Q. With reference to Humidity and heatwave, consider the following statements:
1.As humidity rises, sweat evaporate faster and it is easy to regulate body temperature.
2.Heatwaves are formed due to magnified effect of paved and concrete surfaces in urban areas.
Which of the statements given above is/are correct?

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: B
Notes:

Statement 1 is incorrect: As humidity rises, sweat does not evaporate  and makes it difficult to regulate body temperature.

Statement 2 is correct: The major reason behind the formation of heatwaves are,

  • Magnified effect of paved and concrete surfaces in urban areas.
  • Urban heat island effects.
  • High intensity of UV rays in medium-high heat wave zones.

Source: Indian Express