Cambridge IGCSE Biology practice

Paper 3 structured question: Osmosis

Try the question first, then check the answer and practise the same topic again.

At a glance

Paper

Marks

Topic

Osmosis

Exam-style question

Try this first

Paper 3Theory (Core)3 marks

Water plays a key role in excretion and transport in animals.

Description

Water dissolves waste products for excretion and carries dissolved substances in the blood.

a
Describe how water functions as a solvent in excretion and transport.
Your answer
Aim for approximately 3 distinct marking points.
[3]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Flashcard 1 of 6

Press Space to flip, arrows to move

Paper 3Theory (Core)2 marks

Description

Water dissolves many substances, which helps in digestion, excretion, and transport within organisms.

a
Describe how water functions as a solvent during digestion.
Your answer
Aim for approximately 2 distinct marking points.
[2]