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IB Biology SL A1.2.9 Diversity of Dna Base Sequences Questions

Practise IB Biology SL A1.2.9 by linking four DNA bases and their order to information storage, genome size and biological diversity.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Relate the four DNA bases and their order to the information stored in DNA.
  • Relate genome size and gene number to the amount and diversity of biological information encoded in DNA.

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Study A1.2.9—Diversity of DNA base sequences conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology SL A1.2.9 Diversity of Dna Base Sequences Questions question 1

[Maximum number: 1]

What allows DNA to store very large amounts of data?

A

Two strands of DNA

B

Base sequence

C

Complementary base pairing

D

Sugar-phosphate backbone

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