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Which of the following statement is wron...

Which of the following statement is wrong?
(A) Pollen grains remain viable for several months because their outer covering is made up of sporopollenin
(B) No enzyme can degrade sporopollenin
(C) Pollen grains are well represented in fossil state due to sporopollenin
(D) Pollen wall has cavities containing proteins

A

Pollen grains remain viable for several months because their outer covering is made up of sporopollenin

B

No enzyme can degrade sporopollenin

C

Pollen grains are well represented in fossil state due to sporopollenin

D

Pollen wall has cavities containing proteins

Text Solution

Verified by Experts

The correct Answer is:
D
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KUMAR PRAKASHAN-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Section -F (Multiple Choice Questions)
  1. In a flowering plant the pollen tube first arrives in (A) egg (B) a...

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  2. Which one of the following would not lead to formation of clones? (A)...

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  3. Which of the following statement is wrong? (A) Pollen grains remain v...

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  4. Testa of a seed is produced from (A) ovary wall (B) hilum (C) out...

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  5. Study the following statement and choose the option: (I) Tapetum nou...

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  6. How many nuclei are involved in double fertilization?

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  7. Which is the characteristics of the flower in plants possessing wind p...

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  8. Transfer of pollen to the stigma of another flower of the same plant i...

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  9. What does the filiform apparatus do at the entrance into the ovule? (...

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  10. The arrangement of the nuclei in a normal embryosac in the dicot plant...

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  11. The contrivances shown by jasmine flower for cross-pollination is (A)...

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  12. With references to cannabis, which of the following options is correct...

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  13. Which of the following is the correct chronological order of the divis...

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  14. If the genetic complex of organism is the same and yet fertilization d...

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  15. The plant developed by parthenogenesis might be (A) only haploid (B...

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  16. Which of the following statement is not true? (A) Insects which consu...

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  17. Which fruti shows polyembryony?

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  18. Name the pore found on the exine of the pollen grains (A) Micropores ...

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  19. Which of the following indicates the development of ovary into fruits ...

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  20. Which of the following is correct option for the type and the number o...

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