Skip to content

Course home

Sign up

1.4 Transport across cell membranes

EasyMediumHard
1234567891011121314151617181920212223242526272829303132
Question 8
F

A single-celled organism lives in pond water. Oxygen diffuses into the organism across its cell membrane.

a.

Explain why oxygen keeps diffusing into the cell.

[3]
b.

Carbon dioxide diffuses out of the cell.

Explain why carbon dioxide moves out of the cell.

[2]
Markscheme

1.4 Transport across cell membranes Questions

  1. GCSE
  2. /Biology
  3. /1.4 Transport across cell membranes

41 exam-style questions on Edexcel GCSE Biology 1.4 Transport across cell membranes, covering 1.4.1 Transport into and out of cells and 1.4.2 Percentage gain and loss in osmosis. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank