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The monosporic embryo sac is A. The mo...

The monosporic embryo sac is A. The most common embryo sac of angiosperms .B. Formed by single megaspore .C. Formed by one meiosis in MMC and only two sequential mitosis in functional megaspore.

A

Both A and C are true

B

Only C is false

C

All A, B and C are true

D

Only A is true

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The most common type of embryo sac in angiosperm

When a embryo sac develop from a single megaspore called monosporic development

Assertion: In angiosperms, each cell of the embryo sac is haploid. Reason: In angiosperms, embryo sac formation is preceded by meiosis.

Assertion : When embryo sac develops from megaspore mother cell without meiosis it is called diplospory. Reason : Fruits are formed without seeds in diplospory

In angiosperms, female gametophyte is embryo sac which is formed by

Embryo sac develops from megaspore mother cell through

A typical angiosperm embryo sac contains 8 nucleus and 7 cells. These 8 nucleus are formed by ………..

To form four fully developed Polygonum type of embryo sacs in angiosperms total number of meiosis and mitosis divisions generations required are

The number of mitotic generations required to form a mature embryo sac in most of the flowering plants is

Assertion : The method of development of embryo sac from a single functional megaspore is termed as monosporic development. Reason : In monosporic (Polygonum) type of embryo sac development, usually the megaspore which is situated towards micropylar end remains functional.

AAKASH INSTITUTE ENGLISH-TEST 1-Examplle
  1. The monosporic embryo sac is A. The most common embryo sac of angios...

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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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