Cell elongation in internodal regions of the green plants takes place due to:
Cytokinins
Gibberellins
Ethylene
Indole acetic acid
Additional Questions
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Which one of the following pairs, is not correctly matched? |
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Growth is a |
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An enzyme that can stimulate germination of barley seeds is |
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Dormancy in seeds of xanthium is due to |
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The seed which possess the ability to germinate in suitable favourable condition is called |
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The condition of viable seed when seeds do not germinate even in presence of favourable environmental condition is called |
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Softening or rupturing of hard seed coat for breaking dormancy is called |
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The chemical substances like phenolics, caumarins, ferulic acid are |
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Importance of day length in flowering of plants was first shown in: |
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The seeds which can not germinate in absence of light is called |
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