Which of the following organisms reproduces by sexual and which by asexual method?

Amoeba, Cats Humans, Hydra, Birds

Fill in the following blanks with suitable words:

(a) The process of …………. ensure continuity of life on earth.

(b) The cells involved in sexual reproduction are called ……………..

(c) Fusion of gametes gives rise to a single cell called ………..

(d) The process of fusion of gametes is called ……..

(e) The other name of egg cell is …………….

(f) A sperm is much ………………. than an egg cell.

(g) In humans, one nature egg (or ovum) is released into oviduct every ………. by one of the ovaries.

(h) The egg laying animals are called ………… animals.

(i) The cow is a ………… animal whereas ostrich is an …………………. animal.

(j) The change of caterpillar into an adult silk moth is called ……………….

(k) The larva of frog is called ………….

(l) The two common methods of asexual reproduction in animals are ………. and …………………

(m) Dolly , the sheep, was produced by the technique called ………………….

What is the basic difference between asexual and sexual reproduction?

What is meant by the terms ‘internal fertilization and ‘external fertilisation’? Explain with example.

Draw a labeled diagram of the human female reproductive system.

(a) Where in the human body does an egg (or ovum) get fertilized 

(b) Where does a fertilized egg (or zygote) develop into a baby in the human body?