A-LevelBiologyImmunity9700/12 · May/June 2020 · Q381 Mark

A blood cell count can indicate how many white blood cells there are in the blood. Where else in the body are white blood cells found? 1 bone marrow 2 lymph 3 lungs

A1, 2 and 3

B1 and 2 only

C1 and 3 only

D2 and 3 only

✓ Correct answer

A: 1, 2 and 3

Oracle Prep sorts past-paper questions by topic, so you can drill Immunity and see which topics are most likely to come up next.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Some stem cells divide and give rise to phagocytes. Where in the human body do these stem cells divide? 1 blood 2 bon…

Which of the statements could describe both B-lymphocytes and T-lymphocytes? 1 They contain specific protein receptor…

A vaccine is used to create artificial active immunity. After being given a vaccine, it will take a period of time be…

Which statement about the role of co-transporter proteins in the movement of sucrose is correct?

Which row correctly describes the heart during atrial systole?

The table shows the results used to draw an oxygen dissociation curve for adult haemoglobin. partial pressure of oxy…