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Flower organs have evolved from modified...

Flower organs have evolved from modified

A

Leaves

B

Branches

C

Sporangia

D

Apical meristems

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The correct Answer is:
A
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AAKASH SERIES-SEXUAL REPRODUCTION IN FLOWERING PLANTS -EXERCISE - I (Introduction, Microsporophyll, Anther, Male gametophyte)
  1. Flower organs have evolved from modified

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  2. A typical anther of an angiosperm is

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  3. Male gametes are produced by

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  4. How many nuclei are present in a mature pollen?

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  5. The intine of a pollen grain is mainly made up of

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  6. The exine of a pollen grain is composed of one of the most resistant b...

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  7. Sculpturing of exine of pollen is important in

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  8. Male gaemtes in angiosperms are formed by the division of

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  9. In flowering plants, a mature male gametophyte is derived from a polle...

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  10. A plant has 24 chromosomes in microspore mother cell the number of chr...

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  11. Pollen grains are shed at which stage?

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  12. Fusion of male gamate with polar nuclei in embryo sac is known as

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  13. Tapetum is found in

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  14. Which one of the following statements is correct?

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  15. Exine of pollen grain in made up of

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  16. Pollen tablets are available in the market for :

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

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  18. In angiosperms how many male gametes are produced by one meiosis in on...

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  19. Male gaemtes in angiosperms are formed by the division of

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  20. If there are 40 pollen mother cells in anther, what will be the number...

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