Memory cells are stored in

1. spleen

2. lymph nodes

3. both 1. and 2.

4. a specialised area of brain tissue

Subtopic:  Human Immune System |
 75%
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The highly pathogenic influenza A (H5NI) virus infects 

1. poultry 

2. ducks

3. migratory birds

4. all of these.

 77%
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Enteric fever is caused by

1. Salmonella enteritidis

2. S. typhi

3. S. typhimurium

4. none of the above

Subtopic:  Typhoid Fever |
 55%
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Stem cells arise from

1. bone marrow

2. yolk sac

3. foetal liver

4. all the above.

Subtopic:  Human Immune System |
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Ingestion of food and water contaminated with infective eggs is the primary route of

infection for 

1. Taenia solium

2. Wuchereria bancrofti

3. Trichinella sp.

4. Ascaris lumbricoides

Subtopic:  Ascariasis & Filariasis |
 74%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

The degree of pathogenicity of a microorganism is referred to as 

1. virulence 

2. prevalence 

3. severity

4. pathogenic efficacy

Subtopic:  Introduction |
 51%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The following hepatitis viruses are RNA except

1. hepatitis B virus

2. hepatitis A virus

3. hepatitis G virus

4. hepatitis E virus.

 60%
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Cocaine is a stimulant, which may cause addiction. It is an alkaloid obtained from

1. Eucalyptus

2. Erythroxylum

3. Rauwolfia

4. Papaver

Subtopic:  Drugs & Alcohol Abuse |
 84%
From NCERT
AIIMS - 2001
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is non-pathogenic bacteria of colon?

1. Escherichia coli

2. Balantidium coli

3. Entamoeba coli

4. Enterobius vermicularis

 69%
AIIMS - 2001
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Which of the following is a component of cell mediated immunity?

1. B-cells

2. α-cells

3. T-cells

4. Both 1. and 2.

Subtopic:  Details of Immunity |
 81%
From NCERT
AIIMS - 2002
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NEET 2023 - Target Batch - Aryan Raj Singh
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Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh