logo

Learning objective

Identify that water enters and exits cells through the cell membrane by osmosis.

Read the explanation, check the common trap, then practise with flashcards and questions.

Practise this topicRead the exam answerTopic hub

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE BiologyMovement into and out of cellsCore content

Study support

Understand this objective

Quick explanation

Identify that water enters and exits cells through the cell membrane by osmosis

  • This point belongs to Osmosis, especially Osmosis outcomes.
  • You need to be able to identify that water enters and exits cells through the cell membrane by osmosis.
  • The key ideas to know are State.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

State

Why it matters

This objective helps connect Osmosis outcomes to exam-style questions, flashcards, and revision notes for Osmosis.

Revision tools

Choose how to practise

Back to topic hub
Flashcards10 linked cards

Flashcard 1 of 10

Press Space to flip, arrows to move
Practice Questions7 linked questions

Question 1 of 7

Choose an answer, get feedback, then move sideways through the set.

0 of 5 attempted

Paper 3 structured question: Osmosis

Paper 3Theory (Core)1 marks

Diagram Description

Diagram of a cell in a solution

A diagram shows a cell surrounded by a solution. The concentration of water molecules is higher outside the cell than inside.

  1. a

    State the process by which water enters the cell through the cell membrane.

    Aim for approximately 1 distinct marking point.

    [1]
Revision notestopic notes

Open the full topic revision notes when you are ready to review this objective in context.

Open revision notes

Related learning objectives

Revision hubs

Move back to a broader study route

Cambridge IGCSEBiology resources