PRELIMS 2015 · AGRICULTURE & FOOD SECURITY

The substitution of steel for wooden ploughs in agricultural production is an example of

Attempt this previous-year question. The correct option stays hidden until you choose.

Question

The substitution of steel for wooden ploughs in agricultural production is an example of

Pick an option to check yourself.

Keep going in GyanGram.

Attempt Prelims MCQs or open Mains questions by paper — then continue the same bank inside the app with visual decks.