UPSC Previous Year Question | Prelims GS | 2019

Consider the following statements: 1. Agricultural soils release nitrogen oxides into environment. 2. Cattle release ammonia into environment. 3. Poultry industry releases reactive nitrogen compounds into environment. Which of the statements given above is/are correct?

  1. 1 and 3 only
  2. 2 and 3 only
  3. 2 only
  4. 1, 2 and 3

Answer

Correct Answer

1, 2 and 3

Explanation

Agricultural soils emit nitrogen oxides (including N2O), livestock such as cattle release ammonia from manure and urine, and the poultry industry releases reactive nitrogen compounds. All three are correct.

Topics: environment and ecology, nitrogen pollution, pollution, sources of reactive nitrogen