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A pollinium consists of...

A pollinium consists of

A

a bag of pollen grains formed in a microsporangium

B

a cluster of pollen grains belonging to the chamber of microsporangium

C

group of four pollen grains derived from a single mother cell

D

two pollen tetrads attached by the small stalks

Text Solution

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The correct Answer is:
C
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ARIHANT NEET-SEXUAL REPRODUCTION IN FLOWERING PLANTS -ASORTED QUESTIONS
  1. At what stage embryo sac is ready for fertilisation?

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  2. The condition, under which Dophnia reproduces parthenogenetically is

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  3. A pollinium consists of

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  4. Autogamy can occur in a chasmogamous flower if

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  5. From among the situations given below, choose the one that prevents bo...

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  6. A dicotyledonous plant bears flowers but never produces fruits and see...

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  7. In a fertilised embryo sac, the haploid, diploid and triploid structur...

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  8. The male gametes of angiosperms are

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  9. After penetrating stigmtic and stylar tissue, the pollen tube usually ...

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  10. At which stage, one can distinguish between nuclear and cellular type ...

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  11. While planning for an articifical hybridisation programmme involving d...

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  12. There are at lest two families where the product of double fertilisati...

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  13. The sequence of development during the formation of endosperm is

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  14. Choose the correct statement from the following.

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  15. Even after killing the generative cell with a laser beam, the pollen g...

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  16. Pollen grains that would easily germinate on stigma are found to germi...

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  17. In angiospermsm, each pollen grain produces to male cells. What do the...

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  18. IN Tape Grass (= Vallisneria )

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  19. A botanist treated some pollen grains with enzymes, chemical and high ...

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  20. Cross-pollination offers certain advantages as well as disadvantages t...

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