Skip to content
GyanPrep.in

Free · past papers · answers included

General Science MCQ practice free online · page 92

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. 911Sikkim PSC2017General ScienceEnglish

    Match List-I with List-II and select the correct answer using the code given below the lists. List-I (Fuel Gases) (a) CNG (b) LPG (c) Coal gas (d) Water gas List-II (Major Constituents) 1. Carbon monoxide, Hydrogen 2. Butane, Propane 3. Methane 4. Hydrogen, Methane, Carbon monoxide

    Show answer

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

  2. 912APPSC2019General ScienceEnglish

    Assertion (A): The main component of the liquefied petroleum gas is Methane. Reason (R): Methane can be used directly for burning in homes and factories where it can be supplied through pipelines.

    Show answer

    Correct option: D — (A) is false, but (R) is true

  3. 913Tripura PSC2017General ScienceEnglish

    Consider the following statements. 1. Liquefied Natural Gas (LNG) is liquefied under extremely cold temperatures and high pressure to facilitate storage or transportation in specially designed vessels. 2. First LNG terminal in India was built in Hassan. 3. Natural Gas Matters (NGM) are separated from LPG and these include ethane, propane, butane and natural gasoline. Which of the statements given above is/are correct?

    Show answer

    Correct option: A — Only 1

  4. 914PPSC2017General ScienceEnglish

    Consider the following statements. 1. Coal, petroleum and natural gas are fossil fuels. 2. Gasohol is mixture of benzene and alcohol. 3. Geothermal energy is nonconventional energy source. 4. Gobar gas contains mainly methane. Of these statements.

    Show answer

    Correct option: D — 1, 3 and 4 are correct

  5. 915UPSC2000General ScienceEnglish

    Consider the following features of newer models of motor cars. 1. Radial tyres 2. Streamlined body 3. Multipoint fuel injection 4. Catalytic converter with exhaust Which of these features make the new models of motor cars more fuel efficient?

    Show answer

    Correct option: D — 1, 3 and 4

  6. 916APPSC2018General ScienceEnglish

    Which one of the following is used in food preservation?

    Show answer

    Correct option: C — Benzoic Acid

  7. 917KPSC2015General ScienceEnglish

    Refrigeration helps in food preservation by

    Show answer

    Correct option: B — Reducing the rate of biochemical reactions

  8. 918BPSC2000General ScienceEnglish

    Which one of the following substances is used in the preservation of food stuff?

    Show answer

    Correct option: C — Sodium Benzoate

  9. 919KPSC2018General ScienceEnglish

    For the preservation of fruit juice which of the following is used?

    Show answer

    Correct option: D — Sodium Benzoate

  10. 920Tripura PSC2019General ScienceEnglish

    Which of the following is a common refrigerant used in the domestic refrigerator?

    Show answer

    Correct option: C — Freon

General Science practice — common questions

Page 92 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".