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Microorganisms Friend And Foe Test - 17

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Microorganisms Friend And Foe Test - 17
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following is correctly matched regarding an institute and its location?
  • Question 2
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    Which is not a biological agent of disease?
    Solution
    • A pathogen is an infectious microorganism or an agent such as a virus, bacteria, protozoan, fungus etc. which are able to cause disease.
    • Fungi is a eukaryote which is the common cause of disease in crops and other plants. It can also cause disease in humans and animals.
    • Mycoplasma is a genus of bacteria which causes diseases in humans (such as tuberculosis) and plants.
    • Bacteria also cause infectious diseases in human beings and animals.
    • Pollen is a fine to coarse, powdery substance comprising pollen grains which are male microgametophytes of seed plants.
    So, the correct answer is option C- 'Pollen'.
  • Question 3
    1 / -0
    The organisms which cannot be seen with the naked eyes are called
    Solution
    The microorganisms are the microscopic bodies which cannot be seen directly with the naked eye. These organisms are of the size in microns. The study which deals with the microbes is known as microbiology. There are the different types of microbes like bacteria, viruses, fungi, etc.
    Thus, the correct answer is option B. 
  • Question 4
    1 / -0
    Salt is used to preserve food by removing .......... from it.
    Solution
    There are different methods for the preservation of the food. Salting is one of the oldest methods which is used for the preserving food for a long time. The food is soaked in salt or brine water. The addition of salt removes the moisture by the process of exosmosis. The presence of salt and no moisture prevents bacterial contamination. So, the food does not get degraded for a longer period of time.
    Thus, the correct answer is option A. 
  • Question 5
    1 / -0
    Pneumonia is an example of 
    Solution
    • Pneumonia is caused by a bacterial pathogen. 
    • They can be transmitted from a contaminated person to a healthy person by sneezing, coughing, contaminated objects, etc. Thus, it is considered a communicable disease. 
    So, the correct answer is option A.
  • Question 6
    1 / -0
    Microbiology is
    Solution
    The microorganisms are the microscopic bodies which cannot be observed directly with the naked eye. The study which deals with all the properties of the microbes is known as microbiology. This field includes the type of microbes, their structures, their characteristics, their interactions, etc. There are different fields which deal specifically with one type of microbe like virology, bacteriology, mycology, etc. 
    Thus, the correct answer is option D. 
  • Question 7
    1 / -0
    Which antibiotic is extracted from fungi?
    Solution
    Penicillin is antibiotic or the drug which is produced by the fungal species Penicillium notatum. The antibiotic is very useful in the treatment of the infections caused by Streptococcus and Staphylococcus species. This antibiotic was discovered by Alexander Flemming. 
    Thus, the correct answer is option B. 
  • Question 8
    1 / -0
    Tuberculosis is caused by a
    Solution
    The Mycobacterium tuberculosis bacterium causes TB. It is an obligate bacteria. It spreads through the air from person to person. Lungs are the most common organ which is affected by tuberculosis so they are specifically known as pulmonary tuberculosis. 
    So, the correct answer is option B.
  • Question 9
    1 / -0
    Which one of the following is a water-borne disease?
    Solution
    Cholera is an infectious disease, that causes severe watery diarrhea, which can lead to dehydration and even death if untreated. It is caused by eating food or drinking water contaminated with a bacterium, called Vibrio cholerae. The disease is most common in places with poor sanitation, crowding, war, and famine.
    So, the correct answer is option B.
  • Question 10
    1 / -0
    Malaria is transmitted by:
    Solution
    Malaria is caused by infection of Plasmodium species with human blood. Plasmodium resides and multiplies in the female Anopheles mosquito. 

    Hence, option D is correct.
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