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How is pregnancy calculated?...

How is pregnancy calculated?

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Pregnancy takes usually 40 weeks (280 days) or about 9 calendar months, if it is measured from the beginning of the last menstrual cycle.
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NEW JOYTHI PUBLICATION-HUMAN REPRODUCTION -NEW EVALUATION
  1. Arrange the given parts in two columns and give appropriate headings. ...

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  2. Name the parts formed in human embryo after a. one month ,b. second ...

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  3. How is pregnancy calculated?

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  4. Give the life span of a. sperm , b. egg

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  5. Diagrammatic representation of two ova are given below. Penetration of...

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  6. While teaching "reproduction" in the class a student asked the teacher...

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  7. The given statements specify the major events in gametogenesis. Compar...

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  8. The diagram above shows the hormonal control of spermatogenesis. Like ...

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  9. Explain the terms. Vasectomy , Hysterectromy and Tubectomy .

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  10. The diagram below shows the formation of sperm. Like this draw a dia g...

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  11. Normally polyspermy does not occur. a. What happens if it occurs? ...

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  12. Mention the difference between breech birth and normal birth.

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  13. During embryonic development some parts of the embryo differentiate in...

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  14. Generally the delivery room is described as labour room. Why?

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  15. In a breech birth, the baby is taken out by making an incision in the ...

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  16. The following figure shows the safety periods and fertile period of a ...

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  17. In mammals, the testes are placed in the scrotal sacs. Give reason.

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  18. Siamese twins are always either male or female and never be male and f...

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  19. Placenta makes the intimacy between mother and foetus. a. What is p...

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  20. Copy the diagram. Identify and label any five parts.

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