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General Science MCQ practice free online · page 96

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. 951UPPSC2008General ScienceEnglish

    What percentage of phosphorus (P₂S₅) and Nitrogen (N) is present in DAP?

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    Correct option: B — 18% N and 46% P₂O₅

  2. 952UPSC1995General ScienceEnglish

    Which one of the following is a mixed fertilizer?

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    Correct option: C — Ammonium Sulphate

  3. 953UKPSC2010General ScienceEnglish

    Which of the following is not a chemical fertilizer?

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    Correct option: B — Sodium Sulphate

  4. 954UPPSC2015General ScienceEnglish

    The most popular fertilizer for foliar application is

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    Correct option: B — Urea

  5. 955TNPSC2019General ScienceEnglish

    ‘Humus’ is an example of

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    Correct option: C — Organic colloids

  6. 956UPPSC2015General ScienceEnglish

    The most suitable crop for green manuring is

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    Correct option: C — Sunhemp

  7. 957UPPSC1998General ScienceEnglish

    Assertion (A): Chemical fertilizers are necessary for the phosphorus need of plants. Reason (R): One metric tonne of organic manure can barely supply 2 or 3 kg of phosphorus. From the above statement, which is correct?

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    Correct option: A — Both (A) and (R) are true and (R) is the correct explanation of (A)

  8. 958UPSC2015General ScienceEnglish

    What can be the impact of the excessive/inappropriate use of nitrogenous fertilizers in agriculture? 1. The proliferation of nitrogenfixing microorganisms in soil can occur. 2. The increase in the acidity of soil can take place. 3. Leaching of nitrate to the ground water can occur. Select the correct answer using the code given below.

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    Correct option: C — Only 2 and 3

  9. 959MPPSC1991General ScienceEnglish

    Which gas is used in fire extinguisher?

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    Correct option: A — Carbon dioxide

  10. 960UKPSC2010General ScienceEnglish

    In the ordinary fire extinguisher, carbon dioxide is generated by the reaction of

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    Correct option: C — Sodium bicarbonate and dilute sulphuric acid

General Science practice — common questions

Page 96 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".