DNA and RNA Test Review
Authored by Landon Ennis
Biology
9th - 10th Grade
NGSS covered
Used 445+ times
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About
This comprehensive quiz covers molecular biology fundamentals, specifically DNA and RNA structure, function, and replication processes, along with genetic mutations. The content is appropriate for 9th-10th grade biology students who are developing their understanding of genetics and molecular mechanisms. Students need to master several core concepts to succeed: Chargaff's rules governing base pairing ratios, the double helix structure and its components (nucleotides, sugar-phosphate backbone, nitrogenous bases), complementary base pairing rules for both DNA and RNA, the central dogma of molecular biology (DNA→RNA→protein), and the processes of replication and transcription. Additionally, students must understand different types of mutations including point mutations, frameshift mutations, and chromosomal aberrations, as well as distinguish between somatic and germ cell mutations. The questions require both factual recall and application of base-pairing rules to solve problems involving DNA sequences and complementary strand formation. Created by Landon Ennis, a Biology teacher in the US who teaches grades 9-10. This quiz serves as an excellent comprehensive review tool before summative assessments, allowing students to test their knowledge across the entire DNA and RNA unit in a structured format. Teachers can assign this as homework for independent practice, use it as a warm-up activity spread across multiple class periods, or implement it as a formative assessment to identify areas where students need additional support before the actual test. The variety of question types—from basic vocabulary and structure identification to sequence analysis and mutation classification—makes it valuable for differentiated instruction and helps students build confidence with both foundational concepts and higher-order applications. This assessment aligns with NGSS standards HS-LS1-1 (constructing explanations for how DNA determines organism structure and function) and HS-LS3-1 (developing models to explain DNA's role in heredity), while supporting Common Core mathematical practices through quantitative analysis of base composition problems.
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41 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a strand of DNA, if it contains 20% of Thymine, then how much Guanine would be present?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following best describes a DNA molecule?
Tags
NGSS.HS-LS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following units are repeatedly joined together to form a strand of DNA?
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Guanine bonds with ______________.
Tags
CCSS.RI.11-12.7
CCSS.RI.8.7
CCSS.RI.9-10.7
CCSS.RL.8.7
CCSS.RL.9-10.7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
7.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
Why is DNA important?
Tags
NGSS.HS-LS1-1
NGSS.HS-LS3-1
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