General MCQs
1395 questions available
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Q61.The most efficient engine is:
Correct Answer: B
Q62.Why does the sky appear blue?
Correct Answer: A
Correct Answer: Due to scattering of light in the atmosphere.
Q63.The hardness of a hammer made of aluminium is due to the presence of:
Correct Answer: C
Correct Answer: Metallic bond.
Q64.Biosphere is defined as:
Correct Answer: A
Correct Answer: Part of the earth, water and atmosphere inhabited by living organisms.
Q65.Malaria, polio, dengue fever and influenza are examples of:
Correct Answer: B
Correct Answer: Infectious diseases.
Q66.In terms of Wi-Fi data throughput, the fastest transfer speeds are offered by which Wi-Fi standard?
Correct Answer: C
Correct Answer: 802.11n.
Q67.How many fluids per day should a man use?
Correct Answer: B
Correct Answer: 3.7 liters.
Q68.Through which of the following countries does the Equator pass?
Correct Answer: C
Correct Answer: Kenya.
Q69.Which of the following lenses is used in the microscope?
Correct Answer: A
Correct Answer: Convex lens.
Q70.The instrument used to measure rainfall is:
Correct Answer: D
Correct Answer: None of these.
Q71.The world is divided into how many time zones?
Correct Answer: C
Correct Answer: 24.
Q72.The study of earthquakes is known as:
Correct Answer: B
The scientific branch studying seismic waves and faults (FPSC 2025).
Q73.Which of the following gases are known as greenhouse gases?
Correct Answer: A
Q74.A member of a species that is reduced in number is called?
Correct Answer: B
Q75.Gallbladder is part of______?
Correct Answer: C
Q76.Pakistan joined which organization in 1954?
Correct Answer: C
Q77.Which gas is commonly used in tungsten filament bulbs to prevent the filament from oxidizing?
Correct Answer: C
Q78.The minimum speed of sound in air at 0°C is approximately?
Correct Answer: A
Q79.In which medium does sound travel the fastest?
Correct Answer: B
Q80.Bcc stands for ?
Correct Answer: A