Which process forms rain? A. Evaporation B. Condensation C. Precipitation D. Sublimation Explanation: Rain is precipitation.
Which part controls breathing? A. Brainstem B. Cerebrum C. Heart D. Lung Explanation: Brainstem regulates respiration.
Which energy is kinetic? A. Stored B. Motion C. Chemical D. Nuclear Explanation: Kinetic energy is energy of motion.
Which rock is foliated? A. Granite B. Slate C. Basalt D. Limestone Explanation: Slate shows foliation.
Which cycle involves carbon dioxide? A. Nitrogen B. Carbon C. Water D. Rock Explanation: CO₂ circulates in carbon cycle.
Which organism makes its own food? A. Heterotroph B. Autotroph C. Parasite D. Saprophyte Explanation: Autotrophs produce food via photosynthesis.
Which process moves water in plants? A. Photosynthesis B. Transpiration C. Respiration D. Germination Explanation: Transpiration pulls water upward.
Which organ stores bile? A. Liver B. Gallbladder C. Pancreas D. Kidney Explanation: Gallbladder stores bile.
Which bond is weakest? A. Covalent B. Ionic C. Hydrogen D. Metallic Explanation: Hydrogen bonds are weaker.