CSEC Biology · January 2021 · Paper 2 · Question 3(b)(i)
Define the term 'diffusion'.
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Practise this questionOther parts of this question
- 3(a)List FOUR structures that are common to both plant and animal cells.[4 marks]
- 3(b)(ii)Define the term 'osmosis'.[1 mark]
- 3(b)(iii)Define the term 'active transport'.[1 mark]
- 3(c)(i)State the expected result of the experiment investigating the effect of concentration on diffusion shown in Figure 4.[1 mark]
- 3(c)(ii)Explain the expected results stated in your answer in (c)(i).[3 marks]
- 3(d)Discuss FOUR ways in which diffusion is important to mammals.[4 marks]
More practice: the rest of this paper · more Transport Across Membranes questions · all CSEC Biology past papers