This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Overview > General Science – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 31 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A net force of 15 N is applied to an object that starts at rest and accelerates to a velocity of 12 m/s in 4 seconds. What is the mass of the object? A) 3 kg. B) 12kg. C) 5 kg. D) 15kg. Show Answer Correct Answer: C) 5 kg. 2. The plow is exposed to which solution changes? A) Acci. B) Permanent. C) Water. D) Liberal. Show Answer Correct Answer: B) Permanent. 3. If you were burning a candle, which of the following would be a reversible change? A) The solid candle wax melts. B) The liquid wax in the wick burns. C) The flame produces smoke. D) All of the above. Show Answer Correct Answer: A) The solid candle wax melts. 4. A system made up of all living organisms interacting with one another and their environment is the definition of what? A) Ecosystem. B) Producer. C) Food web. D) Niche. E) Consumer. Show Answer Correct Answer: A) Ecosystem. 5. A..... circuit has only more than one path to follow A) Parallel. B) Series. C) Frequency. D) None of above. Show Answer Correct Answer: A) Parallel. 6. What is a baby cow called as? A) Cub. B) Kitten. C) Calf. D) Puppy. Show Answer Correct Answer: C) Calf. 7. Which of the following is a major problem with developing a fusion reactor? A) Maintaining a very high temperature. B) Producing radioactive wastes. C) Disposing of radioactive wastes. D) Obtaining fuel. Show Answer Correct Answer: C) Disposing of radioactive wastes. 8. Animals that suckle their young one are called..... A) Reptiles. B) Mammals. C) Birds. D) Amphibians. Show Answer Correct Answer: B) Mammals. 9. It's a good idea to check what's behind/around you before you turn your camera on. A) False. B) True. Show Answer Correct Answer: B) True. 10. The family name for group 2 elements is A) Halogens. B) Noble gases. C) Alkali metlas. D) Alkaline earth metals. Show Answer Correct Answer: D) Alkaline earth metals. 11. Which of the following is NOT a chemical element? A) Gold. B) Silver. C) Bronze. D) None of above. Show Answer Correct Answer: C) Bronze. 12. Two bones, the..... and the ulna, from the skeleton of the forarm A) Tibia. B) Fibula. C) Femur. D) Radius. Show Answer Correct Answer: D) Radius. 13. Density =...../..... A) Density/mass. B) Mass/density. C) Mass/volume. D) Volume/mass. Show Answer Correct Answer: C) Mass/volume. 14. True or false?Dogs are herbivores. A) True. B) False. Show Answer Correct Answer: A) True. 15. With this symbiosis, both organisms are benefitted from the relationship. A) Mutualism. B) Parasitism. C) Commensalism. D) None are correct. Show Answer Correct Answer: A) Mutualism. 16. Rainbows can be a complete circle: A) False. B) True. Show Answer Correct Answer: B) True. 17. Decayed vegetation A) Peat. B) Anthracite. C) Lignite. D) Bituminous. Show Answer Correct Answer: A) Peat. 18. The changing of a liquid to gas is known as..... A) Compression. B) Condensation. C) Expansion. D) Vaporization. E) Evaporation. Show Answer Correct Answer: D) Vaporization. 19. Particles move quickest A) Solid. B) Liquid. C) Gas. D) Solid, liquid and gas. Show Answer Correct Answer: C) Gas. 20. The region where large number of windmills is erected to produce electricity is called wind energy ..... A) Field. B) Farm. Show Answer Correct Answer: B) Farm. 21. If a rocket is unstable, it will tumble/move around the..... A) Direction the wind is blowing. B) Center of pressure. C) You can't tell where it will move. D) Center of mass. Show Answer Correct Answer: D) Center of mass. 22. Organisms that eat both plants and animals A) Herbivores. B) Omnivores. C) Carnivores. D) Decomposersers. Show Answer Correct Answer: B) Omnivores. 