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In maority of the angiosperm, the ……..me...

In maority of the angiosperm, the ……..megaspore is functional.

A

micropylar

B

chalazal

C

both a and b

D

None of these

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B
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In angiosperms the

Angiosperms

In angiosperms

In the majority of flowering plants, the megaspore is functional while the other three degenerate

Read the following statements and find out the incorrect statements. a. Ovules generally differentiate single megaspore mother cell (MMC) in the chalazal region of the nucellus. b. The MMC undergoes reduction division and produces four megaspores. c. In a majority of angiosperms, one of the megaspore is degenerated while the other three remains functional. d. The nucleus of the functional megaspore divides mitotically three times and form 2-nucleate, 4-nucleate and later 8-nucleate stages of the embryo sac. e. These mitotic division are strictly free nuclear, that is, nuclear division are immediately follwed by cell wall formation.

During sexual reproduction in angiosperm, the megaspore is produced by

Assertion : In majority of angiosperms, there is monosporic type of embryo sac development. Reason : The embryo sac develops from the single functional megaspore.

ARIHANT NEET-SEXUAL REPRODUCTION IN FLOWERING PLANTS -MEDICAL ENTRANCE EXAMS
  1. In maority of the angiosperm, the ……..megaspore is functional.

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  2. Pollination in water by hyacinth and water lily is brought about by th...

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  3. the ovule of an angiosperm is technically equivalent to

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  4. In majority of angiosperms:

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  5. Which of the following statements is not correct?

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  6. Seed formation without fertilization in flowering plants involves the...

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  7. The hilum is a scar on the :

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  8. Which one of the following may require pollinators but is generaticall...

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  9. Which of the following statement is not true?

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  10. Which of the following are the important floral rewards to the animal ...

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  11. Filifom apparatus is characteristic feature of :

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  12. In angiosperm , microsporogenesis and megasporogenesis :

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  13. The wheat grain/maize grain has an embryo with one, large, shield shap...

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  14. Coconut water from a tender coconut is:

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  15. Which of the following is not properly matched case of angiosperms?

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  16. Embryo development other than the egg cell of haploid embryo sac from ...

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  17. Meiosis of megaspore mother cell generally produces

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  18. "Isobilateral type" of microspore arrangement in tetrad is present in

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  19. Fibrous bands develop in the cells of anther wall layer known as

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  20. Chalazogamy occurs in

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  21. Egg of female gametophyte is accompained by

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