Explanation
- A
Only one
Only one. None of the three is fifth-generation.
- B
Only two
Only two. Rafale, MiG-29 and Tejas Mk-1 are 4 / 4.5 gen.
- C
All three
All three. Fifth-gen examples are F-22, F-35, Su-57, J-20 — not this list.
- D
None
None. All three are 4th / 4.5th generation fighters.
Summary. Official key is (d) none. Rafale is 4.5-generation, MiG-29 is 4th-generation, Tejas Mk-1 is a 4th / light combat aircraft. None is a fifth-generation stealth fighter.
Same topic · past papers
UPSC has asked this before
These previous-year questions sit on the same topic. Open one to practise the earlier ask.
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2023 · Q60 · General Studies · 2 marks
With reference to green hydrogen, Consider the following statements : 1. It can be used directly as a fuel for internal combustion. 2. It can be blended with natural gas and used as fuel for heat or power generation. 3. It can be used in the hydrogen fuel cell to run vehicles. How many of the above statements are correct?