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The generative cell of a two-celled poll...

The generative cell of a two-celled pollen divides in the pollen tube but not in a three-celled pollen. Give reasons.

A

(2), (3), (1), (5), (4)

B

(3), (2), (1), (5), (4)

C

(3), (4), (2), (1), (5)

D

(2), (1), (5), (4), (3)

Text Solution

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The correct Answer is:
B
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  2. Which is the characteristics of the flower in plants possessing wind p...

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  3. The generative cell of a two-celled pollen divides in the pollen tube ...

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  4. Which is the largest nucleus in pollen grain? (A) gamete nucleus (B...

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  5. There are ….. In embryo sac (A) 8 cell, 7 nuclei (B) 7 cells, 7 nuc...

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  6. How are synergid cells in chromosomal point of view? (A) Haploid (B...

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  7. Double fertilisation is a unique characteristics of which plant? (A) ...

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  8. Generally, by fertilisation of mature egg cells, which cells possess n...

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  9. The formation of 256 pollen grains is done by how many meiotic divisio...

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  10. Which is called male reproductive organ of the following ? (A) Coroll...

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  11. Anther generally consists of…… (A) one microsporangia (B) two micro...

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  12. In a pollen grain larger irregular shaped nucleus is (A) archesporica...

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  13. A microspore mother cell forms (A) embryo sac (B) pollen Grains (...

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  14. The ovule is attached to the placenta by a small stalke which is known...

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  15. How many megaspore mother cells are produced in a Nucellus? (A) Two ...

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  16. What forms when meiotic division in an ovule takes place? (A) Archesp...

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  17. The mature embryosac has how many cells?

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  18. Transfer of pollen to the stigma of another flower of the same plant i...

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  19. Hydrophily occurs in which plant? (A) Vallisnaria (B) Maize (C) G...

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