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Which one of the following generally act...

Which one of the following generally acts as an antagonist to gibberellins

A

Zeatin

B

Ethylene

C

ABA

D

IAA

Text Solution

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The correct Answer is:
C
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MODERN PUBLICATION-PLANT GROWTH AND DEVELOPMENT-COMPETITION FILE ( OBJECTIVE TYPE QUESTIONS (A. MULTIPLE CHOICE QUESTIONS (MCQs):))
  1. The study of phototropic response lead to the discovery of

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  2. Bolting may be induced by

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  3. Day neutral plant relates to

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  4. Auxanometer is used to measure

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  5. Internodal elongation is associated with:

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

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

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  8. Vernalization stimulates flowering in

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  9. To speed up the malting process in brewing industry the growth hormone...

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  10. Which of the following is not a physiological effect/ an influence of ...

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  11. One harmone is used to speed up the malting process in barely, another...

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  12. Cell division in plants is promoted by:

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

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  14. F. Went noted that if coleoptile tips were removed and placed on agar ...

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  15. To induce formation of organs in a callus it os necessary to provide

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  16. The hormone that promotes rapid elongation of intermodes or leaf base ...

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  17. One hormone hastens maturity period in juvenile conifers, a second hor...

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  18. Auxin can be bioassayed by

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  19. You are given a tissue with its potential for differentiation in an ar...

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  20. Fruit and leaf drop at early stages can be prevented by the applicatio...

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