PPSC Everyday Science 2020 – 2024

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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