Given below are two statements 
Statement I: Use of readymade antibodies to protect the body against foreign agents is principal characteristics of passive immunity 
Statement II: Abundant IgA antibodies in colostrum protect the infant's body through active immunity 
In light of the above statements, choose the most appropriate answer from the options given below 
1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect 
3. Statement I is correct but Statement II is incorrect 
4. Statement I is incorrect but Statement II is correct  
Subtopic:  Active & Passive Immunity |
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Select the examples of active immunity.
a. Immunoglobulin transmitted through mother’s milk
b Immunoglobulin injected in a patient
c. Attenuated pathogens introduced in the body
d. Administration of anti-venom
1. a, b, c and d
2. a, b and d
3. a and d only
4. c only
Subtopic:  Active & Passive Immunity |
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Consider the statements given below
(a) An antitoxin provides active immunity 
(b) Vaccine against whooping cough is an example of killed bacterial vaccine 
(c) Hepatitis B vaccine has been produced by recombinant DNA technology 
(d) Performed antibodies are required to treat the bite of a viper snake 
Select the option including correct statements only:
1. (a), (b) and (c) only 
2. (a), (c) and (d) only 
3. (b), (c) and (d) only 
4. (a), (b), (c) and (d) 
Subtopic:  Active & Passive Immunity |
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Read statements A and B carefully and select the correct option:
Statement A: Each antibody has antigen-binding sites at its N-terminals.
Statement B: Each molecule of a monomeric antibody contains 4 interchain disulphide bonds.
1. Both statements (A) and (B) are incorrect.
2. Both Statements (A) and (B) are correct.
3. Only statement (A) is correct.
4. Only statement (B) is correct.
Subtopic:  Active & Passive Immunity |
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Assertion(A): Colostrum is important for the immunity of new-borns as it protects them against infections 
Reason (R): Colostrum is rich in immunoglobin (IgA) 
1. Both (A) and (R) are true and (R) is the correct explanation of (A) 
2. Both (A) and (R) are true and (R) is not the correct explanation of (A) 
3. (A) is true, (R) is false 
4. (A) is false, (R) is true 
Subtopic:  Active & Passive Immunity |
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Read the following statements :
(i) Humoral immunity consists of B-lymphocytes which produce antibodies that circulate in the body fluids
(ii) Cell mediated  immunity  consists  of T-lymphocytes
(iii) Humoral immunity does    not respond to transplants
(iv) Cell mediated    immunity    reacts    against transplants
(v) Humoral immunity provides immunity against cancer but cell mediated immunity does not
How many of the above statements are correct?
1. Four
2. Five
3. Three
4. Two
Subtopic:  Active & Passive Immunity |
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Assertion (A): Recombinant DNA Technology has not contributed much to the greater availability of immunization.
Reason (R): RDT has allowed the production of antigenic polypeptides of 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. (A) is false, but (R) is true.
Subtopic:  Active & Passive Immunity |
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Read statements A and B and select the correct option:

Statement A: Injection of dead/inactivated pathogens causes passive immunity.
Statement B: Preformed antibodies need to be injected to treat the bite of a viper snake.
1. Statements A and B are correct 
2. Statements A and B are incorrect 
3. Only statement A is correct 
4. Only statement B is correct 
Subtopic:  Active & Passive Immunity |
 59%
From NCERT
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