question_answer 12)

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)

Answer:

                Ethylene is a gaseous hormone and is produced by the ripened fruits and also help in ripening of other un ripened fruits. Other mentioned functions are not of ethylene.