This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 5 Water – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 5 Water Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. During a science project, Arnav discovered that a nearby lake was suffering from a type of water pollution caused by excessive nutrients. What is the name for this type of pollution? A) Water thermal pollution. B) Sedimentation. C) Eutrophication. D) Water chemical pollution. Show Answer Correct Answer: C) Eutrophication. 2. This is one part of the Earth's system which contains all of the gases the surround the Earth. A) Atmosphere. B) Geosphere. C) Biosphere. D) Hydrosphere. Show Answer Correct Answer: A) Atmosphere. 3. Is water a universal solvent? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 4. Water occurring in a stream, lake, river, reservoir, estuary, wetland or the ocean. A) Waterhsed. B) Drainage Divide. C) Surface Water. D) Ground Water. Show Answer Correct Answer: C) Surface Water. 5. Which of the following human activities is LEAST likely to affect watersheds? A) Flying in an airplane. B) Cutting down trees. C) Fertilizing lawns. D) Reading a book. Show Answer Correct Answer: D) Reading a book. 6. Which of these is due to condensation? A) Drying of wet clothes. B) Water drops appear on cool water bottle. C) Steam rises from wet clothes when they are ironed. D) Black board dries up after wiping it. Show Answer Correct Answer: B) Water drops appear on cool water bottle. 7. How much fresh water is there on earth? A) 2.6%. B) 3%. C) 2.5%. D) All of these. Show Answer Correct Answer: A) 2.6%. 8. At what temperature does water Boil? A) 0$^{o}$ C. B) 100$^{o}$ C. C) 32$^{o}$ C. D) 212$^{o}$ C. Show Answer Correct Answer: B) 100$^{o}$ C. 9. What is surface tension? A) An elastic film on the surface of the water caused by hydrogen bonds. B) An elastic band that holds all the water together. C) The tightness at the bottom of the water. D) An elastic film on the surface. Show Answer Correct Answer: A) An elastic film on the surface of the water caused by hydrogen bonds. 10. ..... does not dissolve in the water. A) Sugar. B) Lemon juice. C) Pepper powder. D) Salt. Show Answer Correct Answer: C) Pepper powder. 11. Water is referred to as the 'universal' solvent because it ..... A) Dissolves everything. B) Is dissolved by most things. C) Dissolves most things. D) Can be found anywhere. Show Answer Correct Answer: C) Dissolves most things. 12. What kind of water are glaciers made of? A) Freshwater. B) Saltwater. C) Both. D) None of the above. Show Answer Correct Answer: A) Freshwater. 13. What is the melting and freezing point for water? A) 100 degrees. B) 0 degrees. C) 10 degrees. D) -10 degrees. Show Answer Correct Answer: B) 0 degrees. 14. Animals and plants can ..... due to water pollution. A) Live longer. B) Live happily. C) Die. D) Breathe. Show Answer Correct Answer: C) Die. 15. ..... provides energy to liquid. A) Evaporation. B) Gas. C) Liquid. D) Heat. Show Answer Correct Answer: D) Heat. 16. The ..... is a property of a system in which two points have opposite characteristics, such as charges (positive/negative) or magnetic poles. A) Polarity. B) Opposites. C) Cohesion. D) Adhesion. Show Answer Correct Answer: A) Polarity. 17. After a day at the ocean, Ms Johnson and Mrs Grubbs leave their flip-flops on the deck. The next morning they notice small white crystals on the shoes. What happened? A) Water evaporated from the shoes and salt from the ocean was left behind. B) Water evaporated from the shoes and sand was attracted to them. C) The salty water from the ocean caused the shoes to rust. D) Sunscreen dried on the shoes. Show Answer Correct Answer: A) Water evaporated from the shoes and salt from the ocean was left behind. 18. Which of the following is the chemical formula of Ozone? A) O$_{2}$. B) O$_{3}$. C) O$_{4}$. D) NO$_{2}$. Show Answer Correct Answer: B) O$_{3}$. 19. Surface tension is the tendency of a liquids surface to resist rupture when under tension or stress. What property of water gives water this ability? A) Adhesion. B) Density. C) Cohesion. D) Solvent. Show Answer Correct Answer: C) Cohesion. 20. Is the density of water ice lower, higher, or the same as liquid water? A) Lower. B) Higher. C) The same. D) Um what is density again. Show Answer Correct Answer: A) Lower. 21. What causes surface tension? A) Water. B) Hydrogen bonds. C) Adhesion. D) Cohesion. Show Answer Correct Answer: B) Hydrogen bonds. 22. What is the correct chemical formula for water? A) H$_{2}$O. B) To $ _ {2} $. C) H$_{2}$O$_{2}$. D) $_{2}$H$_{1}$O. Show Answer Correct Answer: A) H$_{2}$O. 23. How much water do we need for the production of 200 kilos of beef? A) 4.1 million litres. B) 3.1 million litres. C) 2 million litres. D) 5.1 million litres. Show Answer Correct Answer: B) 3.1 million litres. 24. Leaks are responsible for great amount of hidden water loss in the home A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. What are the states of water A) Solid. B) Liquid. C) Gas. D) All of them. Show Answer Correct Answer: D) All of them. ← PreviousNext →Related QuizzesClass 7 Geography Chapter 5 Water Quiz 1Class 7 Geography Chapter 5 Water Quiz 2Class 7 Geography Chapter 5 Water Quiz 3Class 7 Geography Chapter 5 Water Quiz 4Class 7 Geography Chapter 5 Water Quiz 5Class 7 Geography Chapter 5 Water Quiz 6Class 7 Geography Chapter 5 Water Quiz 7Class 7 Geography Chapter 5 Water Quiz 8Class 7 Geography Chapter 5 Water Quiz 9Class 7 Geography Chapter 5 Water Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books