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The endosperm nucleus gives rise to a nu...

The endosperm nucleus gives rise to a number of free nuclei, which remain in the periperal layer of embryo sac cytoplasm surrounding a large central vacuole in case of

A

Cocos

B

Capsella bursa-pastoris

C

datepalm

D

all of these

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D
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Which of the following statements are correct regarding the development of embryo sac ? (i) The type of nuclear division is free , in which there is no formation of the cell wall . (ii) Out of the eight nuclei , six are surrounded by a cell wall . (iii) Central cell situated below the egg apparatus.

From the following, select the process which take place during the development of embryo sac. (a.) Functional megaspore divides by three mitotic divisions. (b.) Type of nuclear division is free , where no cell wall formation takes place. (c.) Among eight nuclei. Six are surrounded by a cell wall. (d.) Central cell is situated below the egg apparatus .

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ARIHANT NEET-SEXUAL REPRODUCTION IN FLOWERING PLANTS -ASORTED QUESTIONS
  1. The division of zygote in the development of crucifer type embryo is

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  2. Which of the following is not fuctionally analogous with other in the ...

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  3. The endosperm nucleus gives rise to a number of free nuclei, which rem...

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  4. In most plants, the first wall between the two cells in zygote is tran...

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  5. The aleurone layer of endosperm in monocot seed is related to

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  6. The maximum ploidy seen in the secondary nucleus is

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  7. Which cell of the gametophyte of a normal angiosperm (Capsella) is dip...

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  8. In monocot embryo,

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  9. A nuclear endosperm at a very stage of development

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  10. After the seedling begins to photosynthesise, the cotyledons

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  11. Formation of embryo directly from nucellus and integument is

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  12. Despite high level of heterozygosity, the progeny derived from a seed ...

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  13. The orthid flowers emit a chemical that resembles the odour produced b...

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  14. Development of a portophyte directly from the gametophytic tissue is c...

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  15. What is the function of tapetum in a developing anther?

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  16. An orchid resembles female of an insect so as to get pollinated. The p...

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  17. Movement of pollen tube towards embryo sac is

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  18. Pollen grains are able to tolerate extremes of temperature and desicca...

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  19. Cross pollination is preferred over self pollinationn because it

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  20. During formation of pollen grains, a microspore mother cell undergoes

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