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Environment & Ecology MCQ practice free online · page 23

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. 221UPPSC2013Environment & EcologyEnglish

    Which one of the following gases is both harmful and beneficial to life on Earth?

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    Correct option: D — Carbon dioxide

  2. 222UPPSC2010Environment & EcologyEnglish

    Today the largest contributor to carbon dioxide (CO₂) emissions is

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    Correct option: A — China

  3. 223UPPSC2015Environment & EcologyEnglish

    Which of the following countries is the largest emitter of carbon?

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    Correct option: B — China

  4. 224UPPSC2015Environment & EcologyEnglish

    Which of the following is known as ‘carbon negative country’ in the world?

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    Correct option: C — Bhutan

  5. 225UPPSC2013Environment & EcologyEnglish

    Which one among the following substances does not contribute to global warming?

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    Correct option: A — Oxides of Sulphur and Nitrogen

  6. 226UPPSC2007Environment & EcologyEnglish

    Which of the following is not Greenhouse Gas?

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    Correct option: B — Sulphur dioxide

  7. 227UKPSC2006Environment & EcologyEnglish

    Which one of the following gas is responsible for global warming?

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    Correct option: C — Carbon dioxide and Methane

  8. 228JPSC2013Environment & EcologyEnglish

    Which of the following is responsible for global warming?

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    Correct option: D — All of the above

  9. 229UPPSC2012Environment & EcologyEnglish

    Which of the following is not Greenhouse Gas?

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    Correct option: D — Hydrogen

  10. 230UPPSC2012Environment & EcologyEnglish

    Which of the following is not Greenhouse Gas?

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    Correct option: D — Nitrogen

Environment & Ecology practice — common questions

Page 23 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".