Q. Macronutrients like carbon, hydrogen and oxygen are obtained mainly from
A) $CO_{2}$
B) $H_{2}O$
C) Both (a) and (b)
D) Soil
Explanation
Of the known macronutrients, carbon, hydrogen and oxygen are mainly obtained from $CO_{2}$ and $H_{2}O$, while the others are absorbed from the soil as mineral nutrients
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.