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Biology Midterm Review

Total questions: 106

Worksheet time: 2hrs 35mins

Name
Class
Date
1.

Which is a good example of a hypothesis for the following scientific question, "Does playing violent video games lead to higher blood pressure?"

a)

Playing violent video games gives people higher blood pressure.

b)

If you have higher blood pressure, then you play violent video games.

c)

If you play violent video games you will have higher blood pressure.

d)

If you play violent video games, then you will have higher blood pressure.

2.

A dependent variable is __________.

a)

What is measured in an experiment

b)

What you change in an experiment

c)

A prediction about an experiment

d)

What stays the same in an experiment

3.

What is the main reason scientists have constants?

a)

So scientists know their results came only from the independent variable and nothing else

b)

So scientists stay safe

c)

So scientists can record data easier

d)

So the experiment is clear and easy to understand

4.

What is the first step in the scientific method?

a)

Form a hypothesis

b)

Make an observation and ask a question about it

c)

Research your topic

d)

Record and analyze data

5.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
6.
Organisms that breaks down and absorbs nutrients from dead organisms 
a)
consumer
b)
trophic level
c)
decomposer
d)
species
7.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
8.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
9.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 
10.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
80%
d)
90%
11.

What is a niche?

a)

The habitat that an organism lives in

b)

An organism’s “role” in an ecosystem

c)

A type of consumer

d)

The relationship between a producer and consumer

12.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
13.

___ is when living things struggle against one another to get resources – like food, water, space, mates, etc.

a)

competition

b)

cooperation

c)

predation

d)

symbiosis

14.

___  the branch of science that studies how organisms interact with one another & with their environment.

a)

ecology

b)

geology

c)

astronomy

d)

chemistry

15.

___ is a word that describes all of the non-living parts of an ecosystem.

a)

abiotic

b)

biotic

c)

robotic

d)

probiotic

16.

Emigration is

a)

the movement out of an area

b)

the movement into an area

c)

movement in and out of an area

d)

migration

17.

Why don't populations grow indefinitely?

a)

limiting factors

b)

only biotic factors

c)

only abiotic factors

d)

none of the above

18.

What is the arrow pointing at?

a)

carrying capacity

b)

biotic potential

c)

density-independent

d)

density dependent

19.

What is the carrying capacity mean?

a)

The number of individuals an area can carry

b)

the number of births

c)

The number of deaths an area has

d)

not sure

20.

In a forest ecosystem, which of the following is the best example of a limiting factor for a squirrel population?

a)

sunlight

b)

snake population

c)

nuts available

d)

grass available

21.

What is the basic structural and functional unit of all living things?

a)

atom

b)

cell

c)

bacteria

d)

animalcules

22.

The 3 parts of the Cell Theory are...?

a)

All living things are composed of cells

Cells are the basic units of structure and function in living things

All cells are produced from other cells

b)

All living things are composed of cells

Cells are the basic units of dance and vibes in living things

All cells are destroyed from other aliens

c)

All living things are composed of Jell-O

Cells are the basic units of structure and function in living things

All cells are produced from factories in Canada

d)

All living things are composed of cells

Cells do karate and practice eating whole pies in their free time

All cells are produced from other cells

23.

What does it mean to say that a cell membrane is semipermeable?

a)

it allows some materials to pass through

b)

it allows nothing to enter the cell, only to leave

c)

It only allows things into the cell and not out

d)

it allows all materials to pass through

24.

What is the function of an organelle?

a)

to take up space

b)

to carry out a specific function in the cell

c)

to carry out all the functions of a cell

d)

to create new cells

25.

What is the function of the mitochondria?

a)

to capture energy from the sun and turn it to sugar

b)

to release usable energy for the cell

c)

to store energy for when the cell needs it

d)

to remove waste from the cell

26.

What organelle allows plants to create their glucose?

a)

Mitochondira

b)

Lysosome

c)

Ribosome

d)

Chloroplast

27.

What is the difference the key difference between prokaryotic and eukaryotic cells?

a)

Prokaryotes have a nucleus, Eukaryotes do not

b)

Eukaryotes have a nucleus, Prokaryotes do not

c)

Prokaryotes have a cell membrane, Eukaryotes do not

d)

Eukaryotes have ribosomes, Prokaryotes do not

28.

Which of the following organelles do plants have that animals to not? (Select all that apply)

a)

Cell wall

b)

Golgi Apparatus

c)

Endoplasmic Reticulum

d)

Chloroplasts

e)

Ribosomes

29.

What type of cell is this?

a)

Plant

b)

Animal

c)

Prokaryote

30.

What type of cell is this?

a)

Plant

b)

Animal

c)

Prokaryote

31.

What type of cell is this?

a)

Plant

b)

Animal

c)

Prokaryote

32.

___ is particle movement from an area of lower concentration to an area of higher concentration.

a)

Active transport

b)

Passive transport

33.

Which type of passive transport focuses on the movement of water through the membrane?

a)

Facilitated diffusion

b)

Osmosis

c)

Diffusion

34.

The cell shrunk in size, which means it was placed in a ____ solution.

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

35.

What term describes a solution that has the same solute concentration inside of and outside of the cell?

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

36.
In which case would a cell most likely shrink?
a)
when placed in a solution containing a high salt concentration
b)
when placed in a isotonic solution
c)
when placed in a solution containing a low pH
d)
when placed in a solution containing distilled water
37.
A student noticed that placing wilted lettuce in a bowl of cool water caused the lettuce to become more crisp and firm. What is the best explanation for his observation?
a)
Water moved into the lettuce cells by active transport.
b)
Water moved into the lettuce cells by osmosis.
c)
Salt moved into the lettuce cells by diffusion.
d)
Water moved out of the lettuce cells by osmosis.
38.

What part of the cell regulates what can enter and leave the cell?  

a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
39.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
40.

Particle of movement from an area of higher concentration to an area of lower concentration.

a)

Active transport

b)

Passive transport

41.

Which type of transport uses energy in the form of ATP to transport substances?

a)

Active transport

b)

Passive transport

42.

What is the term to describe maintaining internal balance in the cell? 

a)

Diffusion

b)

Homeostasis

c)

Osmosis

d)

Active transport

43.

Which of these is not a form of passive transport?

a)

Endocytosis

b)

Diffusion

c)

Osmosis

d)

Facilitated Diffusion

44.

What macromolecule is embedded into the lipid bilayer and helps to transport molecules?

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acid

45.

An organism that can make its own food

a)

autobot

b)

heterotroph

c)

autotroph

d)

heterobot

46.

An organism that cannot make its own food.

a)

autobot

b)

heterotroph

c)

autotroph

d)

heterobot

47.

The 'outputs' of a chemical reaction. Located on the right side of a chemical equation.

a)

products

b)

produce

c)

consumers

d)

detritis

48.

The raw materials of a chemical reaction. Located on the left side of a chemical equation.

a)

water

b)

energy

c)

resources

d)

reactants

49.

Location inside of a plant cell where the process of photosynthesis occurs.

a)

nodules

b)

stomata

c)

chloroplasts

d)

chlorophyll

50.

Pigment which 'fills' chloroplast. This pigment absorbs sunlight.

a)

nodules

b)

stomata

c)

chlorine

d)

chlorophyll

51.

A process plants use to turn sunlight into food: Conversion of light energy from the sun into chemical energy (stored in glucose).

a)

toxoplasmosis

b)

photosynthesis

c)

aqua-synthesis

d)

homeosynthesis

52.

A gas that plants take in through small holes in their leaves for the process of photosynthesis.

a)

oxygen

b)

methane

c)

propane

d)

carbon dioxide

53.

Taken in by the leaves of the plant to give the chloroplasts energy for food production.

a)

chlorophyll

b)

oxygen

c)

water

d)

sunlight

54.

A product in photosynthesis

a)

CO2

b)

O2

c)

H2O

d)

heat

55.

A reactant in Photosynthesis

a)

PB

b)

NACL

c)

H20

d)

CO2

56.

