Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which photoreceptor cells in the eye are responsible for vision in dim light and cannot distinguish colours?
Which common household chemical is produced when electricity is passed through brine in a process called chlor-alkali?
Which of the following gases is used for welding purposes due to its high flame temperature?
Which gas is produced during the electrolysis of water at the positive electrode called the anode?
Which common kitchen appliance uses the principle of electromagnetic induction specifically to heat food through magnetic coupling?
The process of splitting a heavy atomic nucleus into smaller nuclei is called:
Which term describes the minimum energy required to start a chemical reaction?
Which everyday process explains how noise-cancelling headphones work?
Which phenomenon explains why distant mountains sometimes appear bluish in colour?
The disease caused by a deficiency of iodine in the diet is:
Which of the following diseases is caused by a virus?
Which famous experiment proved that the Earth orbits the Sun rather than the Sun orbiting the Earth?
Which of the following vitamins is synthesized by bacteria in the human intestine?
Which part of the nervous system is called the automatic system and controls involuntary body functions like digestion?
Which part of the digestive system absorbs most of the nutrients from food?
Which photoreceptor cells in the eye are responsible for colour vision and function best in bright light?
The permanent hardness of water can be removed by adding:
Which radiation type is emitted during beta decay converting a neutron into a proton?
Which type of joint is found in the skull where bones are fixed together and allow no movement?