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Parthenocarpic tomato fruits can be prod...

Parthenocarpic tomato fruits can be produced by

A

raising the plants from vernalized seeds

B

treating the plants with phenylmercuric acetate

C

removing androecium of flowers before pollen grains are released

D

treating the plants with low concentrations of gibberellic acid and auxins

Text Solution

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The correct Answer is:
D
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MOTION-PLANT GROWTH AND DEVELOPMENT-Exercise - 3
  1. How does pruning help in making the hedge dense

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  2. Parthenocarpic tomato fruits can be produced by

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  3. An enzyme that can stimulate germination of barley seeds is

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  4. Which one of the following pairs, is not correctly matched?

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  5. The wavelength of light absorbed by Pr form of phytochrome is

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  6. Foolish seedling disease of rice led to the discovery of

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  7. Senescence as an active devlopmental cellular process in the growth an...

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  8. Importance of day length in flowering of plants was first shown in

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  9. One of the synthetic auxin is

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  10. Which one of the following acids is a derivative of carotenoids?

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  11. The annular and spirally thickened conducting elements generally deve...

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  12. Phototropic curvature is result of uneven distribution of

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  13. Photoperiodism was first characterized in

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  14. Root development is promoted by

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  15. Which one of the following generally acts as an antagonist to gibberel...

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  16. Vernalisation simulates flowering in

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  17. Through their effect on plant growth regiulators, what do the temperat...

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  18. Dr. F. Went noted that is coleoptile tips were removed and placed on a...

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  19. A few normal seedlings of tomato were kept in a dark room. After few d...

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  20. Which one of the following growth regulators is known as 'stress hormo...

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