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The first cell of female gametophyte is ...

The first cell of female gametophyte is
(A) megaspore
(B) microspore
(C) megaspore mother cell
(D) microspore mother cell

A

megaspore

B

microspore

C

megaspore mother cell

D

microspore mother cell

Text Solution

Verified by Experts

The correct Answer is:
C
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The formation of 256 pollen grains is done by how many meiotic division and from which cells? (A) 64 microspore mother cell (B) 128 microspore mother cell (C) 512 microspore mother cell (D) 256 microspore mother cell

Tetrasporic embryosac is one in which (A) four microspores form the embryosac (B) four megaspore mother cell form embryosac (C) Four megaspore form the embryosac (D) Four microspore mother cell form the embryosac

What forms when meiotic division in an ovule takes place? (A) Archesporium Tissue (B) Megaspore Mother cell (C) Megaspore (D) generative cell

The pollen grain is related to the embryo sac as (A) male gametophyte is to the egg (B) male gametophyte is to the female gametophyte (C) sperm is to the egg (D) sperm is to the female gametophyte

The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be (A) 20 (B) 10 (C) 40 (D) 15

During microsporogenesis, meiosis occurs in (A) Endothecium (B) Microspore mother cells (C) Microspore tetrads (D) Pollen grains

Who used the cell for the first time?

Double fertilization means (A) fusion of male gamete with antipodal cell (B) fusion of male gamete with synergid cell (C) fusion of male gamete with egg cell (D) fusion of male gamete with egg cell and another with secondary nucleus

KUMAR PRAKASHAN-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Section -F (Multiple Choice Questions)
  1. The chemical nature of the compound forming exine is…. (A) long chai...

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  2. Outermost layer of the pollen is formed from endothecium and is made u...

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  3. The first cell of female gametophyte is (A) megaspore (B) microspor...

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  4. Tetrasporic embryosac is one in which (A) four microspores form the e...

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  5. In angiosperm the resultant of secondary nucleus with male gamete has…...

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  6. Pick up correct statement for pollen tube (A) It is composed of three...

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  7. If the integuments are pierced by the pollen tube during fertilization...

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  8. The oospore derived from double fertilization in angiosperms is (A) h...

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  9. Ovule is comparable to (A) megasporangium (B) microsporangium (C)...

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  10. The endosperm of angiosperms is developed from (A) antipodals (B) z...

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  11. The phenomenon wherein, the ovary develops into a fruit without fertil...

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  12. Double fertilization means (A) fusion of male gamete with antipodal c...

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  13. Self-pollination occur between stamens and carpels of (A) same flower...

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  14. What is meant by emasculation? (A) Pollination between flower of same...

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  15. The term used when anther and stigmas of intersexual or perfect flower...

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  16. Self pollination is prevented by (A) Dichogamy (B) self sterility ...

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  17. Pollination which can occur in same plant is favoured by (A) herkogam...

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  18. ……favours autogamy (A) Dicliny (B) Dichogamy (C) Hekrogamy (D) ...

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  19. The flower may be of two or more types with regard to the length of st...

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  20. Allogamy has to be always performed with the help of (A) external age...

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