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 parasitic disease transmitted by mosquitoes causes recurring fever and chills due to infection of red blood cells?
The most common blood group found in most populations is:
Which everyday device uses electromagnetic induction to convert mechanical energy into electrical energy?
Which gas law states that the volume of a gas is directly proportional to its temperature at constant pressure?
Which of the following is the primary greenhouse gas emitted from livestock farming?
Which common kitchen ingredient is used as a natural indicator to test acidity or basicity in simple science experiments?
Which everyday observation illustrates the concept of friction reducing motion efficiency?
Which property of light explains why a straw appears bent when placed in a glass of water?
The main gas responsible for the blue color of the sky is due to:
Which preservation technique uses controlled heating to kill harmful microorganisms in liquids like milk?
Which flexible connective tissue cushions joints and is found in structures like the ear and nose?
What is the primary source of energy for Earth's climate system?
Which vitamin deficiency commonly causes night blindness in humans?
Which everyday process converts mechanical energy into electrical energy in a bicycle dynamo?
Which scientific instrument is used to measure very small distances such as the diameter of a wire or thickness of a sheet?
Which mineral deficiency is commonly associated with goiter due to impaired thyroid hormone production?
Which everyday process best illustrates the conversion of chemical energy into mechanical energy?
Which flap of tissue prevents food from entering the trachea during swallowing?
Which everyday observation demonstrates Newton's Third Law of Motion?
Which type of cell division produces two genetically identical daughter cells for growth and repair?