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Internodal elongation is stimulated by...

Internodal elongation is stimulated by

A

auxin

B

ABA

C

cytokinin

D

gibberellin

Text Solution

Verified by Experts

The correct Answer is:
D

Gibberellins specifically induce internodal elongation in genetically dwarf verieties of plants like pea and maize.
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NCERT FINGERTIPS-PLANT GROWTH AND DEVELOPMENT-Plant Growth And Development
  1. Dwarfness can be controlled by treating the plant with

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  2. Bolting, i.e. internode elongation just prior to flowering in beet, ca...

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  3. Internodal elongation is stimulated by

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  4. Which phytohormone would you use if you are asked to 'bolt' a rosette ...

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  5. Which of the following physiological effects is caused in plants by gi...

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  6. The activity of alpha-amylase in the endosperm of a germinating seed o...

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  7. Kinetin, a modified form of adenine was discovered from

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  8. Hormone primarily concern with cell division is

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

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  10. Natural cytokinins are synthesised in regions where rapid cell divisio...

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  11. What would happen if you forget to add cytokinin to the culture medium...

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  12. In addition to auxinsmust be supplied to culture medium to obtain a go...

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  13. In plant tissue culture experiments, high auxin to cytokinin ratio fav...

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

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  15. The phenomenon pf apical dominace can be overcome by exogenous applica...

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

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  17. Hormone that promotes growth of lateral buds and has nagative effect o...

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

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

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  20. Cytokinins help to produce all except

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