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Spraying sugarcane crop with a plant hor...

Spraying sugarcane crop with a plant hormone increases length of plants and increases yield by as much as 20 tonnes/acre. The hormone is

A

gibberellin

B

auxin

C

cytokinin

D

ABA

Text Solution

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The correct Answer is:
A
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ARIHANT NEET-PLANT GROWTH AND DEVELOPMENT -CHAPTER EXERCISES (MEDICAL ENTRANCES GALLERY )
  1. In flowering plants, the site of perception of light/dark duration is

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  2. If a plant produces flowers when exposed to alternating periods of 5 h...

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  3. Spraying sugarcane crop with a plant hormone increases length of plant...

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  4. Cells attaining their maximum size in terms of wall thickening and pro...

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  5. During seed germination its stored food is mobilised by

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  6. Movement of tendrils in response to touch is known as

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  7. The phytohormone, which helps in germination of seed is

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  8. Compare the statement A and B. Statement A Ethylene is a gas, which ...

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  9. Hormone replacing the requirement of vernalisation is

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  10. The rosette habit of cabbage can be changed by applicaton of

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  11. Apical dominance is caused by

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  12. Which of the following hormone promotes seed dormancy and bud dormancy...

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  13. A plant hormone used for inducing morphogensis in plant tissue culture...

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  14. The pigment sensitive for red and far-red light is

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  15. Fluorine ring is a feature of

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  16. Cell elongation in internodal regions of the green plants takes place ...

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  17. Day neutral plant relates to

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  18. Auxanometer is used to measure plant organ

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  19. Bolting may be induced by

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

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