A common cause of pneumonia in humans is:

1. Streptococcus pyogenes 2. Hemophilusinfluenzae
3. Staphylococcus aureus 4. Rotavirus

Subtopic:  Pneumonia & Related Questions | Common Cold & Malaria Introduction |
 88%
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Rhinovirus does not affect:

1.  Lungs 2.  Nose
3.  Pharynx  4.  Larynx

Subtopic:  Common Cold & Malaria Introduction |
 87%
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Malignant tertian malaria is caused by Plasmodium:

1. vivax 2.  ovale
3. falciparum 4. malariae
Subtopic:  Common Cold & Malaria Introduction |
 91%
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The mechanical carrier of the causative agent of amoebic dysentery is:

1.  A protozoan 2.  House fly
3.  Mosquito 4.  Rodent

Subtopic:  Amoebiasis |
 79%
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Aedes aegypti is not a vector for:

1.  Dengue 2.  Chikungunya
3.  Japanese encephalitis 4.  Yellow fever

Subtopic:  Common Cold & Malaria Introduction | Treatment & Life Cycle of Malaria |
 71%
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Which of the following is also sometimes called as mosquito fish?

1.  Bombay duck 2. Gambusia
3.  Pacific salmon 4. Pomfret

Subtopic:  Common Cold & Malaria Introduction |
 94%
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What is incorrect regarding innate immunity?

1.  It is present at the time of birth
2.  Physiological barriers prevent microbial growth
3.  Natural killers, a cellular barrier, are a type of monocyte
4.  It is a non-specific type of defense

Subtopic:  Details of Immunity |
 67%
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Anamnestic response in acquired immunity is due to the fact that it is:

1. characterized by memory 2. pathogen specific
3. huge in magnitude 4. due to lymphocytes
Subtopic:  Details of Immunity |
 82%
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B cells:

1.  Do not produce antibodies but help T cells produce them
2.  Are pathogen specific but do not retain the memory of previous encounters
3.  Lack ability to distinguish between self and non-self
4.  Are involved in humoral immune response

Subtopic:  Details of Immunity |
 78%
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In an antibody molecule, an antigen binding site is located:

1. In the constant portion

2. At the C – terminus of a heavy chain

3. Between a light and a heavy chain

4. Between two heavy chains

Subtopic:  Details of Immunity |
 81%

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