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2.2 The challenges of size

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Question 15
F

Blood is made of red blood cells, white blood cells, platelets and plasma.

Which substances are transported dissolved in the plasma?

[1]
A

Oxygen, amino acids and urea

B

Carbon dioxide, glucose and urea

C

Oxygen, haemoglobin and hormones

D

Carbon dioxide, urea and haemoglobin

Markscheme

2.2 The challenges of size Questions

  1. GCSE
  2. /Biology
  3. /2.2 The challenges of size

114 exam-style questions on OCR GCSE Biology 2.2 The challenges of size, covering 2.2.1 Exchange surfaces and surface area : volume ratio, 2.2.2 Substances transported in organisms, 2.2.3 The human circulatory system, 2.2.4 The heart and blood vessels, 2.2.5 Red blood cells and plasma, 2.2.6 Uptake of water and mineral ions by plants, 2.2.7 Transpiration and translocation, 2.2.8 Xylem and phloem, 2.2.9 Environmental factors and water uptake, and 2.2.10 Using a potometer. Each one has a worked solution and a mark scheme showing where the marks go.

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