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The phenomenon of apical dominance can b...

The phenomenon of apical dominance can be overcome by exogenous application of

A

auxins

B

gibberellins

C

cytokinins

D

ethylene

Text Solution

Verified by Experts

The correct Answer is:
C
Presence of cytokinin in an area caues preferetial movement of nutrients towards it. When applied to lateral buds, they help in their growth despite the presence of apical bub. They thus act antagonistically to auxin which promotes apical dominance. Therefore, cytokinin can overcome apical dominance, caused by auxins.
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NCERT FINGERTIPS ENGLISH-PLANT GROWTH AND DEVELOPMENT-Plant growth regulators
  1. In plant tissue culture experiments, high auxin to cytokinin ratio fav...

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

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  3. The phenomenon of apical dominance can be overcome by exogenous applic...

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  4. Phytohormone A causes apical dominance while phytohormone B overcomes ...

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  5. Hormone that promotes growth of lateral buds and has negative effect o...

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  6. Auxin and cytokinin are antagonistic in which of the following funtion...

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  7. Induction of cell division activity and delay in senescence is caused ...

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  8. Cytokinins help to produce all except

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  9. Which among the following is not a function of cytokinis?

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  10. Match column I with column II and select the correct option from the c...

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  11. Read the given statements and select the correct option. Statement 1...

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  12. Arifical ripening of fruits is caused by the treatment of

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  13. If a rotten fruit gets mixed with unripe fruits, the unripe fruits wil...

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  14. The most widely used compound as a source of C(2)H(4) is

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  15. Read the given statements to identify the phytohormone that performs t...

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  16. Gibberellins promote the formation of ul(A)flowers on genetically ul(B...

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  17. A farmer grows cucumber plants in his field. He wants to increase the ...

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  18. Seed dormancy is caused by

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  19. Select the mismatched pair.

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  20. Read the given statements and identify the plant hormones X,Y and Z. ...

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