Skip to content

Free · past papers · answers included

General Science MCQ practice free online · page 100

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.

No sign-up10 per pageAnswers & explanations
  1. 991UPPSC1998General ScienceEnglish

    Which of the following pairs are not correctly matched?

    Show answer

    Correct option: A — Potassium Chlorate - Matchbox

  2. 992HPSC2016General ScienceEnglish

    Which of the following main elements is used in making matchbox?

    Show answer

    Correct option: B — Phosphorus

  3. 993UPPSC2016General ScienceEnglish

    Which one of the following is used for manufacturing safety matches?

    Show answer

    Correct option: C — Red phosphorus

  4. 994UPPSC2016General ScienceEnglish

    When kept in air and darkness, which of the following elements glows spontaneously?

    Show answer

    Correct option: B — White phosphorus

  5. 995UPPSC2008General ScienceEnglish

    Carbon Nanotubes (CNTs) were prepared by

    Show answer

    Correct option: B — Iijima

  6. 996UPSC2008General ScienceEnglish

    Where was the first desalination plant in India to produced one lakhs litres fresh water per day based on low temperature thermal desalination principle commissioned?

    Show answer

    Correct option: D — Valsad

  7. 997UPPSC2007General ScienceEnglish

    In India, water desalination plant is located in

    Show answer

    Correct option: A — Lakshadweep

  8. 998UPPSC2008General ScienceEnglish

    Which chemical acts as a reclamation agent for alkaline soil?

    Show answer

    Correct option: B — Calcium Sulphate

  9. 999UPPSC2015General ScienceEnglish

    Which one of the following concerns soil?

    Show answer

    Correct option: A — Edaphic

  10. 1000UPPSC2010General ScienceEnglish

    Liquid oxygen or liquid hydrogen is used technology in obtaining the industrial level called

    Show answer

    Correct option: D — Cryogenics

General Science practice — common questions

Page 100 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".