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Water Test 2

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Water Test 2
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Weekly Quiz Competition
  • Question 1
    1 / -0

    _______ extracted from springs or by using wells.

  • Question 2
    1 / -0

    ______withdrawn from rivers, lakes or reservoirs.

    Solution

    Surface water includes the lakes, reservoirs (human-made lakes), ponds, streams (of all sizes, from large rivers to small creeks), canals (human-made lakes and streams), and freshwater wetlands. The definition of freshwater is water containing less than 1,000 milligrams per liter of dissolved solids, most often salt.

     

  • Question 3
    1 / -0

    Which of the following machines convert the energy of free-flowing water into useful forms of power?

    Solution

    A waterwheel is a machine that converts the energy of free-flowing water into useful forms of power.

     

  • Question 4
    1 / -0

    Which of the following is called 'Universal Solvent'?

    Solution

     Water is called a universal solvent.

     

  • Question 5
    1 / -0

    Which of the following show expansion on heating and contraction on cooling?

  • Question 6
    1 / -0

    Choose odd one out.

    Solution

    Petrol, wax and kerosene are not soluble in water. Juices are soluble in water.

     

  • Question 7
    1 / -0

    Which of the following is not a symptom of malaria?

    Solution

    Malaria is a mosquito-borne infectious disease affecting humans and other animals caused by Plasmodium species. Symptoms include headache, fever, shivering, joint pain (arthritis), vomiting, hemolytic anaemia, jaundice, haemoglobin in the urine, retinal damage, and convulsions. The disease is most commonly transmitted by an infected female Anopheles mosquito.

     

  • Question 8
    1 / -0

    What do we call the animals that are capable of living both on land and in the water?

    Solution

    Animals that are capable of living on both land as well as water are called amphibians.

     

  • Question 9
    1 / -0

    Which of the following keep the water cool so that thirsty travelers can have cold water?

    Solution

    Earthenware pots keep the water cool so that thirsty travelers can have cold water.

     

  • Question 10
    1 / -0

    Which of the following aquatic plants are used by humans as a food source?

    Solution

    Water spinach, Indian lotus, water caltrop are all aquatic plants which are used by humans as a food source.

     

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