Cambridge IGCSE Biology practice

Paper 4 structured question: Active transport

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

At a glance

Paper

Marks

Topic

Active transport

Exam-style question

Try this first

Paper 4Theory (Extended)3 marks

Root hair cells absorb mineral ions from the soil to help the plant grow.

Description

Root hair cells take in mineral ions from the soil even when the concentration of ions is higher inside the cell than outside.

a
Explain how root hair cells absorb mineral ions from the soil when the concentration is higher inside the cell than outside.
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 4Theory (Extended)1 marks

Description

Root hair cells absorb ions from the soil using active transport, which requires energy.

a
Identify the source of energy used in active transport in root hair cells.
Your answer
Aim for approximately 1 distinct marking point.
[1]