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2.1 Supplying the cell

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Question 1
F

The Figure shows a single-celled organism called an amoeba. It lives in pond water.

Figure

image

a.

Complete the sentence. Use a word from the list.

equal higher lower

Diffusion is the net movement of particles from an area of higher concentration to an area of ............................ concentration.

[1]
b.

Name gas X.

[1]
c.

Name the process by which water moves into the amoeba through its cell membrane.

[1]
d.

Diffusion is a passive process.

State what is meant by passive.

[1]
Markscheme

2.1 Supplying the cell Questions

  1. GCSE
  2. /Biology
  3. /2.1 Supplying the cell

194 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.

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