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Reproduction In Animals

Question
CBSEENSC8005374
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(i) What is fertilisation?

(ii) Name the type of fertilisation in human.

(iii) Where does it mainly occur?

(iv) How does fertilisation take place in human female?

Solution

(i) Fertilisation is the fusion of a male gamete (sperm) and a female gamete (ovum or egg) to form of zygote during sexual reproduction.

(ii) The type of fertilization that takes place in in humans is internal fertilisation.

(iii) Fertilization occur in the fallopian tubes of the female reproductive system.

(iv) When tha male gamete or sperm reaches the female gamete ova, one of the sperms fuses with the egg leading to fertilization. The nuclei of the sperm and the egg fuse to form a single nucleus. This results in the formation of a fertilized egg or zygote.

Some More Questions From Reproduction In Animals Chapter

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The number of nuclei present in a zygote is

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Oviparous animals give birth to young ones.

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Each sperm is a single cell.

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External fertilisation takes place in frog.

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A new human individual develops from a cell called gamete.

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Egg laid after fertilisation is made up of a single cell

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Amoeba reproduces by budding.

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Fertilisation is necessary even in asexual reproduction.

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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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