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What is fertilisation? Show the diagram also.
Fertilisation is the fusion of male and female gamete form a zygote. When the male gamete (sperm) enters the female ova , the nucleus of the sperm fuses with nucleus of the ova to form a single nucleus. This results in the formation of the fertilised egg or the zygote.
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.
Indicate whether the following sentences is True (T) or False (F) :
Fertilisation is necessary even in asexual reproduction.
Indicate whether the following sentences is True (T) or False (F) :
Binary fission is a method of asexual reproduction.
Indicate whether the following sentences is True (T) or False (F) :
A zygote is formed as a result of fertilisation.
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