23. It is the chemical symbol for gold. A) Ag. B) G. C) Au. D) None of above. Show Answer Correct Answer: C) Au. 24. If you don't understand the directions, what should you do? A) Figure it out. B) Ask the teacher for help. C) Skip it. D) Try something until it works. Show Answer Correct Answer: B) Ask the teacher for help. 25. Nucleus, mitochondria, golgi body A) Bones of the body. B) Parts of an atom. C) Parts of a eukaryote cell. D) Found on the periodic table. Show Answer Correct Answer: C) Parts of a eukaryote cell. 26. A repeating disturbance that transfers energy as it travels through matter and space A) Longitudinal wave. B) Mechanical wave. C) Transverse wave. D) Wave. Show Answer Correct Answer: D) Wave. 27. Fixed plants have stomata on the upper side of their leaves. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 28. What is the role of producers in the food web? What is the role of producers in the food network? A) Capture Sunlight to Make their Own Food Capture sunlight to make your own food. B) EAT OHER ORGANIZS TO OBTAIN ENERGY. C) Breaks Down Dead Material Decomposes Dead Materials. D) None of above. Show Answer Correct Answer: A) Capture Sunlight to Make their Own Food Capture sunlight to make your own food. 29. You see your image in a mirror because: A) Light is reflected. B) Light is scattered. C) Light is absorbed. D) Light is refracted. Show Answer Correct Answer: A) Light is reflected. 30. Which planet in our solar system has the most moons? A) Saturn. B) Mars. C) Uranus. D) Jupiter. Show Answer Correct Answer: D) Jupiter. 31. Vitamin A is known for: A) It's vision-related function. B) Blood clotting. C) To prevent birth defects in unborn children. D) None of above. Show Answer Correct Answer: A) It's vision-related function. 32. Plants remove Carbon Dioxide from the environment and convert it to Oxygen in which process? A) Ecological Succession. B) Homeostasis. C) Cellular Resipiration. D) Photosynthesis. Show Answer Correct Answer: D) Photosynthesis. 33. How many electrons can the third energy level hold? A) 2. B) 18. C) 8. D) 12. Show Answer Correct Answer: B) 18. 34. True or false:Saturn is the only planet with rings. A) True. B) False. Show Answer Correct Answer: B) False. 35. Long hair in the laboratory must be A) Cut short. B) Tied back or kept entirely out of the way with a hair band, hairpins, or other confining device. C) Always neatly groomed. D) Held away from the experiment with one hand. Show Answer Correct Answer: B) Tied back or kept entirely out of the way with a hair band, hairpins, or other confining device. 36. Light year is a unit of A) Distance. B) Time. C) Intensity of Light. D) Speed. Show Answer Correct Answer: A) Distance. 37. Motion of the earth on its axis in about 24 hours is called A) Revolution. B) Rotation. C) Both a and b. D) None of the above. Show Answer Correct Answer: B) Rotation. 38. Which of the following will happen to the internal energy when heat is applied? A) It will stay the same. B) It will decrease then increase. C) It will decrease. D) It will increase. Show Answer Correct Answer: D) It will increase. 39. Energy that comes from the nucleus of an atom. A form of potential energy. A) Nuclear energy. B) Chemical energy. C) Electrical energy. D) Sound energy. Show Answer Correct Answer: A) Nuclear energy. 40. An organized procedure to study something under controlled conditions is a(n) A) Observation. B) Experiment. C) Model. D) Field study. Show Answer Correct Answer: B) Experiment. 41. Exogenic process wherein there's a breakdown of rock material at and near Earth's surface A) Deposition. B) Weathering. C) Mass wasting. D) Erosion. Show Answer Correct Answer: B) Weathering. 