BPSC – Combined Competitive Examination · Question 31
Which component of fertiliser is used for stimulating early growth (root development)?
Show answer & explanation
Answer: (D) Phosphorus
Explanation
In NPK, phosphorus supports early root growth, nitrogen leaf growth, and potassium overall vigour.
- (A) Incorrect
Wrong: potassium mainly aids disease resistance and quality.
- (B) Incorrect
Wrong: nitrogen mainly drives leafy (vegetative) growth.
- (C) Incorrect
Wrong: not a fertiliser nutrient.
- (D) Correct
Correct: phosphorus promotes early root development and establishment.