logo

Cambridge IGCSE Biology practice

Why is exposure to mutagens a concern?

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

Show answerVariation revisionRevise the key idea

At a glance

MCQ

Type

cambridge_mcq

Style

Topic

Variation

Exam-style question

Try this first

Why is exposure to mutagens a concern?.

  1. A.Because they increase mutation rate
  2. B.Because they improve health
  3. C.Because they reduce mutations
  4. D.Because they provide energy

Answer and explanation

Attempt the question first, then reveal the model answer and explanation.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

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

0 of 3 attempted

Paper 3 structured question: Variation

Paper 3Theory (Core)1 marks

Description

Mutation rate and environmental factors

Mutations can occur naturally but certain environmental factors increase their frequency. Ionising radiation and some chemicals are known to raise the mutation rate by damaging DNA.

  1. a

    State one factor that can increase the mutation rate.

    Aim for approximately 1 distinct marking point.

    [1]