WorksheetsDNA Quiz 2023 Bio
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
Who is credited with the discovery of DNA?
a)
Watson and Crick
b)
Hershey and Chase
c)
Watson and Franklin
d)
Watson, Crick, Franklin
2.
What is Chargaff’s rule?
a)
Adenine bonds with Guanine; Cytosine bonds with Thymine
b)
Guanine bonds with Cytosine; Adenine bonds with Cytosine
c)
Adenine Bonds with Thymine; Guanine bonds with Cytosine
d)
Adenine bonds with Thymine; Guanine bonds with Adenine
3.
What 3 things make up a DNA nucleotide?
a)
Deoxyribose sugar, enzyme, phosphate
b)
Deoxyribose sugar, phosphate, nitrogenous base
c)
Nitrogenous base, phosphate, enzyme
d)
Nitrogenous base, Ribose sugar, enzyme
4.
Which enzyme unzips DNA for replication?
a)
DNA Polymerase
b)
Helicase
c)
Ligase
d)
RNA polymerase
5.
Which enzyme adds in free floating nucleotides to DNA?
a)
DNA Polymerase
b)
Helicase
c)
Ligase
d)
RNA polymerase
6.
Which enzyme fuses strands of DNA together?
a)
DNA Polymerase
b)
Helicase
c)
Ligase
d)
RNA polymerase
7.
Nitrogenous bases pair with bases that are _____.
a)
available
b)
complimentary
c)
identical
d)
both b and c
8.
Purines consist of
a)
Thymine and Guanine
b)
Adenine and Thymine
c)
Adenine and Guanine
d)
Cytosine and Guanine
9.
What is the process of making a copy of DNA?
a)
anti-parallel
b)
transcription
c)
translation
d)
replication
10.
Took photo 51 using x-ray diffraction
a)
Watson
b)
Crick
c)
Franklin
d)
Hershey
11.
What kind of chemical bond is found between paired bases of the DNA double helix?
a)
hydrogen
b)
ionic
c)
covalent
d)
phosphate
12.
In an analysis of the nucleotide composition of DNA, which of the following will be found?
a)
A = C
b)
A = G and C = T
c)
A + C = G + T
d)
G + C = T + A
13.
What is meant by the description "antiparallel" regarding the strands that make up DNA?
a)
The twisting nature of DNA creates nonparallel strands.
b)
The 5' to 3' direction of one strand runs counter to the 5' to 3' direction of the other strand. (Runs opposite to each other)
c)
One strand contains only purines and the other contains only pyrimidines.
d)
One strand is positively charged and the other is negatively charged.
14.
A mistake in the DNA code is called
a)
base pair
b)
mutation
c)
codon
d)
anti-parallel
100 %
