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Doubles fertilization is fusion of...

Doubles fertilization is fusion of

A

one egg with two sperms

B

sperm nucleus with egg nucleus as well as with polar nuclei

C

one male gamete with egg and other male gamete with synergid

D

one male gamete with egg and other male gamete with secondary nucleus

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The correct Answer is:
D
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TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
  1. Germination of pollen grain on the stigma is

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  2. At the time of entering embryo sac the pollen tube contains

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  3. Doubles fertilization is fusion of

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  4. Route used by pollen tube for entering ovule is

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  5. The significance of double fertilization is that it

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  6. The second fertilization in angiosperms is known as

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  7. Entry of pollen tube through micropyle while reaching the embryo sac...

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  8. When pollen tube enters by integuments then the process is called

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  9. In angiosperms, pollen tube liberates its male gametes into:

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  10. Total number of nuclei involved in double fertilization is

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  11. Pollen tube enters the embryo sac usually

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  12. Development of embryo in angiosperm is

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  13. The wheat grain/maize grain has an embryo with one, large, shield shap...

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  14. Pollination is stimulus necessary for the fruit development. It can be...

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  15. Ovule integument gets transformed into

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  16. Endosperm in angiosperms is formed from secondary nucleus

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  17. Endosperm of angiosperms is different from that of gymnosperms becaus...

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  18. The most common type of development of endosperm is

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  19. Coconut has

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  20. When only the first division is followed by cytokinesis, the developme...

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