UPSC via PYQs
UPSC Prelims 2001Question 109Geography

Cloudy nights are warmer compared to clear cloudless nights, because clouds

Options

  1. (a)prevent cold waves from the sky from descending on Earth
  2. (b)reflect back heat given off by Earth
  3. (c)produce heat and radiate it towards Earth
  4. (d)absorb heat from the atmosphere and send it towards Earth

The full breakdown is part of the paid archive

This question's answer, explanation and links to every related question across 48 years (1979–2026) are inside the app. The two most recent years are free to read in full — no account needed.

See what's inside →

Learn this in NCERT

Related questions the exam has asked

Independent UPSC previous-year-questions study tool — not affiliated with or endorsed by the UPSC. Question text is reproduced from publicly released UPSC examination papers.
UPSCviaPYQs · Privacy · Terms