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Home /Doubts and Solutions/CBSE/Class 12 Science/Biology/Human Reproduction/Fertilisation Embryonic Development And Parturition

Fertilisation Embryonic Development And Parturition Free Doubts and Solutions

CBSE - XII Science - Biology - Human Reproduction

What is amniotic fluid

Asked by pitambersingh260 2nd July 2018, 5:09 PM
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CBSE - XII Science - Biology - Human Reproduction

describe the post fertilisation events

Asked by gganga 22nd June 2018, 5:42 AM
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CBSE - XII Science - Biology - Human Reproduction

PLEASE  have  a  WELL  LABELLED  DIAGRAMMATIC  STEP  BY  STEP  REPRESENTATION  OF  the  different  stages of  EMBRYONIC  DEVELOPMENT and  brief  explanation for  eaach  diagram  and  its  labelling 

Asked by pardeepkumar2281 18th May 2018, 9:37 PM
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CBSE - XII Science - Biology - Human Reproduction

Name  the   origin  of the different  FOETAL  MEMBRANES and  ORGANS  OF  FOETUS from  different  GERM LAYERS with  the help of   making a  table as  well  as  digrammatic  representation   

Asked by pardeepkumar2281 14th May 2018, 10:54 PM
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CBSE - XII Science - Biology - Human Reproduction

Please  have  a  detailed  explanation  of  the  EMBRYONIC  DEVELOPMENT  with  the  help  of  diagrammatic representation .

Asked by pardeepkumar2281 14th May 2018, 10:51 PM
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CBSE - XII Science - Biology - Human Reproduction

Name   the  organs develop  in  the  foetus in  series  according   to  the  month  in  which  they  develop . and  please  have  a  diagrammatic  representation  of  the  different  stages of the development  of  the  FOETAL  MEMBRANES .

Asked by pardeepkumar2281 14th May 2018, 10:46 PM
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CBSE - XII Science - Biology - Human Reproduction

What  is  CUMULUS OFFORICUS  and  FOETAL EJECTION  REFLEX ?

Asked by pardeepkumar2281 13th May 2018, 7:55 AM
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CBSE - XII Science - Biology - Human Reproduction

Detailed  exxplanations  of   FOETAL   MEMBRANCES  at  different   stages  of  embryonic  development .

Asked by pardeepkumar2281 13th May 2018, 7:53 AM
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CBSE - XII Science - Biology - Human Reproduction

When and  how   does  PLACENTA  develops  in  human ?  Explain  in  detail .

Asked by pardeepkumar2281 13th May 2018, 7:51 AM
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CBSE - XII Science - Biology - Human Reproduction

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

Asked by Topperlearning User 13th June 2014, 10:55 AM
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CBSE - XII Science - Biology - Human Reproduction

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

Asked by Topperlearning User 13th June 2014, 10:55 AM
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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  

Asked by Topperlearning User 13th June 2014, 10:55 AM
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CBSE - XII Science - Biology - Human Reproduction

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

Asked by Topperlearning User 13th June 2014, 10:55 AM
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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.      

Asked by Topperlearning User 13th June 2014, 10:55 AM
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CBSE - XII Science - Biology - Human Reproduction

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

Asked by Topperlearning User 13th June 2014, 10:55 AM
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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.

Asked by Topperlearning User 13th June 2014, 10:55 AM
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CBSE - XII Science - Biology - Human Reproduction

Describe the functions of human placenta.

Asked by Topperlearning User 13th June 2014, 10:55 AM
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CBSE - XII Science - Biology - Human Reproduction

Placenta acts as an endocrine tissue. Justify

Asked by Topperlearning User 13th June 2014, 10:55 AM
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CBSE - XII Science - Biology - Human Reproduction

Explain why all copulations do not result in pregnancy. 

Asked by Topperlearning User 13th June 2014, 10:55 AM
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CBSE - XII Science - Biology - Human Reproduction

What is parturition? Which hormones are involved in it?

Asked by Topperlearning User 13th June 2014, 10:55 AM
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CBSE - XII Science - Biology - Human Reproduction

What is colostrum?

Asked by Topperlearning User 13th June 2014, 10:55 AM
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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.

Asked by Topperlearning User 13th June 2014, 10:55 AM
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