Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which substance in a catalytic converter helps reduce harmful vehicle exhaust emissions?
Which planet in the solar system rotates on its side with an axial tilt of about 98 degrees?
Which layer of the skin provides insulation and stores energy as fat?
Which common observation explains why sound seems louder when heard through walls compared to open air over long distances?
Which vitamin deficiency causes pellagra characterised by dermatitis diarrhoea and dementia?
Which type of precipitation forms when raindrops freeze before reaching the ground in cold conditions?
Which fluid cushions and protects the brain and spinal cord from mechanical shock?
Which chamber of the heart receives deoxygenated blood from the body before sending it to the lungs?
Which property of a magnet means it will always realign itself to point in a north-south direction if freely suspended?
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?
What is the main gas responsible for the ozone layer?
Which membrane surrounds the lungs and reduces friction during breathing movements?
Which gas is produced during the electrolysis of water at the positive electrode called the anode?
The number of bones in an adult human body is:
Which common kitchen appliance uses the principle of electromagnetic induction specifically to heat food through magnetic coupling?
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?
Which B vitamin deficiency commonly causes the disease beriberi affecting the nervous and cardiovascular systems?