Question

The pineapple which under natural conditions is difficult to blossom has been made to produce fruits throughout the year by application o

• A. IAA, IBA
• B. Phenyl acetic acid
• C. NAA, 2, 4-D
• D. Cytokinin

Answer 1

The correct option is C NAA, 2, 4-D

Plants such as pineapple which under natural conditions is difficult to blossom(flower)can be made to do so by spraying them with synthetic auxins such as 2,4-D(2,4-dichloro phenoxy acetic acid) and NAA (Naphtehle acetic acid).

So, the correct answer is 'NAA, 2, 4-D'.