Exams › NEET › Biology

What is true about T-lymphocytes in mammals?

1. These are produced in thyroid
2. There are three main types — cytotoxic T-cells, helper T-cells and suppressor T-cells
3. These originate in lymphoid tissues
4. They scavenge damaged cells and cellular debris

Correct answer: There are three main types — cytotoxic T-cells, helper T-cells and suppressor T-cells

Solution

T-lymphocytes are classically grouped into three main functional types: cytotoxic, helper, and suppressor/regulatory T cells. The other choices describe incorrect origins or functions that belong to other organs or immune cells.

Related NEET Biology questions

• Diarrhea through food can be avoided by
• Renal rickets is related to old age
• Which is the drug used by health workers in the management of acute respiratory illness?
• Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
• Match the following diseases with the causative organism and select the correct option. Column-I: (a) Typhoid (b) Pneumonia (c) Filariasis (d) Malaria Column-II: (i) Wuchereria (ii) Plasmodium (iii) Salmonella (iv) Haemophilus
• The infectious stage of Plasmodium that enters the human body is

⚔️ Practice NEET Biology free + battle 1v1 →