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WorksheetsBiology Midterm Review
Total questions: 15
Worksheet time: 14mins
Name
Class
Date
1.
What is the difference between aerobic and anaerobic environments?
a)
Anaerobic uses oxygen and aerobic does not
b)
Aerobic and anaerobic environments both use oxygen
c)
Aerobic uses oxygen and anaerobic does not
d)
Aerobic and anaerobic both do not use oxygen
2.
Photosynthesis uses solar energy from the sun to create
a)
High energy sugars like glucose
b)
High energy proteins
c)
High energy lipids
d)
High energy nucleic acids
3.
How are photosynthesis and cellular respiration related processes?
a)
Both provide plant cells with energy
b)
Both provide animal cells with energy
c)
The reactants of respiration are the products of photosynthesis.
d)
The reactants of respiration are the reactants of photosynthesis.
4.
What is an enzyme?
a)
A biological catalyst that works in living cells to speed up chemical reactions.
b)
A biological catalyst that works outside living cells to speed up chemical reactions.
c)
A protein that increases activation energy
d)
A product of chemical reactions.
5.
What is responsible for making a protein?
a)
The sequence of the phosphate-sugar backbone.
b)
The sequence of lipids.
c)
The sequence of nitrogenous bases.
d)
The sequence of carbohydrates.
6.
Which of the following describes transcription?
a)
tRNA is made from a DNA template.
b)
tRNA is made in the ribosome.
c)
mRNA is made in the ribosome.
d)
mRNA is made from a DNA template.
7.
A segment of DNA has the following code: T-A-C-G-C-A-A-C-T. What is the correct mRNA sequence?
a)
A-T-G-C-G-T-T-G-A
b)
A-U-G-C-G-U-U-G-A
c)
U-A-C-G-C-A-A-C-U
d)
T-A-C-G-C-A-A-C-T
8.
A segment of DNA has the following code: T-A-C-G-C-G-A-A-T. Which represents DNA replication correctly?
a)
U-A-C-G-C-G-A-A-U
b)
T-A-C-G-C-G-A-A-T
c)
A-U-G-C-G-C-U-U-A
d)
A-T-G-C-G-C-T-T-A
9.
Which of the following is NOT a difference between a plant and animal cell?
a)
Plant cells have chloroplasts, animal cells do not.
b)
Animal cells are round, plant cells are square.
c)
Animal cells are square, plant cells are round.
d)
Plant cells have a cell wall and large central vacuole.
10.
Which of the following is NOT a difference between DNA and RNA?
a)
DNA is double-stranded, RNA is single-stranded.
b)
DNA contains the sugar deoxyribose, RNA contains the sugar ribose.
c)
DNA contains uracil, RNA contains thymine.
d)
DNA contains thymine, RNA contains uracil.
11.
What is the difference between passive and active transport?
a)
Active transport does not require energy.
b)
Passive transport does require energy.
c)
Passive transport does not require ATP energy, but active transport does.
d)
Active transport does not require ATP energy, but passive transport does.
12.
Facilitated diffusion allows large molecules to pass through the cell membrane with the help of protein channels, but does not require energy. It is a ________ process.
a)
Passive
b)
Active
c)
ATP
d)
Protein
13.
What is the purpose of DNA replication?
a)
To copy DNA
b)
To copy RNA
c)
To use DNA to make mRNA
d)
To use DNA to make tRNA.
14.
Which organelle provides your body the energy it needs to function?
a)
Chloroplast
b)
Lysosome
c)
Mitochondria
d)
Golgi apparatus
15.
If 10% of a DNA sample is made up of cytosine, what percentage is made up of thymine?
a)
10%
b)
20%
c)
30%
d)
40%
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