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Embryo sac is monosporic when it develop...

Embryo sac is monosporic when it develops from

A

All the four megaspores

B

Only from two functional megaspores

C

Three megaspores

D

One of the megaspores out of the four mega spores which are derived from division of megaspore mother cell

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The correct Answer is:
D
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AAKASH SERIES-SEXUAL REPRODUCTION IN FLOWERING PLANTS -EXERCISE - II
  1. In Angiosperms, the functional megaspore of a linear tetrad is the

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  2. The normal or polygonum type of embryo sac is

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  3. Embryo sac is monosporic when it develops from

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  4. Commonly in a mature fertilised ovule n, 2n and 3n condition is respec...

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  5. The term xenia denotes the effect of pollen on the

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  6. If a pollen of a flower falls on the stigma of another flower belongin...

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  7. Dichogamy favouring cross-pollination is a type of floral mechanism wh...

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  8. When the pollen grains are not transferred from anthers to the stigma ...

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  9. Entomophilous flowers are

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  10. A close relation between flower and pollinating agent is best exhibite...

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  11. The insect Blastophaga grossorum is associated with the pollination of

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  12. Fusion of one male gamete with the egg cell and fusion of another male...

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  13. The movement of pollen tube in the carpel towards the embryo sac is

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  14. At which stage one can distinguish between nuclear and cellular type o...

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  15. Milky water of green tender conconut called coconut milk is

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  16. Food material in exalbuminous seed is mainaly stored in

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  17. How many meiosis are required to produce 50 seeds of tobacco? (a) 62 ...

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  18. When a diploid femlae palnt is crossed with a tetrapoid male the ploid...

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  19. Formation of seed without fertilization is known as

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  20. Apospory is direct formation of

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