Explain the importance of reproduction in organisms.
Describe the process of fertilisation in human beings.
Choose the most appropriate answer :Internal fertilisation occurs
(a) in female body.(b) outside female body.(c) in male body.(d) outside male body.
Choose the most appropriate answer :A tadpole develops into an adult frog by the process of
(a) fertilisation.(b) metamorphosis.(c) embedding.(d) budding.
Choose the most appropriate answer :The number of nuclei present in a zygote is
(a) none.(b) one.(c) two.(d) four.
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Cloning is the production of an exact copy of a cell, any other living part or a complete organism. For example, production of the clone sheep - Dolly by Ian Wilmut and his colleagues.