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WorksheetsDNA Introduction
Total questions: 13
Worksheet time: 29mins
Name
Class
Date
1.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
2.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
3.
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
4.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
5.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
6.
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
7.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
8.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
9.
DNA codes for...
a)
bases
b)
proteins
c)
amino acids
d)
phosphates
10.
Which two scientists are accredited with correctly deducing the double helix model of DNA?
a)
Watson and Crick
b)
Wilkins and Franklin
c)
Wilkins and Crick
d)
Watson and Franklin
11.
Adenine, Cytosine, Guanine and Thymine are examples of
a)
DNA structure
b)
DNA bases
c)
DNA double helix
d)
Paired bases
12.
The sequence of bases forms the
a)
Genetic Code
b)
DNA base pair
c)
Double Helix
d)
Paired bases
13.
What is a DNA molecule made of?
a)
Base, sugar, phosphate
b)
Base, sugar, coffee
c)
Base, roof, height
d)
DNA, sugar, phosphate
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