Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
Questions are tracked as practiced when you open Show Answer & Explanation. Tracking stays only in this browser tab and no subject-test result is saved.
Which of the following is the primary function of white blood cells known as lymphocytes?
Which everyday observation demonstrates the concept of inertia in physics?
Which everyday material is a poor conductor of heat and is commonly used as cookware handles?
The primary hormone responsible for the fight-or-flight response is:
Which type of immunity is gained through vaccination by introducing a weakened or inactivated pathogen?
Which part of the human ear helps in maintaining balance?
Which everyday process explains why food cooks faster in a pressure cooker compared to an open pot?
Which human organ is primarily responsible for producing bile?
Which device measures atmospheric pressure and is commonly used for weather forecasting?
Which common household item works based on the principle of Pascal's law?
Which structure in the heart prevents the backward flow of blood between chambers?
Which type of energy is stored in chemical bonds of fuel and released during combustion?
The main function of the xylem tissue in plants is to:
Which part of the digestive system absorbs most nutrients?
Which part of the plant transports water and minerals from roots to leaves and food from leaves downward?
Which blood type is known as the universal donor for blood transfusions?
Which of the following is the primary component of bones that provides rigidity?
Which vitamin is produced in human skin upon exposure to sunlight?
Which everyday phenomenon explains why a wet cloth dries faster on a windy day compared to a calm day?
Which of the following vitamins helps in blood clotting?