Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which property of a magnet means it will always realign itself to point in a north-south direction if freely suspended?
Which of the following is a common antibiotic derived from a fungus?
Which photoreceptor cells in the eye are responsible for vision in dim light and cannot distinguish colours?
What is the primary function of white blood cells?
Which common household chemical is produced when electricity is passed through brine in a process called chlor-alkali?
The deficiency of vitamin B1 causes which disease?
The largest organ in the human body is:
Which of the following gases is used for welding purposes due to its high flame temperature?
The process by which new species arise through gradual change over time is called:
Which gas is produced during the electrolysis of water at the positive electrode called the anode?
Which element is essential for photosynthesis besides carbon dioxide and water?
Which common kitchen appliance uses the principle of electromagnetic induction specifically to heat food through magnetic coupling?
Which scale measures the hardness of minerals, with diamond being the hardest at 10?
Which of the following is used to sterilize surgical instruments?
The pH value of pure water at room temperature is:
The primary function of the lymphatic system is to:
Which part of the human body produces insulin?
Which of the following is the main reason ice floats on water?
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?