wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

DNA & RNA

Total questions: 39

Worksheet time: 40mins

Name
Class
Date
1.

Nucleotides are made up of

a)

nitrogenous bases

b)

phosphate

c)

hydrogen

d)

sugar

e)

carbon

2.

Which of the following enzymes is responsible for sealing up gaps left during DNA replication?

a)

Helicase

b)

Polymerase

c)

Topoisomerase

d)

Ligase

e)

Primase

3.

Which of the following enzymes is responsible for creating an RNA primer to mark the origin?

a)

Polymerase

b)

Topoisomerase

c)

Helicase

d)

Primase

e)

Ligase

4.

Which of the following enzymes is responsible for preventing "unzipped" DNA strands from closing back up?

a)

Topoisomerase

b)

Primase

c)

SSBP

d)

Helicase

e)

Ligase

5.

Which of the following enzymes is responsible for "unzipping" and separating the 2 halves of the double helix?

a)

Polymerase

b)

SSBP

c)

Helicase

d)

Topoisomerase

e)

Ligase

6.

Which of the following enzymes is responsible for preventing the separated halves of the double helix from supercoiling?

a)

Topoisomerase

b)

SSBP

c)

Ligase

d)

Primase

e)

Helicase

7.

Which of the following enzymes is responsible for pulling nitrogenous bases into the nucleus and pairing them?

a)

Helicase

b)

Primase

c)

Topoisomerase

d)

Ligase

e)

Polymerase

8.

Select all of the DNA bases listed.

a)

Thymine

b)

Uracil

c)

Adenine

d)

Cytoplasm

e)

Guanine

9.
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
10.
What type of sugar is in DNA?
a)
sucrose
b)
lactose
c)
ribose
d)
deoxyribose
11.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
12.
If a strand reads:
3' A A A T T T C 5'
The matching strand would read...
a)
5' T T T A A A G 3'
b)
3' T T T A A A G 5'
c)
5' A A A T T T C 3'
d)
3' U U U A A A G 5'
13.
This picture is illustrating the ____ nature of DNA.
a)
anti-parallel
b)
deoxyribosic
c)
helical
d)
radioactive
14.
Polymerase is able to replicate the new DNA ______ along the leading strand.
a)
continuously
b)
only in short fragments
c)
very slowly
d)
prokaryotically
15.
What is the shape of DNA?
a)
Double helix
b)
Triple helix
c)
Flat, bilayer
d)
Three-pronged rigid ladder
16.
These are the "smaller", single ringed bases such as thymine and cytosine
a)
complementary
b)
 cytosine
c)
purine
d)
pyrimidine
17.
These are the "larger", double-ringed bases such as adenine and guanine.
a)
complementary
b)
 cytosine
c)
purine
d)
pyrimidine
18.
In Chargaff's Rule, adenine pairs with ________, and cytosine pairs with _________.
a)
thymine, guanine
b)
guanine, thymine
c)
uracil, guanine
d)
thymine, uracil
19.
What is the sugar in the DNA molecule?
a)
deoxyribose
b)
ribose
c)
glucose
d)
fructose
20.
During which stage of the cell cycle is DNA replicated?
a)
Metaphase
b)
Interphase
c)
G2
d)
Anaphase
21.
Where does DNA get replicated inside the cell?
a)
Cytoplasm
b)
Mitochondria
c)
Nucleus
d)
Cell membrane
22.

The result of DNA replication is:

a)

2 completely new unique strands

b)

2 completely new identical strands

c)

2 strands made of an old half and a new half

23.

Select all of the bases found in RNA.

a)

Adenine

b)

Cytoplasm

c)

Thymine

d)

Guanine

e)

Uracil

24.

Which sugar is found in RNA?

a)

deoxyribose

b)

glucose

c)

ribose

d)

lactose

25.

DNA is found in which of the following organelles?

a)

Cytoplasm

b)

Ribosomes

c)

Nucleus

d)

Cell Membrane

26.

RNA can be found in which of the following organelles?

a)

Nucleus

b)

Cytoplasm

c)

Ribosomes

d)

Chloroplasts

e)

Cell Membrane

27.
In a strand of DNA, if it contains 20% of Thymine, then how much Guanine would be present?
a)
30%
b)
20%
c)
80%
d)
10%
28.
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
29.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
30.
The following picture must be
a)
DNA because it's double stranded
b)
RNA because it's single stranded
c)
DNA because it's single stranded
d)
RNA because it's double stranded
31.
Which type of RNA takes the instructions from the nucleus to the cytoplasm?
a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA polymerase
32.
What is the template for mRNA?
a)
DNA
b)
tRNA
c)
rRNA
d)
proteins
33.
What is the product of transcription?
a)
DNA
b)
mRNA
c)
tRNA
d)
proteins
34.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
ribosome
35.
What is occurring in this picture?
a)
Translation
b)
Replication
c)
Translocation
d)
Transcription
36.

What enzyme does transcription use?

a)

DNA polymerase

b)

ligase

c)

RNA polymerase

d)

helicase

37.

Which RNA brings amino acids?

a)

rRNA

b)

tRNA

c)

mRNA

38.

Which RNA forms part of the ribosomes?

a)

tRNA

b)

mRNA

c)

rRNA

39.

Which RNA carries the message?

a)

mRNA

b)

rRNA

c)

tRNA

Similar Resources on Wayground

Year 7 Revision - Forces and Magnets

35 questions

Year 7 Revision - Forces and Magnets

quiz

Worksheet

•

7th Grade

The Material World

38 questions

The Material World

quiz

Worksheet

•

7th Grade

10 Marine Science Review

44 questions

10 Marine Science Review

quiz

Worksheet

•

10th - 11th Grade

2nd Six Weeks Test

35 questions

2nd Six Weeks Test

quiz

Worksheet

•

8th Grade

Science Form 3_Chap 1.3 & 1.4

40 questions

Science Form 3_Chap 1.3 & 1.4

quiz

Worksheet

•

9th Grade

Solar system test

35 questions

Solar system test

quiz

Worksheet

•

5th - 8th Grade

Light and Shadow Quiz

40 questions

Light and Shadow Quiz

quiz

Worksheet

•

6th Grade - University