Skip to content
GyanPrep.in

Free · past papers · answers included

Environment & Ecology MCQ practice free online · page 55

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.

AllEnglishहिन्दी
No sign-up10 per pageAnswers & explanations
  1. 541UPPSC2015Environment & EcologyEnglish

    Match List-I with List-II and select the correct answer using the code given below the lists. List-I (a) Minerals (b) Solar energy (c) Biogas (d) Deforestation List-II 1. Rainfall 2. Methane and carbon dioxide 3. Exhaustible 4. Inexhaustible

    Show answer

    Correct option: A — a-3, b-4, c-2, d-1

  2. 542PPSC2018Environment & EcologyEnglish

    What is the importance of bioasphalt? 1. Unlike traditional asphalt, bioasphalt is not based on fossil fuels. 2. Bio-asphalt can be made from non-renewable resources. 3. Bio-asphalt can be made from non-organic waste materials. 4. It is eco-friendly to use bioasphalt for surfacing of the roads. Which of the statements given above is/are correct?

    Show answer

    Correct option: B — 1, 3 and 4

  3. 543UPPSC2011Environment & EcologyEnglish

    The combustion of coal, petrol and diesel etc., is the basic source of

    Show answer

    Correct option: C — Air pollution

  4. 544UPSC2003Environment & EcologyEnglish

    Which of the following is produced during the formation of photochemical smog?

    Show answer

    Correct option: B — Nitrogen oxides

  5. 545UPPSC2005Environment & EcologyEnglish

    Human-made pollutants are called

    Show answer

    Correct option: D — Anthropogenic

  6. 546UPPSC2016Environment & EcologyEnglish

    Bio-degradable pollutant is

    Show answer

    Correct option: B — Sewage

  7. 547KPSC2019Environment & EcologyEnglish

    Photochemical smog is a resultant of the reaction among

    Show answer

    Correct option: A — NO₂, O₃ and peroxyacetyl nitrate in the presence of sunlight

  8. 548Sikkim PSC2019Environment & EcologyEnglish

    Which of the following is the reason behind the maximum noise pollution?

    Show answer

    Correct option: D — Jet Flight

  9. 549UPPSC2006Environment & EcologyEnglish

    During normal conditions, the gas which pollutes the atmosphere is

    Show answer

    Correct option: A — Carbon monoxide (CO)

  10. 550UPPSC2014Environment & EcologyEnglish

    Which one of the following is not a secondary pollutant?

    Show answer

    Correct option: C — Sulphur dioxide

Environment & Ecology practice — common questions

Page 55 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".