The sporozoites that cause infection when a female Anopheles mosquito bites a person, are found in:

1. liver of the person

2. RBCs of mosquito

3. salivary glands of the mosquito

4. gut of the mosquito

Subtopic:  Treatment & Life Cycle of Malaria |
 72%
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AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV?

1. Transfusion of contaminated blood
2. Sharing the infected needles
3. Shaking hands with infected persons
4. Sexual contact with infected persons
Subtopic:  AIDS |
 94%
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Antibodies present in colostrum protects the newborn from certain diseases which are of:

1.  Ig G type 2.  Ig A type
3.  Ig D type 4.  Ig E type

Subtopic:  Details of Immunity |
 90%
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Tobacco consumption is known to stimulate the secretion of adrenaline and nor-adrenaline. The component causing this could be:

1. Nicotine 2. Tannic acid
3. Curamin 4. Catechin
Subtopic:  Drugs & Alcohol Abuse |
 96%
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Identify the correct statement regarding typhoid fever in human beings:

1.  It is caused by a pathogenic protozoan Salmonella typhi
2.  The pathogen remains confined to the small intestine
3.  Widal test can confirm the infection very early in the disease
4.  Intestinal perforation and death may occur in severe cases

Subtopic:  Typhoid Fever |
 72%
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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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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%
From NCERT

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