Tag Archives: upsc previous year question 2017@https://brightfutureofficers.business.blog/2020/04/09/upsc-previous-year-questions/

Consider the following statements. (2019) 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 following statements given above is/are correct? a) 1 and 3  b) 2 and 3   c) Only 2  d) 1, 2, and 3 Ans: dContinue reading “UPSC Previous Year Questions”