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Double fertilization means (A) fusion o...

Double fertilization means
(A) fusion of male gamete with antipodal cell
(B) fusion of male gamete with synergid cell
(C) fusion of male gamete with egg cell
(D) fusion of male gamete with egg cell and another with secondary nucleus

A

fusion of male gamete with antipodal cell

B

fusion of male gamete with synergid cell

C

fusion of male gamete with egg cell

D

fusion of male gamete with egg cell and another with secondary nucleus

Text Solution

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The correct Answer is:
D
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KUMAR PRAKASHAN-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Section -F (Multiple Choice Questions)
  1. The endosperm of angiosperms is developed from (A) antipodals (B) z...

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

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  3. Double fertilization means (A) fusion of male gamete with antipodal c...

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  4. Self-pollination occur between stamens and carpels of (A) same flower...

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  5. What is meant by emasculation? (A) Pollination between flower of same...

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  6. The term used when anther and stigmas of intersexual or perfect flower...

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  7. Self pollination is prevented by (A) Dichogamy (B) self sterility ...

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  8. Pollination which can occur in same plant is favoured by (A) herkogam...

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  9. ……favours autogamy (A) Dicliny (B) Dichogamy (C) Hekrogamy (D) ...

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  10. The flower may be of two or more types with regard to the length of st...

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  11. Allogamy has to be always performed with the help of (A) external age...

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  12. Allogamy is best favoured by (A) cleistogamy (B) dicliny (C) homo...

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  13. Allogamy is very useful because it results in (A) Formation of male ...

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  14. Another term for cross-pollination is (A) allogamy (B) xenogamy ...

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  15. The most exceptional feature of zoophilous flower is (A) scented havi...

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  16. In bisexual flowers, stamen and carpel mature at different times, by w...

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  17. In bisexual flowers, stamen and carpel mature at different times, by w...

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  18. …….is favoured by protandry (A) Self pollination (B) Cross pollinat...

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  19. To avoid self-pollination and provide contrivance for cross pollinatio...

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  20. Maize flowers are (A) autogamous (B) entomophilous (C) anemophilo...

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