11UKPSC2010General ScienceEnglish
Which one of the following is the unit of measure of the thickness of the ozone layer of the atmosphere?
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Correct option: B — Dobson
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General Science MCQ practice free online · page 2
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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- 12UPPSC2013General ScienceEnglish
‘Light Year’ is
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Correct option: B — The distance travelled by light in one year
- 13RPSC1999General ScienceEnglish
A parsec, a unit of distance used to measure the distance related to the stars in the sky, is equal to
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Correct option: B — 3.25 light years
- 14UPPSC1997General ScienceEnglish
PARSEC is the unit of
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Correct option: A — Distance
- 15UPPSC2010General ScienceEnglish
Which unit of measurement is multiplied by 0.39 to convert it to ‘inches’?
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Correct option: B — Centimetre
- 16UPSC2008General ScienceEnglish
How can the height of a person who is six feet tall, be expressed (approximately) in nanometre?
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Correct option: C — 183 × 10⁷ nm
- 17UPPSC2013General ScienceEnglish
A nanometre is equal to
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Correct option: B — 10⁻⁷ cm
- 18CGPSC2005General ScienceEnglish
Ampere is the unit of
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Correct option: B — Electric current
- 19UPPSC1998General ScienceEnglish
Megawatt is the measuring unit of power which is
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Correct option: A — Generated
- 20UPPSC2013General ScienceEnglish
Which one of the following SI unit is not correctly matched?
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Correct option: D — Pressure - Dyne
General Science practice — common questions
Page 2 of this set has 10 questions on it.
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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".