BPSC – Combined Competitive Examination · প্রশ্ন 31
Which component of fertiliser is used for stimulating early growth (root development)?
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (D) Phosphorus
ব্যাখ্যা
In NPK, phosphorus supports early root growth, nitrogen leaf growth, and potassium overall vigour.
- (A) ভুল
Wrong: potassium mainly aids disease resistance and quality.
- (B) ভুল
Wrong: nitrogen mainly drives leafy (vegetative) growth.
- (C) ভুল
Wrong: not a fertiliser nutrient.
- (D) সঠিক
Correct: phosphorus promotes early root development and establishment.