Question

Q1. Select (from the options provided), the type of immune response/immunity in the following

cases. There can be a combination of responses. (4M)

(Innate, active natural, active artificial, passive natural, passive artificial, humoral, cell mediated)

a. Administering pooled sera from recovered COVID patients, to HCoV infected

individuals

b. Presence of IgG antibodies against Rubella, in fetus

c. Activity of alveolar macrophages in lungs during infectious bronchitis.

d. Killing of cancer cells by cytotoxic T lymphocytes

e. Allergic rash

f. Transfusion reaction to incompatible blood transfusion

g. Injection of anti-tetanus serum following an injury with a rusted metal piece.

h. Immune response that involves class I MHC

i. Redness, swelling and pain at the site of wound.

j. Mother’s milk conferring protection from common infections, to an infant​

Answer 1

Answer:

immune response that involves class first MHC