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DNA and Genetics Quiz
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DNA and Genetics Quiz
🧬 Part 1: DNA Structure and Chromosomes
1. What shape is DNA?
Single straight line
Double helix (twisted ladder)
Circle
Triangle
2. Which bases pair together in DNA?
A pairs with T, G pairs with C
A pairs with G, T pairs with C
A pairs with C, T pairs with G
All bases pair with each other
3. What are chromosomes made of?
Only proteins
DNA and proteins
Only DNA
Water and minerals
4. What is a gene?
A section of DNA that codes for a trait
A type of cell
A chromosome
A protein
🔄 Part 2: DNA Processes
5. What happens during DNA replication?
DNA is destroyed
DNA makes an exact copy of itself
DNA changes into RNA
DNA moves to a different cell
6. During mitosis, what happens to chromosomes?
They disappear completely
They are copied and divided equally between two new cells
They merge together
They change colour
7. What is transcription?
Making DNA from RNA
Making RNA from DNA
Making proteins from DNA
Copying chromosomes
8. What is a codon?
A group of three bases that codes for an amino acid
A single DNA base
A type of chromosome
A protein molecule
🧪 Part 3: Application Questions
9. If one DNA strand has the sequence ATCG, what would the complementary strand be?
ATCG
TAGC
CGTA
GCTA
10. Why is DNA replication important for living organisms?
It allows cells to divide and organisms to grow
It makes organisms stronger
It changes the organism's appearance
It helps organisms move faster
Success Criteria: I can identify DNA structure, explain base pairing, describe mitosis and DNA replication, and understand the role of genes and codons.
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