A) removing androecium of flowers before pollen grains are released
B) treating the plants with low concentrations of gibberellic acid and auxins
C) raising the plants from vernalized seeds
D) treating the plants with phenylmercuric acetate
Correct Answer: B
Solution :
Parthenocarpy is the development of fruits without prior fertilisation which results in the formation of seedless fruits. In some plant species, parthenocarpic (seedless) fruits may be produced naturally or they may be induced by treatment of the unpollinated flowers with auxin, e.g., parthenocarpic tomato fruits can be produced by treating the plants with low concentration of gibberellic acid (promotes fruit set) and auxin (completes the development process). Removal of androedum, before pollen release is called emasculation which is helpful in preventing unwanted pollination. Vernalized seeds are the chill treated seeds for breaking dormancy. Phenyl mercuric acetate is an antitranspirant.
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