Home / Topic / Fertilizers
Topic Fertilizers
Asked 2 times across 2 UPSC exams over 3 years (2021–2024), peaking in 2021.
Key insights
- Most tested in CDS — 1 of 2 PYQs
- Most asked in 2021
- Recurs across 2 years (2021–2024)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CDS 2021 → NDA 2024
How the concept evolved
Rising — more than half its appearances (2 of 2) are since 2016.
Related concepts
Ideas UPSC tests alongside this one — keep exploring.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
NDA2024
Which one among the following fertilizers is a source of nitrogen ?
- A Superphosphate
- B Potassium sulfate
- C Bone meal
- D Urea ✓
✓ Correct answer: (D)
Science & Technology › Physics & Chemistry
CDS2021
Fertilizers are used to obtain higher yields of crops. However, all nutrients are usually not available in fertilizers. Which of the following nutrients is usually not available in fertilizers?
- A Iron ✓
- B Potassium
- C Nitrogen
- D Phosphorus
✓ Correct answer: (A)
Science & Technology › Physics & Chemistry
Study how UPSC repeats — not just the papers
₹199 / 1 year · Founding Member
Full access unlocks the three things no PYQ PDF gives you:
① Cross-exam learning — see the same idea recur across CSE, CAPF, CDS and NDA.
② Topic evolution — how each idea is framed, year by year.
③ Question intelligence — every PYQ + answer, linked to related concepts and similar questions.
e.g. Round Table Conference: CDS 2017 → CSE 2017 → … → CAPF 2024
15 days free, no card required — then ₹199 for 1 year.
Start your 15-day free trial →