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The haploid cell which divides by mitosi...

The haploid cell which divides by mitosis to form embryosac is

A

megaspore mother cell

B

microspore mother cell

C

functional megaspore

D

non-functional megaspore

Text Solution

Verified by Experts

The correct Answer is:
C
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A diploid cell has 2n = 4. If this cell divides by mitosis, how many types of genotypes are formed amongst the daughter cells ?

Name all the haploid cells present in an unfertilized mature embryo-sac of a flowering plant. Write the total number of cells in it.

If we ignore the effect of crossing over, how many different haploid cells arise by meiosis in a diploid cell having 2n=12

[A]: Spore mother cells within the anther pollen sacs form four haploid pollen grains. [R]: Spore mother cells divide meiotically to form four haploid pollen grains.

A haploid organism produces gametes by mitosis. Does it mean that meiosis never occurs in such organisms?

Pick out the correct statements (A) Mitosis takes place in the somatic cells and meiosis takes place in the germ cells (B) During mitosis, the DNA replicates once for one cell division are in meiosis the DNA replicates twice for two cell divisions (C) Mitosis and meiosis occur both in sexually and asexually reproducing organisms

In Yeast and Amoeba the parent cell divides to gives rise to two new individual cells. How does the cell division differ in these two organisms?

TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
  1. In angiosperms, a mature male gametophyte is formed from a pollen moth...

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  2. The filiform apparatus is present in

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

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

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

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  6. In 82% of angiosperm families, ovule is

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

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

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

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

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  11. Increased asthmatic attacks in certain seasons are related to

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  12. Pollination occurs when a pollen grain

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  13. Anemophily is pollination through

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  14. Emasculation is

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

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

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

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  18. The process whereby a perfect flower is pollinated by its pollen is ...

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  19. The term used when anthers and stigmas of intersexual or perfect

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  20. Maturation of gynoecium before anthers of the same flower of

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