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Topic Excretory system
Asked 3 times across 2 UPSC exams over 10 years (2014–2024), peaking in 2014.
Key insights
- Most tested in CDS — 2 of 3 PYQs
- Most asked in 2014
- Recurs across 3 years (2014–2024)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CDS 2014 → NDA 2024
How the concept evolved
Rising — more than half its appearances (2 of 3) are since 2016.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
NDA2024
Which part of nephron of the human kidney is responsible for filtration of blood for excretion ?
- A Collecting duct
- B Renal vein
- C Ureter
- D Bowman's capsule ✓
✓ Correct answer: (D)
Science & Technology › Biology & Health
CDS2020
Which one of the following is the correct sequence of organs that occur in the path of urine flow in human body?
- A Kidney, ureter, urinary bladder, urethra ✓
- B Kidney, urinary bladder, ureter, urethra
- C Kidney, ureter, urethra, urinary bladder
- D Urinary bladder, kidney, urethra, ureter
✓ Correct answer: (A)
Science & Technology › Biology & Health
CDS2014
Which one among the following is the correct pathway for the elimination of urine?
- A Kidneys, Ureters, Bladder, Urethra ✓
- B Kidneys, Urethra, Bladder, Ureters
- C Urethra, Ureters, Bladder, Kidneys
- D Bladder, Ureters, Kidneys, Urethra
✓ Correct answer: (A)
Science & Technology › Biology & Health
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