Water Questions and answers

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21). What is the correct decreasing order of the share of different salts in sea water? A). sodium chloride, magnesium chloride, magnesium sulphate, potassium sulphate B). sodium chloride, magnesium chloride, potassium sulphate, magnesium sulphate, C). sodium chloride, magnesium sulphate, potassium sulphate, magnesium chloride D). sodium chloride, magnesium chloride, potassium sulphate, magnesium sulphate View Answer Correct Answer: sodium chloride, magnesium chloride, magnesium sulphate, potassium sulphate View Comments Report Error Report error with gmail Hide

22). The coastline formed by the submergence of mountain ridges running parallel to the coast is known as : A). Dalmation coast B). Ria coast C). Flord coast D). Haff coast View Answer Correct Answer: Dalmation coast View Comments Report Error Report error with gmail Hide

23). Coral reefs are formed by : A). volcanic rocks B). marine sediments C). Chlorine material precipitated from sea water D). tiny colonial marine animals which construct limestone skeleton material View Answer Correct Answer: tiny colonial marine animals which construct limestone skeleton material View Comments Report Error Report error with gmail Hide

24). Consider the following statements: 1. Where fold mountains run parallel and close to the coast, continental shelf is narrow or absent. 2. The average depth of continental shelf is 100 meters. 3. Submarine canyons are mostly found in continental slope. 4. The submarine flat topped mountains are called guyots. Which of the statements given above are correct : A). 1, 2, 3 and 4 B). 1, 2 and 4 C). 1, 3 and 4 D). 2 and 3 View Answer Correct Answer: 1, 2 and 4 View Comments Report Error Report error with gmail Hide

25). Consider the following countries : 1. Algeria 2. Morocco 3. Mauritania Which of these border(s) the Mediterranean Sea? A). 1 only B). 1 and 2 C). 2 and 3 D). 1, 2 and 3 View Answer Correct Answer: 1 and 2 View Comments Report Error Report error with gmail Hide

26). Which one of the following pairs of straits and the countries they separate is wrongly matched? A). Gibraltar Strait - Spain and Morocco B). Bering Strait - Sumatra and Malaysia C). Magellan Strait - Chile and Tiera del Fuego D). Bass Strait - Australia and Tasmania View Answer Correct Answer: Bering Strait - Sumatra and Malaysia View Comments Report Error Report error with gmail Hide

27). The great Asian river Mekong does not run through : A). China B). Malaysia C). Cambodia D). Laos View Answer Correct Answer: Malaysia View Comments Report Error Report error with gmail Hide

28). Match the following: Sea Country A. Black Sea 1. Bulgaria B. Red Sea 2. China C. Yellow Sea 3. Eritrea D. Caspian Sea 4. Kazakhstan Below options are given in A B C D order A). 1 4 2 3 B). 2 3 1 4 C). 1 3 2 4 D). 2 4 1 3 View Answer Correct Answer: 1 3 2 4 View Comments Report Error Report error with gmail Hide

29). Which of the following is not an important condition for growth of coral? A). Wave-free salt water B). Clean salt water C). Warmseas D). Plenty of sunlight View Answer Correct Answer: Wave-free salt water View Comments Report Error Report error with gmail Hide

30). Maximum amount of herring fish is obtained from : A). The North Sea around the Netherlands B). The coastal areas from Alaska to California C). The Sea of Japan D). The Gulf of Mexico View Answer Correct Answer: The North Sea around the Netherlands View Comments Report Error Report error with gmail Hide