Multiple choice

Diurnal variation in temperature is ___ over sea than that over land.

  1. greater

  2. lesser

  3. same

  4. none of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Diurnal (daily) temperature variation is less over sea than over land. Water has high specific heat capacity, so it heats and cools slowly, moderating temperature changes. Land has low heat capacity, causing larger daily temperature swings. The correct answer is 'lesser'.