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Mixture of which one of the following pairs of gases is the cause of occurrence of most of the explosions in mines?
Robert Webster is known for his work associated with which one of the following?
Which of the following types is used by computed tomography employed for visualization of the internal structure of human body?
The correct answer is option (c): Both 1 and 2. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
This question was asked in UPSC CSE Prelims 2008, GS Paper 1, as Question 43. It falls under Science & Technology > Health & Diseases.
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
UPSC has asked 86 questions from Health & Diseases (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.