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IB Biology SL D1.3.4 Causes of Mutation Questions

IB Biology SL D1.3.4 covers mutations caused by replication or repair errors, chromosome damage, and mutagens such as chemicals, ionizing radiation and ultraviolet radiation.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Explain that replication errors can cause mutations and that radiation or chemical mutagens can affect DNA bases or increase mutation frequency.
  • Use UV exposure or SPF-treatment evidence to describe changes in mutation frequency or damage by comparing the relevant control or treatment groups.

IB Biology SL D1.3.4 Causes of Mutation Questions question 1

[Maximum number: 1]

The Cancer Council of New South Wales has stated that one in five cancer deaths are caused by smoking. How can smoking cause cancer?

A

20 % of smokers get cancer.

B

Cigarette smoke contains mutagenic chemicals.

C

Smoking reduces the rate of mitosis in cells.

D

Smoking is addictive.

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