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Which one of the following is not a devi...

Which one of the following is not a device to promote cross-pollination ?

A

Cleistogamy

B

Heterostyly

C

Herkogamy

D

Dichogamy

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The correct Answer is:
A
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MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANT-EXERCISE
  1. Unisexuality of flowers prevents :

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  2. Which of the following shows triploid nature in flowering plants ?

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  3. Which one of the following is not a device to promote cross-pollinatio...

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  4. Ornithophily refers to the pollination by which of the following ?

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  5. The water of green coconut is :

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  6. The hilum and micropyle lie side by side very close to each other in :

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  7. Embryo axis above the cotyledon is celled as :

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  8. Fusion of male gamete with polar nuclei of embryo sac is known as :

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  9. Vegetative fertilisation is also called :

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  10. The residual persistent nucellus is known as :

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  11. The female gametophyte in angiosperm is

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  12. The egg apparatus of angiosperm comprises :

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  13. The type of pollination involving transfer of pollen grains from anthe...

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  14. Transfer of pollen grains from one flower to another flower of the sam...

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  15. Ovule integument gets transformed into :

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  16. What would be the number of chromosomes of the aleurone cells of a pla...

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  17. Which one of the following pollination autogamous ?

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  18. In angiosperms, functional megaspore develops into :

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  19. The presence of filiform apparatus is the characteristic feature of

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  20. Wind pollination is common in :

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