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