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Standard X
Biology
Types of Hormones
How ethylene ...
Question
How ethylene prolongs dormancy of lateral buds?
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Solution
Dear student,
Auxin triggers the formation of ethylene in lateral buds causing inhibition of growth of lateral buds. Due to the accumulation of ethylene in lateral buds prolong dormancy of lateral bud occurs.
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Q.
Match the following hormones with their functions.
Hormones
Function
1.Ethylene
i. Helps in cell division.
2.Gibberellin
ii. Induces dormancy in buds and seeds
3.Cytokinin
iii. Helps in the ripening of fruit
4.Abscisic acid
iv. Causes bolting in plants
Q.
Assertion :In the flowering plants due to higher accumulation of auxins dormancy of lateral buds occurs. Reason: In Maryland Mammoth (a tobacco variety) flowering occurred at different time at different latitude due to gibberellin concentration.
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Hormone involved in breaking dormancy of winter buds is
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Which of the following growth regulators break dormancy in seeds and buds?
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Bud dormancy is induced by
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