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WorksheetsB6 DNA
Total questions: 17
Worksheet time: 15mins
Name
Class
Date
1.
Which of the following is a base that is NOT contained in DNA?
a)
Adenine
b)
Thymine
c)
Uracil
d)
Guanine
2.
The DNA is found in the nucleus of what type of organisms?
a)
Bacteria
b)
Eukaryotes
c)
Prokaryotes
d)
Viruses
3.
Which of the following does NOT describe the structure of DNA?
a)
double helix
b)
nucleotide polymer
c)
sugar-phosphate backbone
d)
contains adenine-uracil pairs
4.
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
5.
DNA is a polymer made of monomers called
a)
Nucleotides
b)
Proteins
c)
Amino Acids
d)
Lipids
6.
What is the structure of DNA?
a)
A single helix
b)
Nitrogen bases
c)
A double helix
d)
It has no structure
7.
What is a nucleotide?
a)
Lipid
b)
A single base, deoxyribose sugar, and a phosphate
c)
Carbohydrate
d)
All of the above
8.
Fill in the complementary bases according to the base-pair rule in DNA: A T C C A G
a)
T U G G T C
b)
T A G G T C
c)
T A C G T G
d)
T A C C A C
9.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
10.
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
11.
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
12.
The diagrams represent stages in cell division by mitosis. (only one chromosome is represented).
What is the correct sequence of events?
What is the correct sequence of events?
a)
a b c d e
b)
b a c e d
c)
b a d c e
d)
d b a c e
13.
The process of cell division by meiosis takes place only in ...
a)
skin cells
b)
red bone marrow
c)
reproductive organs
d)
lymphocytes
14.
In a DNA molecule, which of the molecules listed below pairs with A (adenine)?
a)
T (thymine)
b)
G (guanine)
c)
U (uracil)
d)
C (cytosine)
15.
In a mRNA molecule, which of the molecules listed below pairs with A (adenine)?
a)
T (thymine)
b)
G (guanine)
c)
U (uracil)
d)
C (cytosine)
16.
Asexual reproduction in plants ...
a)
involves self-fertilisation
b)
maintains the characteristics of the plant
c)
produces variation in the offspring
d)
disperses the offspring widely
17.
What are proteins made of?
a)
Amino acids
b)
Gens
c)
DNA
d)
C-G and A-T
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