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Waste water Story Test - 5

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Waste water Story Test - 5
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following happens when the garbage in dumped into the rivers?
  • Question 2
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    What is the main cause of pollution of water in India?
    Solution
    Water pollution is caused by the addition of the unwanted substances in the water bodies. The main causes of the water pollution is due to the discharge of the water effluents from various sources such as the industrial waste and untreated sewage. The harmful pollutants are added to the water resources from these sources which degrade the quality of the water.
    Thus, the correct answer is option D. 
  • Question 3
    1 / -0
    Identify the best way to conserve water at home.
    Solution
    • We can follow these tips to save water at home:-
    1. Be mindful of running water - Turn off tap while brushing teeth.
    2. Fix leaks as soon as possible - Look out for leaky faucets, and fix it immediately to avoid wasting more water.
    3. Installation of rain barrel - is the easiest way to begin rainwater harvesting. Rain barrel serves as a storage unit for rooftop rainwater.

    So, the correct answer is option D. 
  • Question 4
    1 / -0
    Water pollution is caused due to
    Solution
    • Anthropogenic (environmental pollution originating in human activity) sources of water pollution include domestic waste, sewage, soaps, detergents, run-off from agricultural fields having fertilizers and pesticides, industrial wastes as effluents, heat, waste from animal sheds and slaughterhouses, oil spills etc. 
    Thus, the correct answer is option D.
  • Question 5
    1 / -0
    An example of water-borne disease is 
    Solution
    • Typhoid is spread by eating or drinking food or water contaminated with faeces of an infected person. So, typhoid is a water borne disease. 
    • Scabies is caused by the dog bite and so it is an animal-borne disease. 
    • Influenza is transmitted sexually or through the blood transfusions from the diseased persons so it is not a waterborne disease. 
    • Trachoma is a sexually transmitted disease. Trachoma spreads through contact with discharge from the eyes or nose of the infected person.
    So, the correct option is D.
  • Question 6
    1 / -0
    The worm used in vermi-processing toilet is: 
    Solution
    • Vermi-processing toilets is a design of a toilet in which humans excreta is treated by earthworms and redworms.
    • In this process, human excreta is completely converted to cake-like structures called vermi cakes by earthworms. Vermi cakes are used as manure and fertilizers.
    So, Option "A" is correct.
  • Question 7
    1 / -0
    A disease can spread from one person to population by
    Solution
    • A disease can spread from one person to population by improper sanitation in public places because many disease-causing organisms can survive on the surface of the improperly sanitized public toilet seat, and for an infection to occur, the germs(bacteria, virus) would have to be transferred from the toilet seat to your urethral or genital tract, or through a cut or sore on the buttocks or thighs, which is possible.
    • Hence A disease can spread from one person to population by improper sanitation in public places.
    • So, the correct answer is 'improper sanitation in public places'.
  • Question 8
    1 / -0
    Disease caused due to poor sanitation is
    Solution
    • Sanitation refers to public health conditions related to clean drinking water and adequate treatment and disposal of human wastes and sewage. Preventing human contact with feces is part of sanitation.
    • Poor sanitation is linked to transmission of diseases such as cholera, diarrhea, dysentery, hepatitis A, typhoid and polio because these diseases can be transmitted through the fecal-oral route when food or water is contaminated.
    • Hence Disease caused due to poor sanitation is typhoid and polio.
    • So, the correct answer is 'Both B and C'.
  • Question 9
    1 / -0
    Which of the following can kill water purifying microbes?
    Solution
    • The chemicals present in paints, solvents, insecticides, motor oils, may kill microbes that help purify water. 
    • Hence, it is recommended not to throw them down the drain.
    • The other options mentioned are biodegradable and hence won't kill the microorganism.
    • So, the correct answer is option A.
  • Question 10
    1 / -0
    Atul is traveling from Mumbai to Nagpur by train, in between, he felt uneasy because
    Solution
    • Many disease-causing organisms can survive on the surface of the improperly sanitized public toilet seat, and for an infection to occur, the germs(bacteria, virus) would have to be transferred from the toilet seat to your urethral or genital tract, or through a cut or sore on the buttocks or thighs, which is possible.
    • Hence when Atul is traveling from Mumbai to Nagpur by train, in between, he felt uneasy because he used an improperly sanitized public toilet.
    • So, the correct answer is 'He used an improperly sanitized public toilet'.
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