This quiz works best with JavaScript enabled. Home > Science > Overview > General Science – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 21 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Plants need certain bacteria to produce usable nitrogen compounds because..... A) Plants need bacteria to produce plant protein. B) There is no nitrogen in the soil. C) The bacteria produce the basic sugars needed as plant food. D) Plants cannot separate the nitrogen gas molecule into a useable element. Show Answer Correct Answer: D) Plants cannot separate the nitrogen gas molecule into a useable element. 2. What is the unit for FORCE? A) N (Newtons). B) Lbs (pounds). C) G (grams). D) M/s (meters per second). Show Answer Correct Answer: A) N (Newtons). 3. Is geothermal a renewable energy resource? A) Yes. B) No. Show Answer Correct Answer: A) Yes. 4. True or false?An atom has no electrical charge because the number of protons is equal to the number of neutrons. A) True. B) False. Show Answer Correct Answer: B) False. 5. Bony fish have this organ to help them maintain buoyancy in the water. A) Air bladder. B) Fluke. C) Blubber. D) Blowhole. Show Answer Correct Answer: A) Air bladder. 6. A man descended (went down) a mountain with an empty water bottle, observe the bottles then complete the table. A) Option 4. B) Option 3. C) Option 2. D) Option 1. Show Answer Correct Answer: D) Option 1. 7. The atom of an element with an atomic number of 17 must have A) 17 electrons. B) 17 protons. C) 17 neutrons. D) An atomic mass 17. Show Answer Correct Answer: B) 17 protons. 8. Which of the following is NOT something science can do: A) Help us to understand an enormous amount about the world around us. B) Prove facts to be true. C) Help us develop useful inventions. D) Help us understand what is happening today in our world and what has happened in the past. Show Answer Correct Answer: B) Prove facts to be true. 9. Clouds formed when water vapor in rising cooling air condenses A) Stratus. B) Cirrus. C) Frontal clouds. D) Mountain clouds. Show Answer Correct Answer: A) Stratus. 10. It helps to build strong teeth:..... A) Iron. B) Calcium. C) Vitamins. D) Iodine. Show Answer Correct Answer: B) Calcium. 11. Turtles, dinosaurs, snakes and alligators are all examples of? A) Reptiles. B) Arachnids. C) Fish. D) Amphibians. Show Answer Correct Answer: A) Reptiles. 12. Define uniformitarianism A) The process by which rock and soil are broken down and carried away. B) The decayed remains of once living creatures. C) The view that most of earth's geological features are the result of the large-scale catastrophes. D) The view that most of earth's geological features are the result of slow gradual processes that have been at work for millions of years. Show Answer Correct Answer: D) The view that most of earth's geological features are the result of slow gradual processes that have been at work for millions of years. 13. Habitat A) Location where creatures live. B) A habitat and the inhabitants of the region. Usually small. C) A group of ecosystems. Characterized by similar weather patterns, life forms, and seasons. D) A group of creatures who are all very similar and can produce offspring. E) One living thing. Show Answer Correct Answer: A) Location where creatures live. 14. Complete the statement:5 cm/min =..... m/day (100 cm = 1 m) A) 72. B) 840. C) 7.2. D) 5, 040, 000. Show Answer Correct Answer: A) 72. 15. The height of sound waves is A) Amplitude. B) Latitude. C) Longitude. D) Altitude. Show Answer Correct Answer: A) Amplitude. 16. Which type of bond creates a "pool" of electrons between atoms? A) Ionic Bonds. B) Covalent Bonds. C) Metallic Bonds. D) Saving Bonds. Show Answer Correct Answer: C) Metallic Bonds. 17. What is Convection? A) When heat is passed from particle to particle through an object. B) When particles get heated, expand, and become less dense. C) When heat transfers by waves through empty space. D) None of above. Show Answer Correct Answer: B) When particles get heated, expand, and become less dense. 18. View that most earth's geological features are the result of large scale catastrophes A) Uncomformity. B) Uniformitarianism. C) Catastrophism. D) Erosion. Show Answer Correct Answer: C) Catastrophism. 19. Who invent Television.? A) William Harvey. B) D Lamark. C) J L Baird. D) Graham Bell. Show Answer Correct Answer: C) J L Baird. 20. Earth's rotation motion has a connection with the position of the sunrise and sunset, from the position of the sun when ordering to immersed, the direction of the motion of the rotation of the earth in the direction ..... A) Timur. B) West. C) South. D) North. Show Answer Correct Answer: A) Timur. ← PreviousNext →Related QuizzesScience QuizzesGeneral Science Quiz 1General Science Quiz 2General Science Quiz 3General Science Quiz 4General Science Quiz 5General Science Quiz 6General Science Quiz 7General Science Quiz 8General Science Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books