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Microorganisms Friend And Foe Test - 20

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Microorganisms Friend And Foe Test - 20
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which one of the following diseases is spread by housefly?
    Solution
    Houseflies are recognized as carriers of easily communicable diseases. Flies carry vectors of diseases on their legs and the small hairs that cover their bodies. Diseases caused by houseflies include typhoid, cholera and dysentery.
    Therefore, the correct answer is option D.
  • Question 2
    1 / -0
    Vaccine is
    Solution
    Correct option: C
    Explanation:

    • A vaccine is a biological preparation that provides acquired immunity to a particular disease.
    • A vaccine typically contains an agent that resembles a disease-causing micro-organism and is often made from weakened (attenuated) or killed forms of the pathogen, its toxins or one of its surface proteins.
    Hence, the vaccine is an "inactivated pathogen".
  • Question 3
    1 / -0
    The process of heating a liquid at high temperature and rapidly cooling it to kill pathogens is called: 
    Solution
    The process of heating a liquid to a high temperature and rapidly cooling it to kill bacteria is called pasteurization. The use of pasteurisation to kill pathogens has helped reduce the transmission of diseases such as thyroid fever, tuberculosis, polio.. etc.
    Hence, the correct option is $$\text{A}$$
  • Question 4
    1 / -0
    The bacterium responsible for causing peptic ulcers is
  • Question 5
    1 / -0
    Which of the following bacterium is responsible for causing peptic ulcers is
  • Question 6
    1 / -0
    Name the instrument used to view microorganisms?
  • Question 7
    1 / -0
    .......... is used to make wine and bread.
  • Question 8
    1 / -0
    The disease transmitted by contaminated food and water is:
  • Question 9
    1 / -0
    Which of the following is a communicable disease?
    Solution
    • Communicable diseases are the diseases that can spread from one person to another by various means like by contact, through the exchange of body fluids, etc. 
    • Common cold can spread by sneezing in public without covering the mouth. The pathogens can then enter the body of a healthy person through the nostrils when the contaminated air is inhaled. 
    • Chickenpox can spread through contact by touching the fluid from the blisters of the infected person. 
    • Diabetes is a non-communicable disease.
    So, the correct option is D.
  • Question 10
    1 / -0
    Which microorganism makes the bread soft and fluffy?
    Solution
    Yeast is used to make the bread soft and fluffy and hence is also called the baker's yeast.

    So, Option D is correct.
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