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Which of the following increases the tol...

Which of the following increases the tolerance of plants to various kind of stresses?

A

ABA

B

`C_2""H_4`

C

Auxin

D

None 2

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The correct Answer is:
A
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MOTION-PLANT GROWTH AND DEVELOPMENT-Exercise - 2
  1. Which causes fruits like apple to elongate & improve its shape ?

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  2. 2, 4-D does not affect :

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  3. Which of the following increases the tolerance of plants to various ki...

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  4. Which of following is used to speed up the malting process?

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  5. Cells/tissues drising out of the same meristem have different structur...

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  6. The gaseous plant growth regulator ethylene could fit in the group of ...

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  7. Which of the following physiological effects, is common to both Auxins...

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  8. PGR of which of the following chemical nature, is helpful in wine prod...

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  9. Which of the following is not correctly matched?

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  10. Trees showing seasonal activities represents what kind of growth curve...

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  11. Select out the incorrect match :

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  12. Parenchymatous cell that are made to divide under controlled laborator...

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  13. Regarding factors affecting the development, PGR is the :-

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  14. Induction of rooting in stem cutting by auxin treatment would be benef...

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

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  16. Why is vivipary an undesirable character for annual crop plants ?

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  17. Which of the following activities do not involve the role of GA?

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  18. Removal of shoot tips (decapitation) usually results in the growth of ...

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  19. Arithmatic growth is related to :-

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  20. Which plant hormone promotes the growth of lateral buds ?

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