Channel: Upsc science and technology Mcqs
Which one of the following is the primary phenomenon responsible for the formation of an Einstein Ring?
Anonymous Quiz
20%
(A) Black hole evaporation
41%
(B) Gravitational lensing
33%
(C) Cosmic microwave background radiation
7%
(D) Stellar fusion
Which one of the following is the correct order of the Sun's layers from the innermost to the outermost?
Anonymous Quiz
35%
(A) Core, Convective Zone, Radiative Zone, Photosphere, Chromosphere, Corona
36%
(B) Core, Radiative Zone, Convective Zone, Photosphere, Chromosphere, Corona
19%
(C) Core, Photosphere, Radiative Zone, Convective Zone, Chromosphere, Corona
10%
(D) Core, Corona, Radiative Zone, Convective Zone, Photosphere, Chromosphere
Consider the following statements with reference to the BrahMos missile:
1. It is a three stage missile with a solid propellant booster engine
2. The missile has a very high radar signature
1. It is a three stage missile with a solid propellant booster engine
2. The missile has a very high radar signature
Which of the statements given above is/are correct?
Anonymous Quiz
20%
1 only
19%
2 only
51%
Both 1 and 2
10%
Neither 1 nor 2
Forwarded from UPSC previous year paper ( PYQ ) PDF
CamScanner 05-25-2025 11.34.pdf
13.8 MB
Paper -1
Forwarded from UPSC previous year paper ( PYQ ) PDF
GS 1 in हिंदी में .pdf
8.7 MB
📍GS Paper-1
✔️ Hindi Medium
✔️ Hindi Medium
Forwarded from UPSC previous year paper ( PYQ ) PDF
Adobe Scan 25-May-2025.pdf
6.9 MB
CS(P) 2025 Paper -2 (CSAT)
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Scramjets belong to which one of the following categories of engines?
Anonymous Quiz
25%
(a) Ramjet engines
40%
(b) Air-breathing engines
23%
(c) Turbojet engines
11%
(d) Combined-cycle engines
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The words “Motion interpolation, video interpolation, and the soap opera effect” is often seen in news is related to which of the following?
Anonymous Quiz
19%
(a) Frame rate of videos
26%
(b) Long distance telescopes
36%
(c) Micro telescopes for drug therapy
20%
(d) Thermal image radar system
Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do anti-oxidants help a person maintain health and promote longevity?
Anonymous Quiz
32%
They activate enzymes necessary for vitamin synthesis in the body & help prevent vitamin deficiency.
20%
They activate certain genes in the cells of the body and help delay the ageing process.
33%
They neutralize the free radicals produced in the body during metabolism.
14%
They prevent excessive oxidation of carbohydrates, fats and proteins in the body.
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Varunastra is a
Anonymous Quiz
25%
Surface-to-air Missile
29%
Air-to-air Missile
21%
Anti- tank guided Missile
25%
Anti- submarine Torpedo
The term “Chameleon Trojan” is related to
Anonymous Quiz
16%
Bio-fungicide
69%
Malware
11%
Vaccine
5%
Space
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