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Topic River basins
Asked 3 times across 3 UPSC exams over 2 years (2023–2025), peaking in 2023.
Key insights
- Most tested in CSE — 1 of 3 PYQs
- Most asked in 2023
- Recurs across 3 years (2023–2025)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 2023 → CDS 2024 → CISF 2025
How the concept evolved
Rising — more than half its appearances (3 of 3) 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.
CISF2025
Which of the following states is/are not a part of the Narmada basin ?
- Chhattisgarh
- Gujarat
- Maharashtra
- Rajasthan. Select the answer
using the code given below :
- A 1 only
- B 1 and 2
- C 3 and 4
- D 4 only ✓
✓ Correct answer: (D)
Geography › Physical Geography of India
CDS2024
Which of the following states is/are part of the Ganga Basin ?
- Chhattisgarh
- Himachal Pradesh
- Rajasthan Select the answer
using the code given below :
- A 1 only
- B 1 and 2 only
- C 2 and 3 only
- D 1, 2 and 3 ✓
✓ Correct answer: (D)
Geography › Physical Geography of India
CSE2023
Which one of the following is a part of the Congo Basin?
- A Cameroon ✓
- B Nigeria
- C South Sudan
- D Uganda
✓ Correct answer: (A)
Geography › World Regional Geography
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