This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 14 Water – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 14 Water Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is the most appropriate method of rainwater harvesting at household level? A) Cover the roof with grass. B) Dig open pits in lawn area. C) Construct drains directed to rivers. D) Connect rooftop with pipes to a pit in the ground. Show Answer Correct Answer: D) Connect rooftop with pipes to a pit in the ground. 2. Acid (H+) + base (OH-) $\rightarrow$ water + salt A) The reaction above is solution. B) The reaction above is a suspension. C) The reaction above is neutralization. D) The reaction above is condensation. Show Answer Correct Answer: C) The reaction above is neutralization. 3. The clothes are drying in the sunlight by the process of A) Condensation. B) Evaporation. C) Drought. D) Transpiration. Show Answer Correct Answer: B) Evaporation. 4. $_{What are water's unique properties?}$ A) It is what humans drink. B) It is everywhere. C) It is clear. D) It can be all 3 states of matter. Show Answer Correct Answer: D) It can be all 3 states of matter. 5. The process of conversion of water into vapours is called A) Tranpiration. B) Evaporation. C) Condensation. D) None of these. Show Answer Correct Answer: B) Evaporation. 6. Water that is constantly moving and recycled above, on, and under the Earth is called ..... A) Evaporation. B) Infiltration. C) Run off. D) Water cycle. Show Answer Correct Answer: D) Water cycle. 7. The water present below the surface is called ..... A) River. B) Lake. C) Groundwater. D) None of the above. Show Answer Correct Answer: C) Groundwater. 8. The process by which water turns into gas is known as A) Condensation. B) Evaporation. C) Melting. D) None of the above. Show Answer Correct Answer: B) Evaporation. 9. Which is not a part of water cycle A) Cloud formation. B) Sun. C) Rain. D) Animals. Show Answer Correct Answer: D) Animals. 10. Which is a wrong statement? A) We can not drink the sea water. B) We can drink sea water. C) We cannot wash utensil in sea water. D) Both b and c. Show Answer Correct Answer: B) We can drink sea water. 11. Why does evaporation have a cooling effect? A) The process sucks heat from the surroundings. B) The liquid insulates the material. C) The liquid is a good heat conductor. D) None of the above. Show Answer Correct Answer: A) The process sucks heat from the surroundings. 12. A person can live without food for a months but no without water even for a week A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. How much water do human need per day? A) 135 liters per day. B) 20.000 liters per day. C) 1 glass per day. D) 2 liters per day. Show Answer Correct Answer: D) 2 liters per day. 14. Solution where more solute can still be dissolved at the given temperature. A) Saturated. B) Unsaturated. C) Supersaturated. D) Homogeneous solution. Show Answer Correct Answer: B) Unsaturated. 15. Which of these would most likely to happen if groundwater is overused? A) Sea level would rise. B) Only saltwater would be available for use. C) Only wells would be able to supply water. D) Level of ponds, wells and ground water decreases. Show Answer Correct Answer: D) Level of ponds, wells and ground water decreases. 16. Renewable resources are those that A) Can be replaced. B) Cannot be replaced. C) Are found in abudance. D) Are found everywhere. Show Answer Correct Answer: D) Are found everywhere. 17. Amount of water contained in an adult body? A) 60%. B) 70%. C) 75%. D) 80%. Show Answer Correct Answer: A) 60%. 18. Process of conversion of gas to liquid is known as A) Evaporation. B) Transpiration. C) Condensation. D) Boiling. Show Answer Correct Answer: C) Condensation. 19. How much portion of the earth is covered with water? A) About two-third. B) About three-fourth. C) About one-fourth. D) About one-third. Show Answer Correct Answer: B) About three-fourth. 20. Potable water is A) Transparent. B) Transparent and colourless. C) Transparent, colourless and has taste. D) Transparent, colourless, has taste and is free from germs. Show Answer Correct Answer: D) Transparent, colourless, has taste and is free from germs. 21. A solvent is ..... A) Substance into which the solute dissolves. B) A compound being dissolved. C) A substance that does not dissolve. D) None of the above. Show Answer Correct Answer: A) Substance into which the solute dissolves. 22. Water is essential for ..... A) Work. B) Life. C) Wastage. D) None of the above. Show Answer Correct Answer: B) Life. 23. There are two states of water A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. Which natural phenomenon results in excess water in an otherwise dry piece of land? A) Evaporation. B) Drought. C) Flood. D) Earthquake. Show Answer Correct Answer: C) Flood. 25. Groundwater is actually rainwater A) True. B) False. C) All the above. D) None of the above. 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