Question

Karan was studying about crops. He studied that just like humans, plants also require certain nutrients which are essential for proper growth. He observed that the plants in the kitchen garden maintained by his mother were not healthy. He told his mother

Answer 1

1. Macronutrients (nitrogen,calcium)  and micronutrients (iron,zinc)

2. Deficiency of these nutrients affects physiological processes in plants including reproduction, growth , and suspectibility to diseases.

3. a Karan is caring about the environment.
    b Karan knows the values of the plants.