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The correct answer is option (c): 2 and 3. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
This question was asked in UPSC CSE Prelims 2005, GS Paper 1, as Question 74. It falls under Science & Technology > Science & Technology Institutions.
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
UPSC has asked 11 questions from Science & Technology Institutions (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.