fertilisation is made up of a single cell