461CGPSC2014General ScienceEnglish
A wire with black insulation during electric supply is
Show answerAnswer & explanation
Correct option: C — Neutral wire
Free · past papers · answers included
General Science MCQ practice free online · page 47
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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- 462UPSC2005General ScienceEnglish
What is the order of magnitude of electric resistance of the human body (dry)?
Show answerAnswer & explanation
Correct option: C — 10⁶ ohm
- 463MPPSC1993General ScienceEnglish
Which gas is filled in normal tubelights?
Show answerAnswer & explanation
Correct option: C — Mercury vapour with argon
- 464UPPSC2015General ScienceEnglish
Full form of C.F.L. is
Show answerAnswer & explanation
Correct option: A — Compact Fluorescent Lamp
- 465UPPSC1990General ScienceEnglish
What gases are filled in fluorescent tube?
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Correct option: D — Mercury and neon
- 466UPPSC2009General ScienceEnglish
In comparison to an electric bulb, a fluorescent tube is preferred because
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Correct option: D — None of the above
- 467BPSC2005General ScienceEnglish
How does the white light produce in the tube?
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Correct option: B — To heat up the filament
- 468MPPSC2000General ScienceEnglish
Which is the gas inside an electric bulb?
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Correct option: D — Both (A) and (B)
- 469UPSC2000General ScienceEnglish
Fluorescent tubes are fitted with a choke. The choke coil
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Correct option: A — Steps up the line voltage
- 470UPPSC2017General ScienceEnglish
A mobile phone charger is
Show answerAnswer & explanation
Correct option: D — A step down transformer
General Science practice — common questions
Page 47 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".