Test Preparation

CSS MPT 2026-27 Preparation (Part 2): 100 MCQs of General Knowledge & Current Affairs

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Q.1
[EVERYDAY SCIENCE] Which electromagnetic wave has the highest energy?
A) Microwaves
B) Infrared
C) X-Rays
D) Gamma rays
✅ Correct Answer: Option D
Exp: Gamma rays have the shortest wavelength and highest frequency, hence highest energy.
Test Preparation
Q.2
[EVERYDAY SCIENCE] Diamond and Graphite are examples of:
A) Isomers
B) Isotopes
C) Allotropes
D) Polymers
✅ Correct Answer: Option C
Exp: Allotropes are different structural forms of the same element (Carbon).
Test Preparation
Q.3
[EVERYDAY SCIENCE] The unit of thermodynamic temperature in SI is:
A) Celsius
B) Fahrenheit
C) Kelvin
D) Rankine
✅ Correct Answer: Option C
Exp: Kelvin (K) is the SI base unit of temperature.
Test Preparation
Q.4
[EVERYDAY SCIENCE] Most abundant gas in Earth's atmosphere?
A) Oxygen
B) Carbon Dioxide
C) Argon
D) Nitrogen
✅ Correct Answer: Option D
Exp: Nitrogen makes up approx 78% of the atmosphere.
Test Preparation
Q.5
[EVERYDAY SCIENCE] Converting a solid directly into a gas is called:
A) Evaporation
B) Condensation
C) Sublimation
D) Deposition
✅ Correct Answer: Option C
Exp: Sublimation is the transition from solid directly to gas (e.g., dry ice).

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