Question

Q1. What are macro-nutrients and why are they called macronutrients?

Answer 1

Explanation:

Ans:

Macro-nutrients are the fundamental elements that are used by plants in more quantity. Macro-nutrients needed by the plants are:

• Macro-nutrients as the constituent of protoplasm

• Phosphorus, Nitrogen, Sulphur are present in proteins

• Calcium is existing in cell wall

• Magnesium is significant component of chlorophyll

Answer 2

Explanation:

There are 16 basic essential nutrients required by the plants to grow. Carbon and Oxygen are supplied by water and the remaining nutrients are supplied through soil.