Which of the following immunoglobulins constitute the largest percentage in human milk?

1. IgD

2. IgM

3. IgA

4. IgG

Subtopic:  Active & Passive Immunity |
 88%
From NCERT
NEET - 2015
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Read the following four statements (I-IV):

I. Colostrum is recommended for the newborn because it is rich in antigen
II. Chikungunya is caused by a Gram-negative bacterium
III. Tissue culture has proved useful in obtaining virus-free plants
IV. Beer is manufactured by distillation of fermented grape juice

How many of the above statements are wrong?

1. Three 

2. Four 

3. One 

4. Two 

Subtopic:  Active & Passive Immunity |
From NCERT
AIPMT - 2012
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Which one of the following statements is correct with respect to immunity?

1. The antibodies against smallpox pathogens are produced by T-lymphocytes
2. Antibodies are protein molecules each of which has four light chains
3. Rejection of a kidney graft is the function of B-lymphocytes
4. Preformed antibodies need to be injected to treat the bite by a viper snake
Subtopic:  Active & Passive Immunity |
 83%
From NCERT
AIPMT - 2012
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Select the correct statement with respect to disease and immunisation:

1. Injection of snake antivenom against snake bite is an example of active immunisation.
2. If due to some reason, B-and T-lymphocytes are damaged, the body will not produce antibodies against a pathogen.
3. Injection of dead/inactivated pathogens causes passive immunity.
4. Certain protozoans have been used to mass produce hepatitis B vaccine.
Subtopic:  Active & Passive Immunity |
 68%
From NCERT
AIPMT - 2011
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Cornea transplant in humans is almost never rejected. This is because:

1. its cells are least penetrable by bacteria

2. it has no blood supply

3. it is composed of enucleated cells

4. it is a non-living layer

Subtopic:  Active & Passive Immunity |
 79%
AIPMT - 2008
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