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The number of chromosomes in leaf tip c...

The number of chromosomes in leaf tip cell of plant is 6. The number of choromosoms in each of the 4 cells of its pollen tetrad would be

A

3

B

6

C

12

D

24

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The correct Answer is:
A
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TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
  1. Function of guiding and attracting pollen tube towards egg is done by

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  2. In flowering plants archesporium gives rise to

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  3. The number of chromosomes in leaf tip cell of plant is 6. The number ...

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  4. In angiosperms, a mature male gametophyte is formed from a pollen moth...

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  5. The filiform apparatus is present in

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  6. The haploid cell which divides by mitosis to form embryosac is

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  7. Which of the cells in the Polygonum type of embryo sac which degenera...

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  8. The number of cells in the Polygonum type of embryo sac which degener...

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  9. In 82% of angiosperm families, ovule is

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  10. Which of the following statements is/are correct ? (i) Endothecium ...

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  11. The arrangement of the nuclei in a normal embryo sac in the dicot plan...

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  12. Which one of the following is surrounded by a callose wall

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  13. Male gametes in angiosperms are formed by the division of

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  14. Increased asthmatic attacks in certain seasons are related to

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  15. Pollination occurs when a pollen grain

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  16. Anemophily is pollination through

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  17. Emasculation is

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  18. When anthers and stigma mature at the same time it is called

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  19. Self pollination (autogamy) is obligatory in closed bisexual flowers ...

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  20. Wind pollinated plants differ from insects pollinated plants in havin...

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