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Environment & Ecology MCQ practice free online · page 29

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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  1. 281UPSC2008Environment & EcologyEnglish

    Consider the following. 1. Rice fields 2. Coal mining 3. Domestic animals 4. Wetlands Which of the above is a source of methane, a major greenhouse gas?

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    Correct option: D — 1, 2, 3 and 4

  2. 282UPSC2014Environment & EcologyEnglish

    Consider the following statements regarding ‘Earth Hour’. 1. It is an intiative of UNEP and UNESCO. 2. It is a movement in which the participants switch off the lights for one hour on a certain day every year. 3. It is a movement to raise the awareness about the climate change and the need to save the planet. Which of the statements given above is/are correct?

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    Correct option: C — Only 2 and 3

  3. 283Tripura PSC2018Environment & EcologyEnglish

    Given below are two statements. Assertion (A): Climate change is leading to increase in social tension in India. Reason (R): The frequency and intensity of the extreme weather events will have serious repercussions on food security. Choose the correct answer from the code given below.

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    Correct option: A — Both (A) and (R) are true and (R) is the correct reason of (A)

  4. 284RPSC2012Environment & EcologyEnglish

    Ozone layer is above the earth crust around

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    Correct option: D — 20 km

  5. 285UKPSC2016Environment & EcologyEnglish

    Which is the lowest layer of the atmosphere?

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    Correct option: D — Troposphere

  6. 286UPPSC2008Environment & EcologyEnglish

    Place where ozone layer is primly found is

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    Correct option: B — Stratosphere

  7. 287UPPSC2004Environment & EcologyEnglish

    Which of the following is not true about chlorofluoro carbon?

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    Correct option: B — It is not responsible for greenhouse effect

  8. 288CGPSC2014Environment & EcologyEnglish

    Which is responsible for Ozone Hole?

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    Correct option: D — CFC

  9. 289UPPSC2013Environment & EcologyEnglish

    The radiation that is absorbed by ozone present in the atmosphere is

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    Correct option: C — Ultraviolet

  10. 290Arunachal PSC2016Environment & EcologyEnglish

    Ozone protects biosphere from

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    Correct option: B — Ultraviolet rays

Environment & Ecology practice — common questions

Page 29 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".
Environment & Ecology MCQ for Government Job Exams — Free Online Practice — Page 29 | GyanPrep