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Which one of the following growth regula...

Which one of the following growth regulators is known as stress hormotes ?

A

Abscisic acid

B

Ethylene

C

`GA_(3)`

D

Indole acetic acid

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The correct Answer is:
A
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AAKASH SERIES-PLANT GROWTH AND DEVELOPMENT -EXERCISE -III (PREVIOUS AIPMT/NEET QUESTIONS)
  1. What causes a green plant exposed to the light on only one side, to be...

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  2. Typical growth curve in plants is

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  3. Which one of the following growth regulators is known as stress hormot...

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  4. Dr. F. Went noted that if coleoptile tips were removed and placed on a...

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  5. During seed germination its stored food is mobilized by

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  6. Vernalisation stimulates flowering in

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  7. Through their effect on plant growth regulators, what do the temperatu...

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

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  9. Root development is promoted by -

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  10. One of the commonly used plant growth hormone in tea plantation is

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  11. Coiling of garden pea tendrils around any support is an example

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  12. Phototropic curvature Is the resutt of uneven distribution of

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

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  14. One of the synthetic auxin is

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  15. Senescence as an active developmental cellular process in the growth a...

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  16. Importance of day length ( photoperiodism ) in flowering of plants was...

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  17. The wavelength of light absorbed by Pr form of phytochrome is (A) 680...

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

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  19. Opening of floral buds into flowers, is a type of

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  20. An enzyme that stimulates germination of barley seeds is

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