The ‘first line of defence’ against the entry of pathogens in the body are:
1. Anatomical barriers 2. Physiological barriers
3. Cellular barriers 4. Cytokines
Subtopic:  Details of Immunity |
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Identify A, B, c and D from the given diagram. Select the correct match between the labelling in column I with column II.
Column I Column II
a. A (i) Heavy chain of antibody
b. B (ii) Light chain of antibody
c. C (iii) Antigen binding site of antibody
Subtopic:  Details of Immunity |
From NCERT
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Consider the following two statements:
HB vaccine

A: is produced from recombinant yeast. 
B: provides passive immunity against hepatitis B. 

 
1. Only A is correct. 
2. Only B is correct. 
3. Both A and B are correct. 
4. Both A and B are incorrect.

Subtopic:  Details of Immunity |
From NCERT
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