One hormone helps in ripening of fruits while the other stimulates closure of stomata. These are respectively ..................
A
Abscisic acid and auxin
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B
Ethylene and abscisic acid
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C
Anscisic acid and rthylene
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D
Ethylene and gibberellic acid
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E
Gibberellic acid and abscisic acid
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Solution
The correct option is B Ethylene and abscisic acid Ethylene hormone in plants helps in ripening of fruits. Abscisic acid is known for its inhibiting nature in growth. It causes bud dormancy in several plants. It also causes closure of stomata to minimize the loss of water by transpiration.