Answer the following questions :

(i) Where does the embryo develop in human body?

(ii) How many months an embryo take to develop into a fully complete foetus?

Describe the process of fertilisation in human beings.

Choose the most appropriate answer :

Internal fertilisation occurs

Choose the most appropriate answer :

A tadpole develops into an adult frog by the process of

Choose the most appropriate answer :

The number of nuclei present in a zygote is

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

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

Amoeba reproduces by budding.