In acquired immunity 
A. Antibodies produced for allergens are of IgA type 
B. B-cells themselves do not secrete antibodies but help T-cells to produce them 
C. T-cells are responsible for the graft rejection 
D. Each antibody molecule has four peptide chains 
Choose the correct answer from the options given below 
1. B and C only 
2. C and D only 
3. A and B only 
4. B and D only 
Subtopic:  Details of Immunity |
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Consider the given four statements and select the option containing the two correct ones out of these.
(a) Avirulent live bacteria cannot be used for preparation of vaccines against plague.
(b) Interferons are synthesized in response to viruses.
(c) A metastatic cancerous tumour is termed ‘sarcoma’ if the disorder is in fibroblasts.
(d) Alzheimer disease in humans is associated with the deficiency of glutamic acid.
The two correct statements are:
1. (a) and (b)
2. (b) and (c)
3. (c) and (d)
4. (a) and (c)
Subtopic:  Introduction | Details of Immunity | Cancer |
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Which of the following contain peptide bonds?
1. ribosomes in human liver cells
2. antibodies in human plasma
3. cilia on human bronchial cells
4. cholesterol in the membrane of human kidney cells
1.  2, 3 and 4 only
2.  1 and 3 only
3.  1 and 4 only
4.  1, 2 and 3 only
Subtopic:  Details of Immunity |
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Assertion(A): Interferons are a type of antibodies produced by body cells infected by bacteria.
Reason(R): Interferons stimulate inflammation at the site of injury.
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 |
 80%
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Assertion(A): Organ transplantation patients are given immunosuppressive drugs.
Reason(R): Transplanted tissue has antigens which stimulate the specific immune response of the recipient.
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 | Allergies & Autoimmunity |
 84%
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Assertion(A): Blood cells involved in inflammatory reactions are basophils.
Reason(R): Antibodies in our body are complex glycoproteins.
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 | Allergies & Autoimmunity |
 76%
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Assertion(A): The treatment of snake bit by antivenom is artificially acquired passive immunity.
Reason(R): Snake's venom is a type of lipoprotein.
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 | Human Immune System |
 50%
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Assertion (A): An antibody is represented as H2L2.
Reason (R): An antibody molecule has two heavy chains and two light chains.
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. (A) is false, but (R) is true.
Subtopic:  Details of Immunity |
 93%
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Assertion (A): Antibody-mediated immune response is called the humoral immune response.
Reason (R): Antibodies are found in the lymph.
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. (A) is false, but (R) is true.
Subtopic:  Details of Immunity |
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Match List-I with List-II
List-I List-II
(a) Cellular barrier (i) Interferons
(b) Cytokine barrier (ii) Mucus
(c) Physical barrier (iii) Neutrophils
(d) Physiological barrier  (iv) HCI in gastric juice

Choose the correct answer from the options given below :
(a) (b) (c) (d)
1. (ii) (iii) (iv) (i)
2. (ii) (iii) (i) (iv)
3. (iii) (iv) (ii) (i)
4. (iii) (i) (ii) (iv)
Subtopic:  Details of Immunity |
 87%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh