Growth regulator ethylene is used for

Retarding ripening of tomatoes

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Speeding up ripening of fruits

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Slowing down ripening of apples

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Both B and C

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Solution

The correct option is C Speeding up ripening of fruits
Ethylene is a plant growth regulator. It is also called as ripening hormone as it is responsible for speeding up ripening of fruits. Fruit ripening is accompanied by increase rate of respiration. Due to increased respiration, complex carbohydrates are broken down into simpler sugars and cell wall becomes soft.
Thus, the correct answer is option B.

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Similar questions

Question 01:

Ethylene is used for
(a) retarding ripening of tomatoes
(b) hastening of ripening of fruits
(c) slowing down ripening of apples
(d) Both (b) and (c)

Q. Assertion :The most widely used compound as source of ethylene is ethephon. Reason: Ethephon hastens fruit ripening in tomatoes and apples and accelerates abscission in stems and leaves.

Q. Assertion : Ethylene cause climacteric ripening of fruits
Reason : Climacteric fruits show a rise in respiration at the time of ripening.

Q. Collect information about artificial ripening of fruits by ethylene.

Q. Assertion :Ethylene induces ripening. Reason: Ethylene is a gaseous hormone

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