Environment

Biodiversity, climate change, pollution, protected areas. Filter by topic or year.

3 questions

2020 · Question 48 · Pollution
Which of the following are the reasons/factors for exposure to benzene pollution ? 1. Automobile exhaust 2. Tobacco smoke 3. Wood burning 4. Using varnished wooden furniture 5. Using products made of polyurethane Select the correct answer using the code given below :
Choose your answer(a)1, 2 and 3 only(b)2 and 4 only(c)1, 3 and 4 only(d)1, 2, 3, 4 and 5
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2020 · Question 78 · Pollution
In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon footprint ? 1. Copper slag 2. Cold mix asphalt technology 3. Geotextiles 4. Hot mix asphalt technology 5. Portland cement Select the correct answer using the code given below :
Choose your answer(a)1, 2 and 3 only(b)2, 3 and 4 only(c)4 and 5 only(d)1 and 5 only
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2020 · Question 79 · Pollution
Consider the following statements : 1. Coal ash contains arsenic, lead and mercury. 2. Coal-fired power plants release sulphur dioxide and oxides of nitrogen into the environment. 3. High ash content is observed in Indian coal. Which of the statements given above is/are correct ?
Choose your answer(a)1 only(b)2 and 3 only(c)3 only(d)1, 2 and 3
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)