42. Why are approved eye protection devices (such as goggles) are worn in the lab? A) To give you headaches. B) To improve your vision. C) To make you look like a bug. D) To protect eyes around chemicals, heat, or glassware. Show Answer Correct Answer: D) To protect eyes around chemicals, heat, or glassware. 43. What is definition to "process" ? A) To take in. B) Find differences. C) Steps to do something. D) Find similarities. Show Answer Correct Answer: C) Steps to do something. 44. Aquarium is ..... A) Natural ecosystem. B) A man made ecosystem. Show Answer Correct Answer: B) A man made ecosystem. 45. Which of the following is the correct order of the atmosphere layers from Earth to space? A) Thermosphere, stratosphere, mesosphere, troposphere, exosphere. B) Troposphere, mesosphere, thermosphere, exosphere, stratosphere. C) Troposphere, stratosphere, mesosphere, thermosphere, exosphere. D) Troposphere, stratosphere, mesosphere, exosphere, thermosphere. Show Answer Correct Answer: C) Troposphere, stratosphere, mesosphere, thermosphere, exosphere. 46. Cotton fibers are made by what? A) Polycarbonate. B) Antacid. C) Cellulose. D) Polymerase. Show Answer Correct Answer: C) Cellulose. 47. What kind of objects have a specific shape and heavy size? A) Gas. B) Liquid. C) Plasmaplasma. D) Solid. Show Answer Correct Answer: D) Solid. 48. Light is a kind of..... A) Heat. B) Matter. C) Reflection. D) Energy. Show Answer Correct Answer: D) Energy. 49. The energy conversion process of nuclear..... appears to best explain the source of solar energy. A) Atoms. B) Splitting. C) Fission. D) Fusion. Show Answer Correct Answer: D) Fusion. 50. Why do we experience the changing of the season on the earth? A) Tilt of the earth's axis. B) Change in solar output. C) Distance from the sun. D) Rotation of the earth. Show Answer Correct Answer: A) Tilt of the earth's axis. 51. The layer that protects the earth from UV radiations: A) Ozone layer. B) Nitrogen. C) Methane. D) Magnesium oxide. Show Answer Correct Answer: A) Ozone layer. 52. What will be the number of neutrons in an atom having atomic number 35 and mass number 80? A) 55. B) 45. C) 80. D) 35. Show Answer Correct Answer: B) 45. 53. A material that reflects or absorbs all of the light that strikes it is called A) Transparent. B) Translucent. C) Opaque. D) None of above. Show Answer Correct Answer: C) Opaque. 54. Using the following food chain below, answer the following question:GRASS$\rightarrow$RABBIT$\rightarrow$LYNXIf the lynx birth rate and survival rate increase, what will happen to the rabbit population? A) Increase. B) Decrease. C) Nothing. D) None of above. Show Answer Correct Answer: B) Decrease. 55. It is the substance in the skin that produces skin pigmentation or color. A) Keratin. B) Melanin. C) Sebum. D) Dermis. Show Answer Correct Answer: B) Melanin. 56. What is the SI unit of speed A) Kg/h. B) M/s. C) Cm/kg. D) Kg/m2. Show Answer Correct Answer: B) M/s. 57. Using this helps you to visualize all possible combinations of alleles from parents to determine possible offspring. A) Meiosis. B) Punnett Square. C) Phenotype. D) Diffusion. Show Answer Correct Answer: B) Punnett Square. 58. ..... is a universal solvent? A) Water. B) Oil. C) Fat. D) Milk. Show Answer Correct Answer: A) Water. 59. The highest point of a transverse wave A) Trough. B) Wavelength. C) Crest. D) Compression. Show Answer Correct Answer: C) Crest. 60. What organelle controls the cell or is like "the brain" of the cell? A) Chromosomes. B) Lysosome. C) Nucleus. D) Nucleolus. Show Answer Correct Answer: C) Nucleus. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesGeneral Science Quiz 1General Science Quiz 2General Science Quiz 3General Science Quiz 4General Science Quiz 5General Science Quiz 6General Science Quiz 7General Science Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books