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When and where do chorionic villi appear...

When and where do chorionic villi appear in humans? State their function.

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ALLEN-HUMAN REPRODUCTION & REPRODUCTION HEALTH -Question
  1. What happens to corpus luteum in human female if the ovum is (i) ferti...

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  2. Why is ZIFT a boon to childless couples ? Explain the procedure.

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  3. When and where do chorionic villi appear in humans? State their functi...

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  4. The difference between ooganesis and spermatogenesis is

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  5. In humans, genetically, the sex of the child is determined by the fath...

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  6. Is the use of contraceptives justified? Give reasons.

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  7. Removal of gonads cannot be considered as a contraceptive option. Why?

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  8. Can you list the change seen in human beings that indicate their repro...

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  9. Write two major functions each of testis and ovary.

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  10. The functions of male sex accessory ducts and glands are maintained by...

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  11. Name the functions of the following. (a) Corpus luteum (b) End...

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  12. What do you think is the significance of reproductive health in a soci...

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  13. Describe the process of Parturition in humans.

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  14. The above diagram shows human male reproductive system (one side only)...

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  15. Explain the events in a normal woman during her menstrual cycle on the...

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  16. The diagram above shows a part of the human female reproductive system...

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  17. Draw a diagram of the microscopic structure of human sperm. Label the ...

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  18. When and where are primary oocytes formed in a human female ? Trace th...

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  19. (a) Where does fertilization occur in humans ? Explain the events that...

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  20. (a) Write the specific location and the functions of the following cel...

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