Q. Consider the following statements:
1.Heat pumps do not produce harmful particulate matter.
2.Construction of building do not emit any greenhouse gases.
3.Biogas or wood pellets are a climate-friendly alternatives to fossil fuels.
Which of the statements given above are correct?

[A] 1 and 2 only

[B] 2 and 3 only

[C] 1 and 3 only

[D] 1, 2 and 3

Answer: C
Notes:

Explanation –

Statement 1 and 3 are correct. Heat pumps do not produce harmful particulate matter and, if green electricity is used, no CO2. Biogas or wood pellets are a climate-friendly alternatives to fossil fuels.

Statement 2 is incorrect. A lot of CO2s are emitted during the construction of buildings.

Source: The Indian Express