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Biology · 2022 · 3 marks
CBSE 2022 · Region 5 · Set 1 · Q8
(a) Why do doctors have to carry many tests for selecting a person to be a suitable donor for someone who is going for an organ transplant and not…
(a)
Why do doctors have to carry many tests for selecting a person to be a suitable donor for someone who is going for an organ transplant and not take the organ from just anybody ? Explain giving reason.
(b)
Name the drug a patient who has undergone a successful organ transplant, has to take all his/her life.
Marking-scheme solution
(a) • To avoid graft rejection
Grafts would be rejected because of mismatch of blood groups or tissues / the body is able to differentiate between 'self' and 'non-self' leading to rejection / the cell-mediated response of T-lymphocytes will lead to graft or organ be rejected.
(b) Immuno-suppresants / Immuno-suppressive agents / Cyclosporin A
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