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General Science MCQ practice free online · page 82

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. 811UPPSC2015General ScienceEnglish

    In all bio-compounds the most necessary fundamental element is

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    Correct option: B — Carbon

  2. 812UPSC1994General ScienceEnglish

    Which one of the following is the correct sequential order in which these appeared under simulated primitive earth condition?

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    Correct option: A — Methane, Hydrogen, Cyanide, Nitrile, Amino Acid

  3. 813BPSC2015General ScienceEnglish

    Which is the fundamental element of all organic compounds?

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    Correct option: C — Carbon

  4. 814UPSC2001General ScienceEnglish

    Which one of the following is the correct sequence in increasing order of molecular weights of the hydrocarbons?

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    Correct option: A — Methane, Ethane, Propane and Butane

  5. 815HPPSC2019General ScienceEnglish

    Which one of the following was used as a chemical weapon in the First World War?

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    Correct option: C — Mustard gas

  6. 816KPSC2017General ScienceEnglish

    Mustard gas is used

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    Correct option: B — In chemical warfare

  7. 817JPSC2016General ScienceEnglish

    Poisonous mustard gas is a

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    Correct option: B — Liquid

  8. 818BPSC2015General ScienceEnglish

    Which of the following gases is used in cigarette lighters?

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    Correct option: A — Butane

  9. 819APSC2018General ScienceEnglish

    Leakage of which of the following gases had caused the Bhopal Gas Tragedy?

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    Correct option: A — Methyl isocyanate

  10. 820Goa PSC2017General ScienceEnglish

    From the decomposition of which of the following printing ink is formed?

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    Correct option: B — Methane

General Science practice — common questions

Page 82 of this set has 10 questions on it.

Are these General Science 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 General Science 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".