Seeds fail to emerge because they do not get oxygen for respiration which ultimately leads to the death of the seed.
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35.What is dormancy ?
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36.List any two inhibitory functions of auxins.
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37.What is efficiency index ?
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38.How will you induce lateral branching in a plant, which normally does not produce them ? Give reason in support of your answer.
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39. In most plants the terminal bud suppresses the development of lateral buds. What is this phenomenon called ? Name the phytohormone that can promote the phenomenon.
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40.Would you expect soyabean plants to flower, if given a daily exposure of 15 hours ? Give reasons
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