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General Science MCQ practice free online · page 123

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. 1221UKPSC2007General ScienceEnglish

    Azolla gives a good biofertilizer when mixed with

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    Correct option: A — Blue-green algae

  2. 1222UPPSC2011General ScienceEnglish

    Azolla is often used as biofertilizer because it is associated with

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    Correct option: A — Blue-green algae

  3. 1223APPSC2016General ScienceEnglish

    Azolla is

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    Correct option: A — Aquatic Fern

  4. 1224UPPSC2014General ScienceEnglish

    Aquatic Fern, which is used as a biofertilizer is

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    Correct option: B — Azolla

  5. 1225UPPSC2012General ScienceEnglish

    Which of the following microorganisms are used as biofertilizer?

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    Correct option: A — Cyanobacteria

  6. 1226UPPSC2009General ScienceEnglish

    The capability of nitrogen use efficiency can be increased in crop production by

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    Correct option: D — All of the above

  7. 1227UPSC1994General ScienceEnglish

    Which of the following is/are used as biofertilizers? 1. Azolla 2. Blue-green algae 3. Alfalfa Choose the correct answer by the given codes.

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    Correct option: B — 1 and 2

  8. 1228UPPSC1992General ScienceEnglish

    How many chromosomes are there in humans?

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    Correct option: B — 46

  9. 1229UKPSC2003General ScienceEnglish

    The number of chromosomes pairs, found in the cells of human body is

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    Correct option: C — 23

  10. 1230UPSC2001General ScienceEnglish

    Which organelle in the cell, other than the nucleus, contains DNA?

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    Correct option: D — Mitochondrion

General Science practice — common questions

Page 123 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".