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In angiosperms, functional megaspore dev...

In angiosperms, functional megaspore develops into

A

Endosperm

B

Pollen sac

C

Embryo sac

D

Ovule

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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.

In angiosperms the oospore on development produces

MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Competition File (Objective Type Questions (MCQ))
  1. To meet the demands of the society, in vitro production of a large num...

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  2. Which of the following statements about sporopollenin is false?

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  3. In angiosperms, functional megaspore develops into

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  4. In which one of the following pollination is autogamous ?

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  5. Wind pollination is common in

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  6. Filiform apparatus is a characteristic feature of

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  7. Nucellar polyembryony is reported in species of

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  8. A haploid plant produces male or female gametes by

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  9. The type of pollination which brings genetically different types of po...

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  10. Embryo sac is also known as

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  11. Which one of the following statements is wrong?

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  12. Plants with ovaries having only one ore a few ovules are generally pol...

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  13. What is the function of germ pore?

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  14. The innermost wall layer of microsporangium nourishing the developing ...

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  15. The type of pollination in which genetically different pollen grains a...

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  16. Sporopollenin an organic material is present in

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  17. In general, pollen tube enter the ovule through

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  18. Transfer of pollen grains from anther to the stigma of another flower ...

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  19. The endosperm cells in angiosperms are

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  20. The fleshy edible part of an apple is

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