Understanding DNA Structure Knowledge Check

Quiz
•
Science
•
7th Grade
•
Medium
Standards-aligned
Carrie Walton
Used 3+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the shape of the DNA molecule?
Double helix
Single strand
Triple helix
Circular
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a component of a nucleotide?
Amino acid
Phosphate group
Fatty acid
Protein
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the four nitrogenous bases found in DNA?
Adenine, Thymine, Cytosine, Guanine
Adenine, Uracil, Cytosine, Guanine
Thymine, Uracil, Cytosine, Guanine
Adenine, Thymine, Uracil, Guanine
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain why DNA is important for living organisms.
It provides energy for cells.
It stores genetic information.
It helps in digestion.
It transports oxygen.
Tags
NGSS.HS-LS1-1
NGSS.HS-LS3-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do the base pairing rules contribute to the structure of DNA?
They allow DNA to form a single strand.
They ensure the DNA strands are parallel.
They enable the double helix structure by pairing specific bases.
They prevent DNA from replicating.
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