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Ask Fertilisation Embryonic Development And Parturition question free ×
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Fertilisation Embryonic Development And Parturition Free Doubts and Solutions

CBSE - XII Science - Biology - Human Reproduction

Breast fed infants have a better immunity than bottle fed ones. Why? 

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CBSE - XII Science - Biology - Human Reproduction

Where is morula formed in humans? Explain the process of its development from zygote?

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CBSE - XII Science - Biology - Human Reproduction

Study the flow chart given below. Name the hormones involved at each stage and explain their functions.   Hypothalamus   Pituitary   Ovary   Pregnancy  

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CBSE - XII Science - Biology - Human Reproduction

Both vaccine and colostrum produce immunity. Name the type of immunity produced by these.

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CBSE - XII Science - Biology - Human Reproduction

In the given figure, give the name and functions of parts labelled A and B.      

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CBSE - XII Science - Biology - Human Reproduction

‘Each and every coitus does not result in fertilisation and pregnancy’. Justify the statement.

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CBSE - XII Science - Biology - Human Reproduction

From where parturition signals arise, mother or foetus? Mention the main hormone involved in parturition.

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CBSE - XII Science - Biology - Human Reproduction

Describe the functions of human placenta.

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CBSE - XII Science - Biology - Human Reproduction

Placenta acts as an endocrine tissue. Justify

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CBSE - XII Science - Biology - Human Reproduction

Explain why all copulations do not result in pregnancy. 

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CBSE - XII Science - Biology - Human Reproduction

What is parturition? Which hormones are involved in it?

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CBSE - XII Science - Biology - Human Reproduction

What is colostrum?

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CBSE - XII Science - Biology - Human Reproduction

Nature has developed its own mechanism to restrict the number of eggs fertilised per cycle in humans. Justify.

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