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The principal tail piece of human sperm ...

The principal tail piece of human sperm shows the microtubular arrangement of

A

`7+2`

B

`9+2`

C

`11+2`

D

`13+2`

Text Solution

Verified by Experts

The correct Answer is:
B
The axial filament in the tail of human sperm has `9+2` microtubular arrangement like that of flagella and cilia.
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NCERT FINGERTIPS-HUMAN REPRODUCTION-Human Reproduction
  1. The middle piece of the sperm contains

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  2. Consider the following three statements related to the human male repr...

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  3. The principal tail piece of human sperm shows the microtubular arrange...

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  4. A cross section at the midpoint of the middle piece of a human sperm w...

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  5. Acrosome is a type of

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  6. Which of the following contains the actual genetic part of a sperm ?

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  7. The sperm undergo physiological maturation, acquiring inreased motilit...

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  8. At what stage of life is oogenesis initiated in a human female?

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  9. A human female is born with a million of eggs (primary oocyte) at the ...

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  10. 1^(st) polar body is formed at which stage of oogenesis?

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  11. In the given T.S. of human ovary identify A to F and select the correc...

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  12. In overy we can find (i) primary follicle , (ii) Graafian follicle ...

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  13. Which one is released from the ovary?

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  14. In oogenesis, a diploid cell produce "" ovum/ova.

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  15. During oogenesis, each diploid cell produces

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  16. In oogensis, egg is fertilised by sperm at which stage?

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  17. Statememt 1 : In a Graafian follicle, the primary cell, the and the f...

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  18. Layers of an ovum from outside to inside is

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  19. Given here is the figure of a section of Grafian follcle, identify the...

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  20. Which part of ovary in mammals acts as an endocrine gland after ovulat...

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