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Why is the human placenta referred to...

Why is the human placenta referred to as haemochorial type ?Name the hormone it secretes it secretes to facilitate parurition .

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PRADEEP-HUMAN REPRODUCTION -ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)
  1. Distinguish between :(a) Spermatogenesis and spermiogenesis .(b) C...

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  2. A fertilized egg is blue print of future development. Explain

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  3. Why is the human placenta referred to as haemochorial type ?Name ...

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  4. Read the graph given here and correlate the uterine events that t...

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  5. Draw a labelled diagram of the microscopic structure of a human sperm.

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  6. Study the figure given below and answer the questions that fol...

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  7. Mention the target cells of lutenising hormone in human males an...

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  8. Draw a labelled sectional view of seminiferous tubule of a human male.

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  9. Study the given figure carefully and answer the following quest...

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  10. Fill in the blanks : Primary sex organs are called . . . . . .. . ....

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  11. Fill in the blanks : semiinferous tubules produce . . . . . .. . ...

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  12. Fill in the blanks : Vas efferentia carry spermatozoa from . . . ....

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  13. Fill in the blanks : Vasa efferentia carry spermatozoa from . .. ....

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  14. Fill in the blanks : In females , urethra is small and conducts ...

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  15. Fill in the blanks : Penis is an external intromittent organ whic...

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  16. Fill in the blanks : the process of formation of spermatozoa from ...

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  17. Note the relationship between first two words and suggest suita...

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  18. mark the wrong items in each series - (i) scrotum rete testis ...

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  19. Mark the wrong item in each series - (a) Spermatocyte , polar...

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  20. Fill in the blanks : the development stage of an animal pas...

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