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 type of microorganism is responsible for causing common food spoilage through mold growth?
Which cell organelle is often referred to as the powerhouse of the cell due to its role in energy production?
Which planet is the closest to the sun in our solar system?
Which type of teeth are primarily used for tearing food in humans?
Which renewable energy source generates electricity by harnessing the flow of water through dams or rivers?
Which part of the human eye controls the amount of light entering it?
Which everyday observation shows that hot air rises and cool air sinks creating circulation?
Which gas is primarily responsible for the greenhouse effect contributing most to global warming?
What is the main cause of earthquakes?
Which medical condition is characterized by persistently high blood pressure that can increase the risk of heart disease?
Which type of animal can live both on land and in water, such as frogs and toads?
Which acid in the stomach helps in the digestion of food and kills harmful bacteria?
Which macronutrient is essential for building and repairing body tissues such as muscles?
Which gas produced during fermentation causes dough to rise when making bread?
The medical term for inflammation of the liver is:
Which layer of the Earth is primarily composed of molten rock?
Which common preventive health practice helps reduce the transmission of airborne respiratory infections?
Which common household chemical reaction produces a foaming effect often used in classroom volcano experiments?
Which part of the water cycle involves water falling from clouds back to the Earth's surface as rain snow or hail?
Which device converts electrical energy into light energy using a glowing filament?