General Knowledge Quiz 33Raghu UnnamMarch 7, 2025General knowledge, General Knowledge Test Welcome to your General Knowledge Quiz 33 What is the chemical symbol for water? CO₂ H₂O O₂ NaCl None What planet is known as the "Red Planet"? Venus Mars Jupiter Saturn None What gas do plants absorb from the air? Oxygen Carbon Dioxide Nitrogen Hydrogen None Which part of the human body pumps blood? Brain Liver Heart Kidney None What is the hardest natural substance on Earth? Gold Iron Diamond Silver None What force pulls objects toward the center of the Earth? Magnetism Gravity Friction Electricity None What is the boiling point of water in Celsius? 50°C 75°C 100°C 150°C None What do bees collect from flowers to make honey? Water Nectar Seeds Pollen None What is the largest planet in our solar system? Earth Mars Jupiter Saturn None How many bones are in the adult human body? 106 206 306 406 None What is the main gas found in the Earth's atmosphere? Oxygen Hydrogen Carbon Dioxide Nitrogen None What organ helps humans breathe? Heart Liver Lungs Kidney None What is the closest star to Earth? Sirius The Moon The Sun Alpha Centauri None What do we call animals that only eat plants? Carnivores Herbivores Omnivores Insectivores None Which metal is used in making electrical wires? Iron Gold Copper Silver None What is the chemical formula for table salt? NaCl HCl CO₂ O₂ None What gas do humans breathe in to survive? Oxygen Carbon Dioxide Nitrogen Helium None What is the process by which plants make their own food? Respiration Digestion Photosynthesis Fermentation None What is the center of an atom called? Electron Proton Nucleus Neutron None What is the main source of energy for the Earth? The Moon The Sun The Wind Fire None Which type of blood cells fight infections? Red blood cells White blood cells Platelets Plasma None What type of rock is formed from cooled lava? Sedimentary Igneous Metamorphic Fossilized None What part of the cell contains genetic material (DNA)? Cytoplasm Cell membrane Nucleus Mitochondria None Which planet is known for its rings? Jupiter Saturn Neptune Uranus None What are the three states of matter? Earth, Wind, Fire Solid, Liquid, Gas Heat, Cold, Warm Small, Medium, Large None What type of scientist studies rocks? Biologist Geologist Chemist Physicist None What is the main function of roots in a plant? Make food Absorb water and nutrients Produce oxygen Support flowers None What is the unit of measurement for electric current? Ampere Volt Watt Ohm None What is the most abundant element in the universe? Oxygen Hydrogen Carbon Helium None Which organ in the human body produces insulin? Liver Kidney Pancreas Heart None 1 out of 6 Time's upTime is Up! Post Views: 110
