WorksheetsRNA DNA
Total questions: 27
Worksheet time: 20mins
Name
Class
Date
1.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
2.
Which of the following units are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
3.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
4.
Watson and Crick were the first to suggest that DNA is _____
a)
a short molecule
b)
the shape of a double helix
c)
a protein molecule
d)
the genetic material
5.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
6.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
7.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
8.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
9.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
10.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
11.
Which statement is TRUE regarding DNA and RNA?
a)
DNA's sugar is ribose; RNA's sugar is deoxyribose
b)
DNA is single stranded; RNA is double stranded
c)
DNA contains thymine; RNA contains uracil
d)
DNA is in cytoplasm; RNA is in nucleus
12.
Which type of RNA takes the amino acids to the ribosome?
a)
tRNA
b)
Models enable scientists to visualize mRNA
c)
Models can be adapted and changed rRNA
13.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
14.
Which of the following bases is NOT found in RNA?
a)
Thymine
b)
Adenine
c)
Guanine
d)
Cytosine
15.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
16.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
17.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
18.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
19.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
20.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
21.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
22.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
23.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
24.
Which of the following bases is NOT found in RNA?
a)
Thymine
b)
Adenine
c)
Guanine
d)
Cytosine
25.
Which statement is TRUE regarding DNA and RNA?
a)
DNA's sugar is ribose; RNA's sugar is deoxyribose
b)
DNA is single stranded; RNA is double stranded
c)
DNA contains thymine; RNA contains uracil
d)
DNA is in cytoplasm; RNA is in nucleus
26.
Which type of RNA takes the amino acids to the ribosome?
a)
tRNA
b)
Models enable scientists to visualize mRNA
c)
Models can be adapted and changed rRNA
27.
What scientist used X-ray diffraction to determine the structure of DNA, which was used by Watson and Crick to win the Nobel Prize?
a)
Isaac Newton
b)
Rosalind Franklin
c)
Robert Hooke
d)
Francis Griffith
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