Skip to content

Course home

Sign up

Communicable diseases, disease prevention and the immune system

EasyMedium
123456789101112131415161718192021222324252627282930313233
Question 30

Which of the following is/are role(s) of T helper cells in the immune response?

  1. Secretion of cytokines to stimulate B cell clonal selection and expansion
  2. Activation of cytotoxic T (T killer) cells
  3. Phagocytosis of pathogens
A

1, 2 and 3

B

Only 1 and 2

C

Only 2 and 3

D

Only 1

Markscheme

Communicable diseases, disease prevention and the immune system Questions

  1. A Level
  2. /Biology
  3. /Communicable diseases, disease prevention and the immune system

40 exam-style questions on OCR A A Level Biology Communicable diseases, disease prevention and the immune system. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank