PPSC Everyday Science 2020 – 2024

Which of the following is the cheapest and environmentally friendly source of electricity: Hydroelectric Power

What is the capacity of Lungs: 6 liters

How many lenses does a pinhole camera use: No lens

The study of life is called: Biology

The volume of an atom is calculated by using: Atomic radius and formula for volume of a sphere

A process of breaking down large hydrocarbons into smaller molecules using heat is called: Thermal cracking

Which mineral is essential for building bones and teeth, muscle functioning and blood clotting: Calcium

Ozone is a gas found in the layer: Stratosphere

The SI unit of electric current is: Ampere

Who invented the soda water: Joseph Priestley

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