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External water is not required for ferti...

External water is not required for fertilization of

A

Cryptogams

B

Bryophytes

C

Petridophytes

D

Spermatophytes

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The correct Answer is:
D
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TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
  1. The process whereby the male gametes are brought to the egg by a poll...

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  2. The pollen tubes grow through the solid style by separating their ce...

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  3. External water is not required for fertilization of

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  4. In angiosperms, triple fusion produces

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  5. In angiosperm, syngamy or true fertilization refers to

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  6. Movement of pollen tube towards embryo sac is

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  7. Germination of pollen grain on the stigma is

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

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  9. Doubles fertilization is fusion of

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  10. Route used by pollen tube for entering ovule is

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  11. The significance of double fertilization is that it

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  12. The second fertilization in angiosperms is known as

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  13. Entry of pollen tube through micropyte while reaching the embryo sac...

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

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  15. In angiosperms, pollen tube liberates its male gamets into:

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  16. Total number of nuclei involved in double fertilization is

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  17. Pollen tube enters the embryo sac usually

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  18. Development of embryo in angiosperm is

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

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

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