Biomolecules and Enzymes
Authored by Yvonne Perez
Biology
9th Grade
NGSS covered
Used 671+ times
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About
This quiz comprehensively covers biomolecules and enzymes, fundamental topics in high school biology appropriate for 9th grade students. The questions assess students' understanding of the four major biomolecules—carbohydrates, lipids, proteins, and nucleic acids—along with their structures, functions, and real-world examples. Students need to recognize that carbohydrates serve as quick energy sources and include sugars and starches, while lipids provide long-term energy storage and insulation through fats, oils, and waxes. They must understand that proteins build cellular structures like muscles and are composed of amino acid monomers, and that nucleic acids store genetic information. The enzyme portion requires students to grasp that enzymes are specialized proteins that function as catalysts, lowering activation energy to speed up biochemical reactions. Students must know enzyme nomenclature (typically ending in -ase), understand the active site as the binding location for substrates, and recognize enzymes as biological catalysts that increase reaction rates without being consumed. Created by Yvonne Perez, a Biology teacher in the US who teaches grade 9. This quiz serves as an excellent formative assessment tool to gauge student comprehension of fundamental biochemistry concepts before advancing to more complex cellular processes. Teachers can deploy this as a warm-up activity to activate prior knowledge, use it for guided practice during instruction, or assign it as homework to reinforce classroom learning. The quiz works particularly well as a review tool before unit tests or as a diagnostic assessment to identify areas needing additional instruction. The varied question formats, from basic identification to application of enzyme function, allow teachers to assess different levels of understanding within the same assessment. This material aligns with NGSS HS-LS1-6, which focuses on how molecular interactions within cells enable essential biological processes, and supports Common Core literacy standards in science through vocabulary development and scientific reasoning skills.
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15 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What biomolecule do enzymes belong to?
Tags
NGSS.MS-LS1-7
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which biomolecule is a main source of quick energy?
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which biomolecule is found in fats, oils, and waxes and is a source of long-term energy?
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the function of a nucleic acid?
Tags
NGSS.HS-LS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which biomolecule helps form muscles?
Nucleic Acid
Carbohydrate
Protein
Lipids
Tags
NGSS.HS-LS1-6
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which biomolecule is responsible for insulation and energy storage?
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which biomolecule has sugars and starches?
Tags
NGSS.MS-LS1-7
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