DNA 7th grade
Authored by Kyra Grzywacz
Biology
7th Grade - University
NGSS covered
Used 323+ times
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About
This quiz covers DNA structure, replication, and modern biotechnology applications, targeting 7th grade life science students. The questions assess fundamental concepts including the double helix structure, complementary base pairing rules (A-T, C-G), DNA replication as a semi-conservative process, and the relationship between DNA, genes, and chromosomes. Students need to understand that DNA carries genetic information, is located in the cell nucleus, and follows specific pairing rules during replication. The quiz extends beyond basic structure to cover mutations, genetic engineering, cloning, and biotechnology applications in medicine and environmental science. Students must demonstrate knowledge of historical discoveries by Watson, Crick, and Franklin, understand that humans have 23 chromosome pairs, and recognize examples of genetic modification and biotechnology in real-world contexts. The material requires students to distinguish between different biotechnology processes like cloning, genetic engineering, and gene therapy while understanding both beneficial and potentially harmful aspects of genetic mutations. Created by Kyra Grzywacz, a Biology teacher in the US who teaches grade 7. This comprehensive assessment serves multiple instructional purposes, from introducing students to molecular genetics concepts to reviewing biotechnology applications in modern society. The quiz works effectively as a formative assessment tool to gauge student understanding before moving into more complex genetics topics, or as review material before summative assessments. Teachers can use individual questions as warm-up activities to reinforce specific concepts like base pairing or assign the complete quiz as homework to reinforce classroom learning. The varied question types and real-world applications make it particularly valuable for helping students connect abstract molecular concepts to practical biotechnology applications they encounter in current events and everyday life. The content aligns with NGSS standards MS-LS3-1 (genetic information inheritance) and MS-LS4-5 (environmental and genetic factors in organism traits).
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27 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Who were the first guys to build a model of a DNA molecule?
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The shape of the DNA molecule is a double __________________?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When DNA makes a copy of itself, the new strands are identical or different?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What kind of information does DNA carry?
Tags
NGSS.HS-LS1-1
NGSS.HS-LS3-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
DNA makes a copy of itself the single stranded copy is called:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What would be the correct matching sequence for the other side of this DNA ATTGGCCTAGA:
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Cytosine always bonds with _________________.
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