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Photoperiodism is associated with the fo...

Photoperiodism is associated with the formation of

A

auxin

B

florigen

C

vemalin

D

gibberellin

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The correct Answer is:
B
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TRUEMAN BIOLOGY-PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS -MULTIPLE CHOICE QUESTIONS
  1. Which one of the following statements is not correct regarding· vivipa...

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  2. Which of the following is a correct statement regarding the plant grow...

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  3. Photoperiodism is associated with the formation of

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  4. The wavelength of light absorbed by Pr form of phytochrome is

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  5. Which one of the following pairs, is not cor- rectly matched ?

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  6. Foolish Seedling disease of rice led to the discovery of

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  7. One of the synthetic auxin is

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  8. Cytokinins which have specific effect in cytokinesis are modified form...

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  9. Photoperiodism was first characterized in

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  10. Coiling of graden pea tendrils around any support is an example of

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  11. Phototropic curvature is result of uneven distribution of

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  12. Transport of cytokinin in the plant body is

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  13. Bolting hormone is

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  14. Auxanometer is used to measure plant organ

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  15. Which one of the following generally acts as an antagonist to gibberel...

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  16. Through their effect on plant growth regiulators, what do the temperat...

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  17. Apical dominance is caused by

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  18. The natural plant hormone isolated from cormn kernels and coconut milk...

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  19. Low temperature treatment to speed up the process of flowering is refe...

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  20. During seed germination, its stored food is mobilised by

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