Test
DNA structure quiz
This 9th-grade quiz helps students practice identifying nucleotide components, base pairing rules, differences between DNA and RNA, and DNA replication enzymes through multiple-choice and select-all-that-apply questions, reinforcing key molecular biology concepts.
By Edform · Biology · Grade 9 · Published Oct 15, 2026 · New
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Questions
- Which of the following is NOT a component of a DNA nucleotide?
- Which of the following are pyrimidine bases found in DNA? Select all that apply.
- What type of bond holds the two strands of DNA together between the bases?
- In DNA, adenine always pairs with thymine.
- Name the enzyme that unwinds the DNA double helix during replication.
- Which of the following best describes the shape of a DNA molecule?
- Which of the following statements are true about RNA? Select all that apply.
- DNA polymerase is responsible for adding new nucleotides during DNA replication.
- What are the two categories of nitrogenous bases in DNA? (List both)
- Which enzyme seals fragments of DNA together during replication?
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