Two equal volumes of blood contain the same number of red blood cells. The cells in sample X contain less haemoglobin than the cells in sample Y. Other blood components are the same.
Which comparison is correct?
X can carry less oxygen; its plasma can still transport glucose.
X can carry less glucose; its plasma can still transport oxygen.
X can carry less urea; its platelets can still transport glucose.
X can carry fewer antibodies; its platelets can still transport oxygen.
42 exam-style questions on Edexcel GCSE Biology 8.2 Blood and circulation, covering 8.2.1 Structure and function of the blood, 8.2.2 Structure of blood vessels, 8.2.3 Structure of the heart and circulatory system, and 8.2.4 Cardiac output. Each one has a worked solution and a mark scheme showing where the marks go.