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Immune System

51.

Which of the following is an antimicrobial peptide synthesized by lymphocytes?

Answer: C

Defensins are antimicrobial peptides synthesized by the lymphocytes and epithelial cells. The defensins can bind to various pathogenic bacteria and bring about their demise. Similarly, blood also contains complement – a group of soluble proteins that carry out the destruction of pathogens.

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52.

Immunological destruction of body tissue or product due to antibodies reacting with it as antigen is called

Answer: B

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53.

A blood group has both A and B antigens but no antibodies, It is

Answer: C

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54.

Inflammatory response in allergy is due to release by mast cells of

Answer: C

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55.

Which of the following immunity is called the first line of defence?

Answer: A

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56.

What type of B cell is like a tiny factory that produces antibodies identical to the B cell receptor that bind to the original antigen?

Answer: C

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57.

Which of these is part of the lymphoid system in humans?

Answer: C

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58.

Which type of immune cells are responsible for eradicating intracellular pathogens?

Answer: A

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59.

The branch of biology, which involves the study of immune systems in all organisms is called_________.

Answer: C

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60.

Which is most abundant immunoglobulin

Answer: C

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