301APPSC2018Environment & EcologyEnglish
Montreal Protocol is related to
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Correct option: B — Chlorofluoro carbon
Free · past papers · answers included
Environment & Ecology MCQ practice free online · page 31
Questions from RRB, NTPC, Group D and JE past papers. Tap an option to check it instantly — every question shows the correct answer, and most carry the explanation the paper gave.
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- 302GPSC2019Environment & EcologyEnglish
Which gas is filled in refrigerators?
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Correct option: B — Mafron
- 303UPPSC2013Environment & EcologyEnglish
Which one of the following teams of scientists first discovered ‘ozone hole’ over Antarctica?
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Correct option: D — British team
- 304UPPSC2016Environment & EcologyEnglish
In stratosphere, the level of ozone is naturally regulated by
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Correct option: B — Nitrogen dioxide
- 305Meghalaya PSC2017Environment & EcologyEnglish
The formation of the ozone hole in the Antarctic region has been a cause of concern. What could be the reason for the formation of this hole?
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Correct option: B — Presence of prominent polar front and stratospheric clouds and inflow of chlorofluoro carbons
- 306UPPSC2013Environment & EcologyEnglish
Who among the following had discovered ‘ozone halo’ over Tibetan Plateau in 2005?
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Correct option: C — G.W. Kent Moore
- 307UKPSC2002Environment & EcologyEnglish
Which of the following is not correctly matched?
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Correct option: B — Acid rain - Nitric acid
- 308UPSC2015Environment & EcologyEnglish
Which one of the following is associated with the issue of control and phasing out of the use of ozonedepleting substances?
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Correct option: B — Montreal Protocol
- 309WBPSC2019Environment & EcologyEnglish
Consider the following statements. Chlorofluoro carbons, known as ozone-depleting substances, are used 1. In the production of plastic foams. 2. In the production of tubeless tyres. 3. In cleaning certain electronic components. 4. As pressurizing agents in aerosol cans. Which of the statements(s) given above is/are correct?
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Correct option: C — 1, 3 and 4
- 310Kerala PSC2019Environment & EcologyEnglish
Which of the following substances is/are ozone depleting? 1. Chlorofluoro carbons 2. Halans 3. Carbon tetrachloride Select the correct answer from the codes given below.
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Correct option: D — 1, 2 and 3
Environment & Ecology practice — common questions
Page 31 of this set has 10 questions on it.
Are these Environment & Ecology questions free to practise?
Yes. Every question on this page is free and needs no account. Create a free account only if you want your progress saved.
Where do these Environment & Ecology MCQs come from?
They are taken from official past papers of Indian government recruitment exams such as RRB NTPC, RRB Group D and RRB JE, and each question keeps a reference to the exam it appeared in.
Are the questions available in Hindi?
Yes. Many papers are set in both languages, so a large share of these questions are available in Hindi. Use the language filter at the top of the page.
Do the questions show answers and explanations?
Every question shows the correct option. Where the source paper included a worked solution, the explanation is shown under "Show answer".