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Formation of zygote is observed in those...

Formation of zygote is observed in those animals that (a)exhibit internal fertilization(b)undergo external fertilization(c)are diploid(d)exhibit great srynchony in laying gametes in water

A

only (a) and (b) are correct

B

only (c) and (d) are incorrect

C

only (c) is incorrect

D

all four statements are correct

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AAKASH INSTITUTE ENGLISH-TEST 1-Examplle
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  2. Pollen grains are shed at two-celled stage in angiosperms.Find the cor...

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  3. An aquatic plant which is pollinated by water is

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  4. An angiospermic plant has the following charecteristics.Identify the t...

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  5. Select the correct statements about apomitic seeds.a)these seeds are p...

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  6. Paethenocarpic fruits

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  7. A typical angiospermic seed consist of all,except

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  8. Persistent nucellus in the seeds of black pepper is called

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  9. Both autogamy and geitonogamy are prevented in

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  10. Select the odd w.r.t. the ploidy level of cells of embryo sac.

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  11. Generative cell of pollen grain

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  12. The outer layer of sporoderm which helps in fossilization of pollen gr...

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  13. The innermost layer of anther wall whose cells nourish the developing ...

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  14. If the chromosome number in a meiotically produced gamete of a plant i...

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  15. Male gametes require water to reach the female gamete in

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  16. China rose is

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  17. Heterogametes are found in

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  18. In flowering plants,which of the following structures is present befor...

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  19. Pollen grains are the carrier of male gametes in

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  20. Syngamy does not occur outside the body of the organism in

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