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WorksheetsAQA Genes, DNA and Chromosomes
Total questions: 13
Worksheet time: 19mins
Name
Class
Date
1.
DNA is inside your cells. What part of the cell is the DNA inside of?
a)
cell membrane
b)
cytoplasm
c)
nucleus
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.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
4.
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
5.
What is a gene
a)
A long length of DNA that codes for a chromosome
b)
A short length of DNA that codes for a chromosome
c)
A short length of DNA that codes for a protein.
6.
The number of human chromosomes is
a)
23
b)
46
c)
92
d)
64
7.
How are similarities passed from parent to offspring?
a)
through teaching
b)
through learning
c)
through blood
d)
through genes
8.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
9.
How many pairs of chromosomes do humans have?
a)
21
b)
22
c)
23
d)
24
10.
cell structures made of protein and DNA
a)
ribosome
b)
chromosome
c)
protein
d)
nucleotide
e)
chromatin
11.
DNA is a molecule made up of a combination of how many DNA bases?
a)
1
b)
2
c)
3
d)
4
12.
Thymine always pairs with
a)
adenine
b)
guanine
c)
cytosine
d)
visine
13.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
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