Here is Question No. 41 a part of our series on UPSC Prelims 2019
Q41. Consider the following statements:
- Agricultural soils release nitrogen oxides into the environment.
- Cattle release ammonia into the environment.
- Poultry industry releases reactive nitrogen compounds into the environment.
Which of the statements given above is/are correct?
(a) 1 and 3 only
(b) 2 and 3 only
(c) 2 only
(d) 1, 2 and 3
Answer: D
- Statement 1 is correct: Agricultural soils contributed to over 70% of N2O emissions from India in 2010, followed by wastewater (12%) and residential and commercial activities (6%).
- Statement 2 is correct: Cattle account for 80% of the ammonia production and India is globally the biggest source of ammonia emission, nearly double that of NOx emissions.
- Statement 3 is correct: The poultry industry, with an annual growth rate of 6%, recorded an excretion of reactive nitrogen compounds of 0.415 tonnes in 2016.
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