How can a healthy man get filariasis?

1. Through droplet infection from an affected person
2. Through contaminated water or food
3. Through sexual contact with an infected person
4. Through the bite by the female mosquito vector

Subtopic:  Ascariasis & Filariasis |
 74%

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Which of the following fungus is not a causative organism of ringworm?

1. Trichoderma 2. Trichophyton
3. Microsporum 4. Epidermophyton

Subtopic:  Fungal Infection & Concept of Immunity |
 77%
From NCERT

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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 |
 70%
From NCERT

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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 |
 95%
From NCERT

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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 |
 68%
From NCERT

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Interferons are secreted by:

1. Single stranded viruses 2. Double stranded viruses
3. Bacteria infected cells 4. Virus infected cells
Subtopic:  Details of Immunity |
 89%
From NCERT

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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%
From NCERT

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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 |
 79%
From NCERT

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Graft rejection is due to:

1. Innate immune response
2. Humoral immune response
3. Cell-mediated immune response
4. Auto-immune response

Subtopic:  Active & Passive Immunity | Allergies & Autoimmunity |
 93%
From NCERT

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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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