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From among the situations given below, c...

From among the situations given below, choose the one that prevents both autogamy and geitonogamy.

A

Monoecious plant bearing unisexual flowers

B

Dioecious plant bearing only male or female flowers

C

Monoecious plant with bisexual flowers

D

Dioecious plant with bisexual flowers

Text Solution

Verified by Experts

The correct Answer is:
b
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(a) Describe any two devices in a flowering plant which prevent both autogamy and geitonogamy. (b) Explain the events upto double fertilization after the pollen tube enters one of the synergids in an ovule of an angiosperm .

TRUEMAN BIOLOGY-NCERT Exemplar Questions +2 (SEXUAL REPRODUCTION IN FLOWERING PLANTS )-MCQs
  1. Among the terms listed below, those that are not technically correct n...

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  2. Embryo sac is to ovule asis to an anther.

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  3. In a typical complete, bisexual and hypogynous flower the arrangement ...

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

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  5. The outermost and innnermost wall layers of microsporangium in an anth...

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  6. During microsporogenesis, meiosis occurs in

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  7. From among the sets of terms given below, identify those that are asso...

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  8. Starting from the innermost part, the correct sequence of parts in an ...

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  9. From the statements given below, choose the option that are true for a...

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  10. Autogamy can occur in a chasmogamous flower if

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  11. Choose the correct statement from the following.

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  12. A particular species of plant produces light, non-sticky pollen in lar...

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

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

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  15. In an embryo sac, the cells that degenerate after fertilisation are

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

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  17. In the embryos of a typical dicot and a grass, true homologous structu...

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  18. The phenomenon observed in some plants wherein parts of the sexual ap...

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  19. In a flower, if the megaspore mother cell forms magaspores without und...

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  20. The phenomenon wherein, the ovary develops into a fruit without fertil...

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