Practice D1.1 DNA replication with authentic IB Biology exam questions for both SL and HL students. This question bank mirrors Paper 1A, 1B, 2 structure, covering key topics like cell biology, genetics, and ecology. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
Paper
Level
Question 1
SLPaper 1A
What does semi-conservative replication mean?
Question 2
SLPaper 1A
Which scenario best describes the use of gel electrophoresis?
Question 3
SLPaper 1A
DNA replication allows exact copying of the genome. What feature makes this process highly accurate?
Question 4
SLPaper 1A
The image above illustrates an early model of DNA replication later termed "dispersive replication." Which feature most clearly distinguishes this model from the semi-conservative model of DNA replication?
Question 5
SLPaper 1A
Which enzyme is used in PCR to build new strands of DNA?
Question 6
SLPaper 1A
What is the main purpose of DNA replication in multicellular organisms?
Question 7
SLPaper 1A
During DNA replication in cells, which sequence of events is correct?
Question 8
SLPaper 1A
A forensic sample contains a small amount of degraded DNA. What two techniques would most likely be used in combination?
Question 9
SLPaper 1A
If DNA replication fails before mitosis, which result is most likely?
Question 10
SLPaper 1A
During DNA replication, which pairing is correct due to complementary base rules?