Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which of the following is the main function of the stomata in plant leaves?
The process by which plants lose water in the form of vapor is called:
What is the term for an animal that eats both plants and meat?
Which gas is most responsible for causing acid rain when it reacts with atmospheric moisture?
Which layer at the back of the eye contains photoreceptor cells called rods and cones that detect light?
Which of the following is used in thermometers to measure temperature?
What is the freezing point of water in Celsius?
Which everyday phenomenon demonstrates the principle of capillary action in plants?
Which of the following is the main reason for the formation of dew on grass in the morning?
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 of the following is the chief component of natural rubber?
What is the term for organisms that make their own food using sunlight?
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 of the following elements is required for the formation of bones and teeth?
Which everyday device changes the voltage level of alternating current for transmission or use?
Which organ in the human body is primarily responsible for filtering blood?
Which everyday device uses the principle of capillary action to function?