HIV infects:
1.  RBC
2.  T – helper cells
3.  B - cells
4.  Basophils

Subtopic:  AIDS |
 94%
From NCERT
AIPMT - 1999
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During injury, mast cells secrete:
1.  Histamine
2.  Heparin
3.  Prothrombin
4.  Antibodies

Subtopic:  Allergies & Autoimmunity |
 78%
From NCERT
AIPMT - 1999
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What is a vaccine:
1.  Treated bacteria, virus & protein
2.  Treated algae
3.  Treated fungi
4.  Treated plasmodium

Subtopic:  Active & Passive Immunity |
 97%
From NCERT
AIPMT - 1999
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During viral infection, the protein formed in host cells to resist is:

1. Interferons

2. Antitoxin

3. Antibody

4. Histone

Subtopic:  Human Immune System |
 79%
From NCERT
AIPMT - 2000
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Cancerous cells can easily be destroyed by radiation due to the:

1. Rapid cell division

2. Lack of nutrition

3. Fast mutation

4. Lack of oxygen

Subtopic:  Cancer |
AIPMT - 2002
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The maximum application of animal cell culture technology today is in the production of:

1. Insulin

2. Interfereons

3. Vaccines

4. Edible proteins

Subtopic:  Human Immune System |
 64%
AIPMT - 2003
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Carcinoma refers to: 

1. Malignant tumours of the connective tissue

2. Malignant tumours of the skin or mucous membrane

3. Malignant tumours of the colon

4. Benign tumours of the connective tissue

Subtopic:  Cancer |
 58%
AIPMT - 2003
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Short-lived immunity acquired from mother to foetus across the placenta or through mother's milk to the infant is categorised as:

 
1. Active immunity 2. Passive immunity
3. Cellular immunity 4. Innate non-specific immunity
Subtopic:  Active & Passive Immunity |
 90%
From NCERT
AIPMT - 2003
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What is true about T-lymphocytes in mammals:
 

1. There are three main types-cytotoxic T-cells, helper T-cells and suppressor T-cells
2. These originate in lymphoid tissues
3. They scavenge damaged cells and cellular debris
4. These are produced in the thyroid
Subtopic:  Details of Immunity |
 61%
AIPMT - 2003
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What is true for monoclonal antibodies?
 

1. These are obtained from one parent and for one antigen
2. These are obtained from different parents and for one antigen
3. These are obtained from one parent and for many antigens
4. These are obtained from many parents and for many antigens
Subtopic:  Details of Immunity |
AIPMT - 2001
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