One-liner PPSC Everyday Science questions with answers, compiled from the past five years of Punjab Public Service Commission exam papers.
PPSC Everyday Science One-Liner MCQs
Water has maximum density at: 4 c
The ozone layer protects the earth from rays sent by the sun: Ultraviolet rays
A unit of length equal to the average distance between the earth and sun is called: Astronomical unit
The inferred radiation by sun are strongly absorbed by: Water
Which of the following are ozone depleting substances: Acetylene
The study of rock is called: Petrology
The study of stars is known as: Astronomy
Which one is not a vestigial organ of human being: Eye lid
Radioactivity measured by which device: Geiger counter
The ozone layer is at height of ___kilometers from the surface of the Earth: 15-40 kilometers
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