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Topic

Pollination

Asked 4 times across 2 UPSC exams over 7 years (2017–2024), peaking in 2017.
4
PYQs
2
Exams
4
Years active
2017–2024
Span
2017
Peak
4/4
Answers
📅 Full chronological timeline →

Key insights

  • Most tested in CSE — 2 of 4 PYQs
  • Most asked in 2017
  • Recurs across 4 years (2017–2024)

How it travelled across exams

First appearance in each exam — the same idea, reframed.
CSE 2017 NDA 2021

How the concept evolved

117
121
123
124
Rising — more than half its appearances (4 of 4) 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.
CSE2024
Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree ?
  1. A Fig ✓
  2. B Mahua
  3. C Sandalwood
  4. D Silk cotton
✓ Correct answer: (A)
Science & Technology › Biology & Health
NDA2023
Relationship between a flower and honey-bee will help the flower for/in
  1. A Faster development
  2. B Pollination ✓
  3. C Quick germination of pollen
  4. D Increase in size
✓ Correct answer: (B)
Science & Technology › Biology & Health
NDA2021
In a typical flower, germinating pollen grains pass through several parts of the gynoecium before they reach the ovule. A list of the parts of gynoecium is given below in different combinations. Choose the combination that represents the correct sequence of pollen tube pathway/journey :
  1. A Style, Stigma, Ovary
  2. B Stigma, Style, Ovary ✓
  3. C Pistil, Stigma, Ovary
  4. D Ovary, Pistil, Style
✓ Correct answer: (B)
Science & Technology › Biology & Health

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