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Cut or excised leaves remain green for l...

Cut or excised leaves remain green for long if induced to root of dipped in

A

gibberellins

B

cytokinins

C

auxins

D

ethylene

Text Solution

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The correct Answer is:
B
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ARIHANT NEET-PLANT GROWTH AND DEVELOPMENT -CHAPTER EXERCISES ( TAKING IT TOGETHER )
  1. Hormone that has negative effect on apical dominance is

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  2. The hormone which promotes flowering in long day conditions and contro...

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  3. Cut or excised leaves remain green for long if induced to root of dipp...

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  4. Which amongst the following is a natural growth inhibitor

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  5. The metabolic precursor for the synthesis of ethylene is

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  6. Apples are generally wrapped in waxed paper to

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  7. The phenomenon of climacteric respiration in a ripening fruit refers t...

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  8. The basipetal and lateral transport of auxins is inhibited by

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  9. Ethylene is connected with

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  10. Which one o f the following plant hormone (phytomone ) Is know as a st...

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  11. Indentify the statement which is incorrect about seed dormancy.

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  12. Indentify the statement which is incorrect about scarification of seed...

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  13. The flowering in Ribes nigrum can be induced by

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  14. Increased availability of abscisic acid stimulates

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  15. ABA acts antagonistic to

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  16. Phenolic inhibitors occur in plants as

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  17. Pomalin is used to enlarge fruits of

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  18. Seed dormancy can be broken by

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  19. The flowering respones of plants can be changed by

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  20. In many plants the change over from vegetative to reproductive phase t...

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