Edexcel International GCSE Biology
Edexcel International GCSE Biology Movement of Substances into and out of Cells Exam Questions
Free Edexcel International GCSE Biology exam questions on Movement of Substances into and out of Cells, with mark schemes. Covers diffusion, osmosis and active transport and factors affecting them.
Movement of Substances into and out of Cells exam questions
These packs of real past exam questions cover the whole of Section 2: Structure and Functions in Living Organisms, including Movement of Substances into and out of Cells. Work through every question on this sub-topic, then mark your answers against the mark scheme.
StemUp mark scheme flashcards
Edexcel IGCSE Biology 4BI1 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About Edexcel International GCSE Biology Movement of Substances into and out of Cells
This sub-topic covers how substances enter and leave cells.
What you need to know
- Diffusion Net movement down a concentration gradient.
- Osmosis Water through a partially permeable membrane.
- Active transport Uses energy against a gradient.
Common mistakes in Movement of Substances into and out of Cells
- Saying osmosis is movement of solute.
- Forgetting active transport needs respiration.
Try two Movement of Substances into and out of Cells exam-style questions
1. Define osmosis. (2 marks)
Show the mark scheme answer
Net movement of water across a partially permeable membrane (1) from a dilute to a more concentrated solution (1).
2. Give one factor that increases diffusion rate. (1 mark)
Show the mark scheme answer
Larger surface area, higher temperature or steeper gradient.
Movement of Substances into and out of Cells FAQs
What does this cover?
Diffusion, osmosis and active transport.
Which practical links here?
Osmosis in potato tissue.
Revise this topic with flashcards: Edexcel IGCSE Biology 4BI1 Flashcards, with mark scheme answers for Anki and Quizlet.
