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Environment & Ecology MCQ practice free online · page 63

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. 621UPSC2014Environment & EcologyEnglish

    There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why? 1. They can accumulate in the environment and contaminate water and soil. 2. They can enter the food chains. 3. They can trigger the production of free radicals. Select the correct answer using the code given below.

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    Correct option: D — 1, 2 and 3

  2. 622UPSC2017Environment & EcologyEnglish

    In the context of solving pollution problems, what is/are the advantage/advantages of bioremediation technique? 1. It is a technique for cleaning up pollution by enhancing the same biodegradation process that occurs in nature. 2. Any contaminant with heavy metals such as cadmium and lead can be readily and completely treated by bioremediation using micro-organisms. 3. Genetic engineering can be used to create micro-organisms specifically designed for bioremediation. Select the correct answer using the code given below.

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    Correct option: C — Only 1 and 3

  3. 623TNPSC2017Environment & EcologyEnglish

    In which of the following years was constituted the ‘Central Ganga Authority’ by Government of India?

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    Correct option: C — 1985

  4. 624UKPSC2012Environment & EcologyEnglish

    The Integrated Ganga Conservation Mission has been called as

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    Correct option: D — Namami Gange

  5. 625UPPSC2011Environment & EcologyEnglish

    The World Water Conservation Day is celebrated on

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    Correct option: B — 22 March

  6. 626UPPSC2016Environment & EcologyEnglish

    Which one of the following is not a biotic resource?

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    Correct option: A — Fresh water

  7. 627UPPSC2010Environment & EcologyEnglish

    National Ganga River Basin Authority has been constituted in

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    Correct option: B — February, 2009

  8. 628CGPSC2013Environment & EcologyEnglish

    In the year 2009, India set-up the following to clean the Gangas

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    Correct option: C — National Ganga River Basin Authority

  9. 629Tripura PSC2016Environment & EcologyEnglish

    Who among the following environmentalists is known by the name of ‘Jal Purush’?

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    Correct option: B — Rajendra Singh

  10. 630Sikkim PSC2019Environment & EcologyEnglish

    Which one of the following gases is used for the purification of drinking water?

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    Correct option: B — Chlorine

Environment & Ecology practice — common questions

Page 63 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 63 | GyanPrep