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MODERN PUBLICATION-PLANT GROWTH AND DEVELOPMENT-REVISION EXERCISES (Short Answer Questions )
- Which among the following is a long day plant ? Why is it so called ? ...
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- Write the full forms of two synthetic auxins NAA and IBA. What for are...
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- What induces ethylene formation in plants? Give two different actions ...
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- What is the effect of each of the following on germination of seeds: ...
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- Differentiate between quiescence and dormancy with reference to seed g...
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- What is meant by bioassay ? Name any two bioassays for auxins.
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- Name the hormone that acts as an antagonistic to ABA. From which micro...
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- What is meant by abscission? Name the phytohormone involved in it.
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- List the four ways how the use of auxins may help in obtaining better ...
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- Write any four agricultural applications of ethylene.
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- Name the only gaseous natural plant hormone.
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- What is differentiation?
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- Define plasticity
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- Which parts of plant produce cytokinins?
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- What is sigmoid growth curve ?
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- Why ABA is called stress hormone in plants?
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- What do you mean by apical dominance? Which hormone controls it?
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- Give a brief account of photoperiodism.
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- Where are auxins generally produced in a plant? Name any one naturally...
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- What is photoperiodism and vernalisation? Describe their significance.
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