Topic Variation
Asked 2 times across 2 UPSC exams over 1 years (2020–2021), peaking in 2021.
Key insights
- Most tested in CDS — 1 of 2 PYQs
- Most asked in 2021
- Recurs across 2 years (2020–2021)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
EPFO 2020 → CDS 2021
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.
CDS2021
Which one of the following statements about variations is not true?
- A Variation is minimum in asexual reproduction.
- B All variations in a species have equal chances of survival. ✓
- C Changes in genetic constitution result in variation.
- D Variants can be selected by environmental factors.
✓ Correct answer: (B)
Science & Technology › Biotech & Genetics
EPFO2020
If 'a', 'b' are the such which of the following statements is/are correct ?
- n^th root of a^n b varies as (2n)^th root of a^q b²
- a/b², b be the such varies inversely as b
Select the correct answer using the code given below :
- A 1 only
- B 2 only
- C Both 1 and 2 ✓
- D Neither 1 nor 2
✓ Correct answer: (C)
Quantitative Aptitude › Algebra
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