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What do you mean by binary fission? Draw a diagram also.
Binary fission is a method of asexual reproduction. In this method the body of the animal divides into two halves. The nucleus divides into two, followed by the division of the whole body. It gives rise to two individuals. Amoeba reproduce by binary fission.
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.
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