2004 General Studies, all questions

UPSC Prelims 2004 · General Studies

Question 64: Geography

Which one of the following statements is correct?

aCirrus clouds are composed of ice crystals
bCirrus clouds exhibit a flat base and have the appearance of rising domes
cCumulus clouds are white and thin and form delicate patches and give a fibrous and feathery appearance
dCumulus clouds are classified as high clouds

AnswerThe answer is (a).

Cirrus clouds are high, thin, wispy clouds made of ice crystals, found above about 6 km. The flat-based, dome-rising description belongs to cumulus clouds, and the white, thin, fibrous and feathery description belongs to cirrus. Cumulus clouds are low-level clouds, not high clouds.

Why each option is right or wrong
  • (a) Correct: cirrus clouds are made of ice crystals.
  • (b) This describes cumulus, not cirrus.
  • (c) This describes cirrus, not cumulus.
  • (d) Cumulus clouds are low clouds.

Explanation: written by UPSC Grade, not by UPSC.

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.