2004 General Studies, all questions

UPSC Prelims 2004 · General Studies

Question 108: Science and Technology

The research work of Paul Lauterbur and Peter Mansfield, the Nobel Prize winners for Medicine in 2003, relates to

aThe control of AIDS
bMagnetic resonance imaging
cRespiratory diseases
dGenetic engineering

AnswerThe answer is (b).

Paul Lauterbur and Peter Mansfield shared the 2003 Nobel Prize in Physiology or Medicine for their discoveries concerning magnetic resonance imaging (MRI), the scan that images soft tissue without X-rays. Remember: Nobel Medicine 2003, MRI. The scan uses magnetic fields and radio waves, not X-rays, and is widely used for the brain and joints.

Why each option is right or wrong
  • (a) Their work was not on AIDS.
  • (b) Correct: their work led to magnetic resonance imaging.
  • (c) Their work was not on respiratory diseases.
  • (d) Their work was not on genetic engineering.

Explanation: written by UPSC Grade, not by UPSC.

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Source: UPSC, Civil Services (Preliminary) Examination 2004, General Studies. UPSC's own paper isn't online; the words are from a published compilation. The paper on upsc.gov.in.