Question

The given table enlists various compounds containing plant hormones and their function in agriculture.

No.	Compound	Function
1	2, 4-D	i
2	ii	Fruit ripening

The information in which alternative completes the given table?

• A. i-Weedicide; ii–Ethephon
• B. i-Insecticide; ii–Ethephon
• C. i-Insecticide; ii–Kinetin
• D. i-Weedicide; ii–Kinetin

Answer 1

The correct option is A i-Weedicide; ii–Ethephon

Weedicide such as 2, 4-D is widely used to kill dicotyledonous weeds, which does not affect mature monocotyledonous plants. It is used to prepare weed-free lawns by gardeners.

Ethephon is a plant growth regulator used to promote fruit ripening, abscission, flower induction, and other responses. Ethephon is registered for use on a number of food, feed and nonfood crops, greenhouse nursery stock, and outdoor residential ornamental plants, but is used primarily on cotton. The ethephon hastens fruit ripening in tomatoes and apples and accelerates abscission in flowers and fruits.

So the correct answer is option "a".