Question

Potassium is used as fertilizer for which purpose?

(a) Development of stems and leaves

(b) Accelerating seeding

(c) To prevent disease

(d) Early stages of plant growth

I had been asked this question in an interview for internship.

This question is from Inorganic Chemical in chapter Inorganic Chemical Industries of Chemical Technology

Answer 1

Right choice is (c) To prevent disease

For explanation: Potassium is supplied in the soil to prevent disease and to lessen the effects of excessive nitrogen application. Accelerating seeding is done by phosphorus, early stages of plant growth and development of stems and leaves are done by nitrogen.