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Which one prevents premature fall of fru...

Which one prevents premature fall of fruit ?

A

`GA_3`

B

NAA

C

Ethylene

D

Zeatin

Text Solution

Verified by Experts

The correct Answer is:
B
NAA (Naphthalene Acetic Acid) is a synthetic auxin hormone which is useful for preventing pre-harvest fruit drop of tomatoes
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-Plant Growth and Development -Exercise
  1. Plants deficient of element zinc, show its effect on the biosynthesis ...

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  2. Hormone responsible for ageing is

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  3. Which one prevents premature fall of fruit ?

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  4. Hormone that breaks dormancy of seeds/potato tuber is

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  5. Which of the folloewing is a long day plant

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  6. Protienaceous pigment which is the centre of the activities concerned ...

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  7. Which method makes the seed coat permeable and allows growth of embryo...

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  8. What reason will you assign for coconut milk used in tissue culture?

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  9. Geocarpic fruits are produced by

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  10. The closing and opening of the leaves of Mimosa pudica is due to

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  11. Which combination of gases is suitable for fruit ripending

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  12. The response of different organisms to environmental rhythms of light ...

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  13. A plant hormone used for inducing morphogenesis in plant tissure is ...

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  14. The pigment which mainly absorbs red and far-red radiation in plants, ...

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  15. Gibberellins induce

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  16. What will be the effect on photochrome in a plant subjected to contino...

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  17. If a tree flowers thrice in a year (October, January and july) in noth...

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  18. Ethylene gas is used for

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  19. Movement of auxin is

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  20. Removal of apical bud results in

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