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How does abscisic acid act antagonistica...

How does abscisic acid act antagonistically to auxins and gibberellins?

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**Step-by-Step Solution:** 1. **Understanding Plant Hormones:** - Plant hormones, or phytohormones, are chemical substances that regulate various aspects of plant growth and development. The primary hormones discussed here are auxins, gibberellins, and abscisic acid (ABA). 2. **Role of Gibberellins:** - Gibberellins are known for promoting seed germination. They activate the synthesis of enzymes like amylase, which breaks down stored starch into sugars. These sugars provide the necessary energy for the seed to germinate. ...
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MODERN PUBLICATION-PLANT GROWTH AND DEVELOPMENT-REVISION EXERCISES (Short Answer Questions )
  1. Would you expect soyabean plants to flower if given a daily light expo...

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

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

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

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

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

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

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

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

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

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

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

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  13. Write any four agricultural applications of ethylene.

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  14. Name the only gaseous natural plant hormone.

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  15. What is differentiation?

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  16. Define plasticity

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  17. Which parts of plant produce cytokinins?

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  18. What is sigmoid growth curve ?

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  19. Why ABA is called stress hormone in plants?

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  20. What do you mean by apical dominance? Which hormone controls it?

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