NEET Biology Microbes in Human Welfare Question Bank

done Critical Thinking Questions Total Questions - 20

• question_answer1)
  Certain compounds are released by the WBC which raise the body temperature. These compounds are known as [RPMT 2001]
  A)
  Pyrogens done clear
  B)
  Histamines done clear
  C)
  Toxigens done clear
  D)
  Pathogens done clear
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• question_answer2)
  The cells which directly attack and destroy the antigens are known as
  A)
  Helper T-cells done clear
  B)
  Killer T-cells done clear
  C)
  Helper B-cells done clear
  D)
  Killer B-cells done clear
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• question_answer3)
  Recognition and digestion by the phagocytes due to the coated surface of antigens by the antibodies is known as
  A)
  Opsonization done clear
  B)
  Immunization done clear
  C)
  T-cells immunization reaction done clear
  D)
  B-cells immunization reaction done clear
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• question_answer4)
  When the children without T-cells and B-cells are kept in germ free isolation suits, then the disease is
  A)
  Immunity less hybrids done clear
  B)
  Anti-antigens immune system done clear
  C)
  SCID (severed combined immuno deficiency) done clear
  D)
  None of these done clear
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• question_answer5)
  Active immunity is obtained by [BHU 1986]
  A)
  Antibodies done clear
  B)
  Weakened germs infection done clear
  C)
  Natural resistance done clear
  D)
  None of these done clear
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• question_answer6)
  Booster dose of triple antigen vaccination is given to the child at the age of
  A)
  One year done clear
  B)
  Two year done clear
  C)
  Three year done clear
  D)
  Four year done clear
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• question_answer7)
  One good example of an ?antiseptic' is [CPMT 1983]
  A)
  Bordeaux mixture done clear
  B)
  DDT done clear
  C)
  Carbolic acid in dilute solution done clear
  D)
  Hydrocyanic acid gas done clear
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• question_answer8)
  Injections of antitoxin or toxoid serum is given to prevent
  A)
  Diphtheria done clear
  B)
  Small pox done clear
  C)
  Chicken pox done clear
  D)
  Chronic headache done clear
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• question_answer9)
  The phenomenon that led to the discovery of penicillin involves [NCERT 1983]
  A)
  Biological antagonism done clear
  B)
  Genotype competition done clear
  C)
  Substrate competition done clear
  D)
  Struggle for existence done clear
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• question_answer10)
  Thalidomide is a non-barbiturate sedative drug which was to be given to pregnant women. Its use was withdrawn in 1961 because it resulted in phocomelia. This condition illustrates [CBSE PMT 1988]
  A)
  Early abortion of foetus done clear
  B)
  Poor development of foetus done clear
  C)
  Malformation of foetus done clear
  D)
  Erythroblastosis foetalis done clear
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• question_answer11)
  AIDS related complex (ARC) is a disease which leads to fever, swollen lymph nodes, night sweats, loss in weight etc. represents [MP PMT 1994]
  A)
  Severe form of AIDS done clear
  B)
  Initial form of AIDS done clear
  C)
  No link with AIDS done clear
  D)
  None of the above done clear
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• question_answer12)
  Which of the following disease is due to an allergic reaction [AIIMS 1998; AFMC 2002]
  A)
  Goitre done clear
  B)
  Enteric fever done clear
  C)
  Skin cancer done clear
  D)
  Hay fever done clear
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• question_answer13)
  Hormone produced against allergic reaction is [AFMC 1997]
  A)
  Epinephrine done clear
  B)
  Nor-epinephrine done clear
  C)
  Glucocorticoid done clear
  D)
  Mineralocorticoid done clear
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• question_answer14)
  Severe Acute Respiratory Syndrome (SARS) [CBSE PMT 2004; AIIMS 2004]
  A)
  Is caused by a variant of Pneumococcus done clear
  B)
  Is caused by a variant of the common cold virus (corona virus) done clear
  C)
  Is an acute form of asthma done clear
  D)
  Affects non-vegetarians much faster than the vegetarians done clear
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• question_answer15)
  Which immunoglobulin is the largest in size    [Orissa JEE 2004]
  A)
  \[IgA\] done clear
  B)
  \[IgD\] done clear
  C)
  \[IgE\] done clear
  D)
  \[IgM\] done clear
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• question_answer16)
  If interferon is being produced in the body of a sick person, the person is most likely to be suffering form [CPMT 2004]
  A)
  Typhoid done clear
  B)
  Malaria done clear
  C)
  Measles done clear
  D)
  Tetanus done clear
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• question_answer17)
  A person is injected with globulin against hepatitis. This is   [BVP 2004]
  A)
  Artificially acquired passive immunity done clear
  B)
  Artificially acquired active immunity done clear
  C)
  Naturally acquired active immunity done clear
  D)
  Naturally acquired passive immunity  done clear
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• question_answer18)
  Which is an auto immune disease [Orissa JEE 2004]
  A)
  Cancer done clear
  B)
  Asthma done clear
  C)
  Erythroblastosis foetalis done clear
  D)
  Rheumatoid arthritis done clear
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• question_answer19)
  ELISA is used to detect viruses, where [CPMT 2004]
  A)
  Alkaline phosphatase is the key reagent done clear
  B)
  Catalase is the key reagent done clear
  C)
  DNA-probes are required done clear
  D)
  Southern blotting is done done clear
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• question_answer20)
  Allergy involves [BCECE (Bihar) 2005]
  A)
  IgE done clear
  B)
  IgG done clear
  C)
  IgA done clear
  D)
   IgM done clear
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