GEL ELECTROPHORESIS
Biology
9th - 12th Grade
NGSS covered
Used 2K+ times
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This quiz focuses on gel electrophoresis and genetic technologies in high school biology, targeting students in grades 9-12. The content covers the fundamental principles of gel electrophoresis as a molecular biology technique used to separate DNA fragments based on size, requiring students to understand that restriction enzymes cut DNA into fragments which then migrate through a gel matrix under electrical current. Students must grasp that smaller DNA fragments travel farther and faster than larger ones, and that this technique has practical applications in DNA fingerprinting, paternity testing, and comparing genetic relationships between organisms. The quiz also extends into broader genetic engineering concepts, including the use of enzymes to join DNA from different sources, selective breeding practices, and ecological succession. Students need to demonstrate knowledge of molecular biology vocabulary, interpret gel electrophoresis results and diagrams, and understand the connections between genetic analysis techniques and their real-world applications in forensics, medicine, and agriculture. This quiz was created by a classroom teacher who designed it for students studying biology in grades 9-12. The assessment serves as an excellent tool for reinforcing laboratory concepts after students have completed hands-on gel electrophoresis experiments, and works effectively as both formative assessment during instruction and summative review before unit exams. Teachers can use this quiz as a warm-up activity to activate prior knowledge before advanced genetics lessons, assign it as homework to reinforce laboratory experiences, or implement it as a quick check for understanding during molecular biology units. The questions align with NGSS standards HS-LS3-1 (asking questions to clarify relationships about the role of DNA in coding for proteins) and HS-LS3-3 (applying concepts of statistics and probability to explain variation in traits), while also supporting traditional biology curriculum standards related to molecular genetics, biotechnology applications, and scientific inquiry through data interpretation of electrophoresis results.
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
This laboratory procedure is known as
CLONING
gel electrophoresis
chromatography
use of a dichotomous key
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In preparation for an electrophoresis procedure, enzymes are added to DNA in order to
convert the DNA into gel
cut the DNA into fragments
change the color of the DNA
produce longer sections of DNA
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram represents the results of the procedure known as
cloning
chromatography
gel electrophoresis
protein sequencing
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The parents of a new baby believe they brought the wrong child home from the hospital. Gel electrophoresis was performed using DNA samples from the parents and the child. A section of the gel
electrophoresis results is shown below. Which conclusion is valid based on the gel electrophoresis results?
They have the correct child, because her genetic information is identical to that of the father.
They have the wrong child, because her genetic information does not match that of either parent.
They have the correct child, because her genetic information came from both parents.
They have the wrong child, because her genetic information matches only that of the mother.
Tags
NGSS.HS-LS3-2
NGSS.HS-LS3-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Base your answer to the following question on the diagram below, which represents a portion of a type of organic molecule present in the cells of organisms. This laboratory technique is known as
gel electrophoresis
DNA replication
protein synthesis
genetic recombination
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is this technique an example of?
chromatography
gel electrophoresis
direct harvesting
genetic engineering
Tags
NGSS.HS-LS3-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The results of which laboratory technique are represented in the diagram?
chromatography
manipulation of genes
genetic engineering
gel electrophoresis
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