This quiz works best with JavaScript enabled. Home > Science > General Science – Quiz 204 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 204 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is Sodium hydrogen carbonate chemnate? A) $ Per_2o_Z $. B) $ Nahco_3 $. C) $ Per_2h_s $. D) $ NACO_3 $. Show Answer Correct Answer: B) $ Nahco_3 $. 2. Which gas we inhale during respiration? A) Nitrogen. B) Oxygen. C) Carbon dioxide. D) Helium. Show Answer Correct Answer: B) Oxygen. 3. The..... is the main organ of the nervous system. A) Heart. B) Lungs. C) Brain. D) Skin. Show Answer Correct Answer: C) Brain. 4. What is the formulae of ozone A) O2. B) O4. C) Be. D) O. Show Answer Correct Answer: C) Be. 5. Place energy comes from for weather on Earth A) The Earth's core. B) Volcanoes. C) Geothermal vents. D) The Sun. Show Answer Correct Answer: D) The Sun. 6. On which date was the lander successfully separated from the Propulsion Module? A) 20th August. B) 19th August. C) 16th August. D) 17th August. Show Answer Correct Answer: D) 17th August. 7. What types of view uses a combination of the views of an orthographic and tilts the object forward so that portions of all three views can be seen in one view? A) Perspective View. B) Oblique View. C) Isometric View. D) None of above. Show Answer Correct Answer: C) Isometric View. 8. Which of the following would weigh about 1 gram? A) A sugar packet. B) A brick. C) A juice box. D) A bottle of shampoo. Show Answer Correct Answer: A) A sugar packet. 9. How do you find density? A) Density = Mass * Volume. B) Density = Volume / Mass. C) Density = Mass / Volume. D) Density = Weight / Volume. Show Answer Correct Answer: C) Density = Mass / Volume. 10. The unit of resistance is:(1) A) Ohm's. B) Ampere. Show Answer Correct Answer: A) Ohm's. 11. ..... are basic unit of life A) Cell. B) Tissue. C) Organ. D) Organ system. Show Answer Correct Answer: A) Cell. 12. Which of the following is NOT related to sunspots? A) Sunspots are darker and cooler areas of the sun. B) Sunspots can extend millions of miles from the sun and throw so much energy and electrically charged plasma to Earth that it can affect the sky. C) Sunspots seem to affect Earth's weather, causing extreme cold and drought-like conditions when there are fewer of them and warmer conditions when there are many of them. D) None of above. Show Answer Correct Answer: B) Sunspots can extend millions of miles from the sun and throw so much energy and electrically charged plasma to Earth that it can affect the sky. 13. What is the life span of RBC? A) 130 days. B) 110 days. C) 120 days. D) 100 days. Show Answer Correct Answer: C) 120 days. 14. Rust on an iron bar is an example of chemical change. A) True. B) False NGSS.MS-PS1-5. Show Answer Correct Answer: A) True. 15. Hematite is ore of which metal? A) Bauxite. B) Aluminium. C) Iron. D) Gold. Show Answer Correct Answer: C) Iron. 16. What special part is ONLY found in plant cells? A) Cell membrane. B) Nucleus. C) Cell wall. D) Mitochondria. Show Answer Correct Answer: C) Cell wall. 17. A trend line is a: A) Line that connects the data points one by one. B) Line that goes up at 45 degrees. C) Line that goes through most of the data points. D) Lines that is drawn around a picture. Show Answer Correct Answer: C) Line that goes through most of the data points. 18. What does it mean to reuse? A) To transform things into materials for new things. B) To use something more than once. C) To use and produce less things. D) None of above. Show Answer Correct Answer: B) To use something more than once. 19. What would be the best method to determine a chemical property of a substance? A) Placing substance in a flame to see if it will burn. B) Measuring the volume of the substance. C) Heating substance until it melt. D) Calculating the density of the substance. Show Answer Correct Answer: A) Placing substance in a flame to see if it will burn. 20. What type of scientist studies deep ocean trenches, ocean crust and continental crust? A) Physical scientist. B) Earth scientist. C) Life scientist. D) None of above. Show Answer Correct Answer: B) Earth scientist. ← PreviousNext →Related 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 9General Science Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books