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Science TNSB Mentoring
Class 10
Plant and animal hormones
Plant and Animal Hormones
6.
Gibberellins, ethylene and abscissic acid
Question:
3
m.
Choose the best ones:
(Note:
In some of the questions more than one answer in correct).
1.
The active substance found in the fungus
Gibberella fujikuroi
is
Ethylene
Auxins
Cytokinins
Gibberellic acid
2.
Which one of these is correct regarding the physiological effects of ethylene?
Ethylene is a gas that promotes the ripening of fruits such as mango
Ethylene slows down the senescence of leaves and flowers
Ethylene promotes the elongation of the stem and root of dicots
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