Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which everyday phenomenon demonstrates the principle of capillary action in plants?
Which household disinfectant chemical is commonly used to purify drinking water in small quantities?
Which of the following is used to test for the presence of starch?
Which white blood cell type is primarily responsible for producing antibodies against pathogens?
Which common food borne bacterial disease causes prolonged fever and is transmitted through contaminated food and water?
Which common everyday substance is used to test for the presence of starch in food by turning blue-black?
Which everyday device changes the voltage level of alternating current for transmission or use?
Which everyday device uses the principle of capillary action to function?
Which vitamin is produced when ultraviolet light acts on cholesterol in the skin?
Which organ in the human body acts as a reservoir for blood and helps filter out old or damaged red blood cells?
Which gas is primarily responsible for causing the bends in deep sea divers who ascend too quickly?
Which part of the water cycle involves water vapour cooling and turning back into liquid water droplets to form clouds?
The most abundant metal in the Earth's crust is:
Which everyday application demonstrates the use of static electricity?
Which gas is commonly used to fill balloons so that they float in air?
Which everyday optical device uses a combination of lenses to magnify distant objects?
Which substance in a catalytic converter helps reduce harmful vehicle exhaust emissions?
The instrument used to measure wind speed is called:
Which everyday hygiene practice is most effective in preventing the spread of common cold and flu viruses?
Which household water purification method uses ultraviolet light to kill bacteria and viruses?