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Mention two roles of gibberelin in plant...

Mention two roles of gibberelin in plants

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MODERN PUBLICATION-PLANT GROWTH AND DEVELOPMENT-REVISION EXERCISES (Short Answer Questions )
  1. Define senescence in plants. Name its different types.

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  2. Describe how auxins are related with bending of shoots towards the sou...

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  3. Mention two roles of gibberelin in plants

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  4. Would you expect soyabean plants to flower if given a daily light expo...

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  5. Would you expect soyabean plants to flower if given a daily light expo...

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  6. How does abscisic acid act antagonistically to auxins and gibberellins...

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  7. Which among the following is a long day plant ? Why is it so called ? ...

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  8. Write the full forms of two synthetic auxins NAA and IBA. What for are...

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  9. What induces ethylene formation in plants? Give two different actions ...

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  10. What is the effect of each of the following on germination of seeds: ...

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  11. Differentiate between quiescence and dormancy with reference to seed g...

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  12. What is meant by bioassay ? Name any two bioassays for auxins.

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  13. Name the hormone that acts as an antagonistic to ABA. From which micro...

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  14. What is meant by abscission? Name the phytohormone involved in it.

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  15. List the four ways how the use of auxins may help in obtaining better ...

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  16. Write any four agricultural applications of ethylene.

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  17. Name the only gaseous natural plant hormone.

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  18. What is differentiation?

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  19. Define plasticity

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  20. Which parts of plant produce cytokinins?

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