Sign in

NewNcertBiologyHuman Health and Disease

Assertion (A): Tissue graft rejection is mainly associated with cell-mediated immunity. Reason (R): T-lymphocytes recognise non-self antigens on graft cells and initiate cellular attack. Choose the correct option.
✓ Correct answer: A

Want the full step-by-step reasoning?

Practice thousands more Biology questions free on NewNcert
Start practicing →

Question ID #337371 · NewNcert