501Tripura PSC2017General ScienceEnglish
Which of the following is a semiconductor?
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Correct option: D — Germanium
Free · past papers · answers included
General Science MCQ practice free online · page 51
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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- 502UPSC1993General ScienceEnglish
The Government of India has totally banned the export of Burnt coal (Jhama) because it contains recoverable amount of a metal/ element which is used in transistors. Which one of the following is that element?
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Correct option: B — Germanium
- 503UPSC2013General ScienceEnglish
The efforts to detect the existence of Higgs Boson particle have become frequent news in the recent past. What is/are the importance of discovering this particle? 1. It will help us to understand as to why elementary particles have mass. 2. It will enable us in the near future to develop the technology to transfer matter from one point to another without traversing the physical space between them. 3. It will enable us to create better fuel for nuclear fission. Select the correct answer using the codes given below.
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Correct option: A — Only 1
- 504PPSC2015General ScienceEnglish
Assertion (A): Copper rods are generally preferred to iron rods for making lightning conductors. Reason (R): Copper is better conductor of electricity than iron and is not easily oxidized under atmospheric conditions.
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Correct option: A — Both (A) and (R) are true and (R) is the correct explanation of (A)
- 505OPSC2015General ScienceEnglish
Which of the following are semiconductors? 1. Silicon 2. Quartz 3. Ceramics 4. Germanium Choose the correct answer from the following alternatives.
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Correct option: C — 1 and 4
- 506UPPSC2009General ScienceEnglish
One of these particles is claimed to have invented which rebut the Einstein’s theory of relativity.
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Correct option: A — Micro-wave Photon
- 507UPPSC1997General ScienceEnglish
Cyclotrons are used to accelerate
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Correct option: B — Protons
- 508UPPSC2002General ScienceEnglish
Which one of the following pairs is not correctly matched?
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Correct option: D — Synthesis of transuranic elements - Enrico Fermi
- 509UPPSC1999General ScienceEnglish
Which one of the following is not correct?
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Correct option: B — The breaking apart of the nucleus of an atom is called fusion
- 510UPSC1995General ScienceEnglish
Which one of the following can be used to confirm whether drinking water contains a gamma emitting isotope or not?
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Correct option: C — Scintillation counter
General Science practice — common questions
Page 51 of this set has 10 questions on it.
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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".