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Why Do We Fall ill Test - 25

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Why Do We Fall ill Test - 25
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Weekly Quiz Competition
  • Question 1
    1 / -0
    The $$2005$$ Nobel Prize in Physiology/Medicine was awarded to Barry Marshall and Robin Warren of Australia for their discovery of
    Solution
    In 2005, Barry Marshall and Robin Warren of Australia won the Nobel Prize in Physiology/Medicine for their discovery of Helicobacter pylori.  Helicobacter pylori is a Gram-negative bacterium that lives in the stomach of humans. This bacterium causes infection such as ulcers in the cells of the stomach and intestinal tract on excessive growth. The ulcers formed in the stomach are called peptic ulcers. Thus the correct answer is option B.
  • Question 2
    1 / -0
    Diseases are broadly grouped into infection and non-infectious diseases. In the list given below, identify infectious diseases.
    I. Cancer      
    II. Influenza
    III. Allergy    
    IV. Smallpox
    Solution
    • Cancer is a genetic and noninfectious disease
    • Influenza is a viral infection caused by the Influenza virus. It is commonly known as Flu and is a highly contagious disease. It spreads by direct contact, by using the articles used by the infected person, and also by droplets.  
    • Allergies are also non-infectious.
    • Smallpox is caused by the Variola virus. It is a highly contagious disease with no cure. Smallpox has been eradicated completely owing to the massive vaccination campaigns across countries.

    So, the correct answer is, 'Influenza' and 'Small Pox'.
  • Question 3
    1 / -0
    The chemical substances produced by some microbes which can kill or retard the growth of other microbes are called
    Solution
    • Antibiotics are chemical substances secreted by certain microbes which inhibit the growth and development of other microbes. 
    • Some important antibiotics are tetracycline, chloramphenicol, streptomycin, etc.
  • Question 4
    1 / -0
    Infectious diseases can be prevented by:
    Solution
    Infectious diseases are the ones that involve a pathogen that infects a healthy person.
    These diseases are caused by viruses, bacteria fungi, protozoans. To prevent such diseases people are vaccinated and immunised against such organisms. The vaccines contain a live-attenuated or dead organism that provides immunity to the body by making memory antibodies.

    So, the correct option is 'Immunisation.'
  • Question 5
    1 / -0
    Which antibiotic act on the cell wall of bacteria?
    Solution
    The β-lactam ring is part of the structure of penicillin. This ring inhibits peptidoglycan formation of the cell wall of gram-positive bacteria. Tetracyclin, neomycin and streptomycin are aminoglycosides and act on Gram negative bacteria (having no cell wall) where as $$ \beta-$$ lactum antibiotics (amoxyllin, penicillin) acts on Gram positive bacteria having cell wall. Thus the correct answer is option A.
  • Question 6
    1 / -0
    Helicobacter pylori causes
    Solution
    A peptic ulcer is a sore that develop in the lining of stomach, esophagus and small intestine. It is mainly caused by the bacteria Heliobacter pylori. Thus the correct answer is option B.
  • Question 7
    1 / -0
    Arrange the following in a meaningful sequence.

    1) Consultation
    2) Illness
    3) Doctor
    4) Treatment
    5) Recovery
    Solution
    We know that, illness occurs first. Then, patient goes to the doctor and after consultation with him undergoes treatment to finally attain recovery.
    Thus, the correct order is (2), (3), (1), (4) and (5).
  • Question 8
    1 / -0
    Making anti-viral drugs is more difficult than making anti-bacterial medicines because:
    Solution
    The basis of antibacterial drugs is that it attacks the biochemical mechanisms of the bacteria cell and either kills it or stops its growth. Example Penicillin that prevents cell wall formation. But in case of viruses such drugs cannot be used as they lack cellular machinery and therefore, utilize the machinery of the host cell to replicate while other metabolic processes are absent in them.
    So, the correct answer is ' Viruses make use of host machinery'
  • Question 9
    1 / -0
    Which one of the following is not important for individual health?
    Solution
    Answer:
    Living in a well furnished house is regarded an item of luxury or demand but nor need or necessity.
    whereas
     Living in a a clean space, good economic condition and social equality and harmony is factor responsible for the maintenance of our health.


  • Question 10
    1 / -0
    Water borne disease in the following.
    Solution
    Cholera is a water borne disease that spreads through contaminated water consumption.
    Tuberculosis is an air borne disease.
    AIDS is a sexually transmitted disease. 
    Hence the correct option is A.
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