Human Health and Diseases Question 78

78. What is true about T-lymphocytes in mammals?

[2003]

(a) These are produced in thyroid

(b) There are three main types - cytotoxic T-cells, helper T-cells and suppressor T-cells

(c) These originate in lymphoid tissues

(d) They scavenge damaged cells and cellular debris

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Answer : c

Hints & Solutions

(c) The lymphocytes which differentiate in the thymus are known as the T-lymphocytes. T-lymphocytes are responsible for the cellular immune response.