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Gibberellins do not cause...

Gibberellins do not cause

A

shortening of gentically tall plants

B

stimulation of seed germination

C

promotion of parthenocarpy

D

induction of `alpha`-amylase in barley

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The correct Answer is:
A
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Why do gibberellins not enhance the growth of isolated plant parts ?

Assertion : Gibberellins cause fruits like apple to elongate and improve its shape. Reason : GA_(3) is used to speed up the malting process in brewing industry.

Gibberellins bring about

Gibberellins cause parthenocarpy in some type of fruits.

ARIHANT NEET-PLANT GROWTH AND DEVELOPMENT -CHAPTER EXERCISES ( TAKING IT TOGETHER )
  1. Which of the following physiological effects is caused in plants by gi...

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  2. Gibberellins can promote seed germination because of their influence o...

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  3. Gibberellins do not cause

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  4. Gibberellin application to a plant can induce the following

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  5. Seedless watermelons have been obtained through

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  6. Which one does not affect apical dominance ?

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  7. Which of the following hormone is concerned with malting?

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  8. To increase sugar production in sugarcanes, they are sprayed with

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  9. Antigibberellin is

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  10. The cytokinins, besides C, H, O contain

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  11. Biosynthesis of cytokinin takes place via

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  12. Which of the following type of phytohormones resemble the nucleic acid...

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  13. Coconut milk contains

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  14. When a plant is not reproducing, most of its cytokinins are produced i...

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  15. Hormone discovered through tissue culture technique is

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  16. Which of the following is not a bioassary for cytokinins?

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  17. A non - purine compound showing cytokinin activity is

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  18. The senescence of detached leaves can be delayed by the application of

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  19. The excised leaves of barely remain green for a longer period in cyt...

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  20. The effect of apical dominance can be overcome by which of the followi...

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