Immuno-suppressants are administered to burn patients or during organ transplantation to suppress: 
1. Innate immunity 
2. Cytokine Storm 
3. Humoral immunity 
4. Cell-mediated immunity 

Subtopic:  Details of Immunity |
 88%
From NCERT
NEET - 2022
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital

Give below are two statements : 

Statement I: When an infected female Anopheles mosquito bites, it releases gametocytes of plasmodium into the healthy person. 
Statement II: The female Anopheles mosquito takes up sporozoites of Plasmodium with blood meal from an infected person, suffering from malaria.

In light of the above statements, choose the most appropriate answer from the options given below :
1. Statement I is correct but Statement II is incorrect. 
2. Statement I is incorrect but Statement II is correct.
3. Both Statement I and Statement II are correct. 
4. Both Statement I and Statement II are incorrect. 

Subtopic:  Common Cold & Malaria Introduction | Treatment & Life Cycle of Malaria |
 53%
From NCERT
NEET - 2022
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NEET 2026 - Target Batch - Vital
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Which one of the following acts as the “alarm signal” to activate the body’s immune system by stimulating helper T cells?
1. B cells 2. interleukin-2
3. interleukin-1 4. histamines

 
Subtopic:  Details of Immunity | Active & Passive Immunity |
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The immunoglobin ___________ is involved in the primary response to an invading microorganism, and ____________ is involved in the secondary response.
1. IgG / IgM
2. IgM / IgE
3. IgE / histamines
4. IgM / IgG
Subtopic:  Details of Immunity | Active & Passive Immunity |
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Assertion(A): Second infection of the same pathogen is quickly eliminated.
Reason(R): Killer T cells becomes hyperactivated, and destroy extracellular pathogens
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Active & Passive Immunity | Allergies & Autoimmunity |
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HIV target include all of the following except
1. macrophages
2. cytotoxic T cells
3. helper T cells
4. cells bearing CD4 and fusin
Subtopic:  AIDS |
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Which of the following best describes the difference in the way B cells and cytotoxic T cells respond to invaders?
1. B cells confer active immunity; cytotoxic T cells confer passive immunity
2. B cells kill viruses directly; cytotoxic T cells kill virus infected cells.
3. B cells secrete antibodies against a virus; cytotoxic T cells kill virus-infected cells
4. B cell accomplish humoral immunity.
Subtopic:  Active & Passive Immunity |
 64%
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Which of the following are incorrectly paired?
1. Variable Region – determines antibody specificity for an epitope
2. Immunioglobulins – glycoproteins that form epitopes
3. Constant Region – determines class and function of antibody
4. IgG – most abundant circulating antibodies, confer passive immunity to fetus

 
Subtopic:  Active & Passive Immunity |
 52%
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Assertion(A): Inflammatory response is the non-specific defense of the body.
Reason(R): Inflamatory response is the part of second line defense of the body.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

 
Subtopic:  Details of Immunity |
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If you suspect major deficiency of antibodies in a person, then which of the following would you look for confirmatory evidence? 
1. Serum albumins 
2. Fibrinogen in plasma 
3. Serum globulins 
4. Triglycerides 
Subtopic:  Details of Immunity |
 76%
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