Category Archives : Environment Quiz


1000 Prelims MCQs with detailed explanation @ Rs 350

The 1000 MCQs with detailed explanation contains all the 10 mock tests and their solutions provided in the GS Prelims Test Series 2015. This is being now provided at a discounted price of only Rs 350. The MCQs are still relevant for the upcoming UPSC Prelims exam and will provide the necessary practice and revision. You can go through this link containing prelims MCQs to get an idea about the standard and quality of questions.   How to buy You need to make the payment… Continue Reading »


Prelims MCQs Quiz 44 : Environment

1. The non-point pollution of river water involves discharge of pollutants through a) urban sewage drains b) industrial effluents c) agricultural fields d) both (a) and (b) 2. Man causes soil erosion through 1. use of improper ploughing methods. 2. leaving roots of crop in the field after harvest. 3. practicing trash farming. 4. use of heavy machines. Select the correct answer using the codes given below. a) 1, 2 and 3 only b) 1 and 4 only c) 1, 3 and 4 only d) 1, 2,… Continue Reading »


Prelims MCQs Quiz 35 : Environment

1. Which of the following World Heritage Sites is/are also a tiger reserve? 1. Sundarbans 2. Nanda Devi 3. Manas 4. Kaziranga Select the correct answer using the codes given below. a) 1 and 2 only b) 1 and 3 only c) 1 and 4 only d) 1, 3 and 4 only 2. With reference to ground level ozone (GLO), consider the following statements: 1. GLO reach unhealthy levels on cold days. 2. They can be transported long distances by wind. Which of the statements given… Continue Reading »


Prelims MCQs Quiz 28 : Environment

1. Methane (CH4) is one of the six greenhouse gases under the Kyoto protocol. Which of the following is/are sources of methane? 1. combustion of fossil fuels 2. wetlands 3. automobiles Select the correct answer using the codes given below. a) 1 and 2 only b) 1 and 3 only c) 2 and 3 only d) 1, 2 and 3 2. Which of these pairs are correctly matched ? 1. Minamata convention : mercury 2. Stockholm convention : persistant organic pollutants 3. Basel convention :… Continue Reading »


Prelims MCQs Quiz 22 : Environment

1. With reference to ecosystem stability, consider the following statements: 1. A diverse and complex ecosystem is more stable. 2. Ecosystem stability increases with decrease in number of links in food web. Which of the statements given above is/are correct? a) 1 only b) 2 only c) Both 1 and 2 d) Neither 1 nor 2 2. The brown haze dome formed in cities is because of which gas? a) sulphur dioxide. b) nitrogen oxide. c) carbon dioxide. d) volatile organic compounds (VOCs). 3. Which… Continue Reading »


Prelims MCQs Quiz 16 : Environment

1. With reference to ecosystems, consider the following statements: 1. Organisms at higher trophic level receive energy from more than one trophic level. 2. Higher trophic levels tend to be more discrete than the lower ones. Which of the statements given above is/are correct? a) 1 only b) 2 only c) Both 1 and 2 d) Neither 1 nor 2 2. Which of the following are required for the formation of Ground-level ozone ( GLO) ? 1. Carbon dioxide 2. Volatile Organic Compounds 3. Sunlight… Continue Reading »


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