Which of the following is the correct equation for photosynthesis?

a)

CO2 + light + H2O ---> O2 + Sugar

b)

CO2 + sugar + water --> O2 + light

c)

O2 + light + water ---> sugar + CO2

d)

CO2 + O2 + light ---> sugar + water

57.

___ is the process that cells use to take energy from glucose.

a)

cellular respiration

b)

photosynthesis

c)

transpiration

d)

excretion

58.

The ___ is the cell part (organelle) inside cells where cellular respiration happens.

a)

mitochondria

b)

chloroplast

c)

nucleus

d)

ribosome

59.

What two things are needed for cellular respiration to happen in a cell?

a)

glucose & oxygen

b)

water & carbon dioxide

c)

oxygen & carbon dioxide

d)

glucose & water

60.

The primary purpose of cellular respiration is to produce ___.

a)

ATP

b)

sugar

c)

glucose

d)

heat

61.

Both ___ are leftover as waste products after cellular respiration.

a)

water & carbon dioxide

b)

oxygen & glucose

c)

carbon dioxide & oxygen

d)

water & oxygen

62.

Cellular respiration ___ glucose molecules.

a)

breaks

b)

makes

c)

shakes

d)

wakes

63.

Which of the following is the word equation for cellular respiration?

a)

glucose + oxygen ---> ATP + carbon dioxide + water

b)

carbon dioxide + water ---> ATP + glucose + oxygen

c)

glucose + water ---> ATP + carbon dioxide + oxygen

d)

glucose + carbon dioxide ---> ATP + oxygen + water

64.

Which of the following is the chemical equation for cellular respiration?

a)

C₆H₁₂O₆ + O₂ → ATP + CO₂ + H₂O

b)

CO₂ + H₂O → ATP + C₆H₁₂O₆ + O₂

c)

C₆H₁₂O₆ + H₂O → ATP + CO₂ + O₂

d)

C₆H₁₂O₆ + CO₂ → ATP + H₂O + O₂

65.
The longest phase of the cell cycle 
a)
prophase
b)
interphase
c)
metaphase
d)
mitosis
66.
Identify the phase of mitosis
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
67.
Put the stages of mitosis in the correct order.
a)
prophase - metaphase - anaphase - telophase
b)
metaphase - anaphase - prophase - telophase
c)
anaphase - prophase - telophase - metaphase
d)
telophase - metaphase - prophase - anaphase
68.
What is the result of mitosis?
a)
1 cell
b)
2 genetically identical cells
c)
2 genetically different cells
d)
4 genetically identical cells
69.

Before cells can divide, what must be copied?

a)

mitochondria

b)

cytoplasm

c)

DNA

d)

Cell Wall

70.

In which stage of the cell cycle does the cell grow in size?

a)

G1

b)

S

c)

G2

d)

Mitosis

71.

In which stage of the cell cycle does the DNA replicate?

a)

G1

b)

S

c)

G2

d)

Mitosis

72.
During which stage of the cell cycle does mitosis and cytokinesis occur?
a)
Interphase
b)
S phase
c)
M phase
d)
G1 phase
73.
The shape of the DNA molecule is a double __________________?
a)
"S"
b)
helix
c)
rope
d)
curve
74.

Where is DNA found???

a)

Cell membrane

b)

Nucleus

c)

Cell wall

d)

Auditorium

75.

What does the structure of DNA resemble?

a)

an airplane propeller

b)

a twisted ladder

c)

a twisted Christmas tree

d)

a hippo in a tutu

76.

DNA replication creates two strands of DNA from one. If pink is parental DNA and blue is new DNA - which picture demonstrates the accepted model of DNA replication after the SECOND replication cycle?

a)
b)
c)
d)
77.

The picture below shows an enzyme unwinding and unzipping DNA.

​

​What is the name of this enzyme?

a)

DNA Helicase

b)

DNA Ligase

c)

DNA polyermase

d)

RNA Polymerase

78.

Which of the following DNA nucleotides are paired with the correct corresponding DNA nucleotide? (mark all that apply)

a)

Adenine with Thymine

b)

Guanine with Cytosine

c)

Thymine with Cytosine

d)

Adenine with Uracil.

e)

Uracil with Thymine

79.
Who's work concluded that the %A=%T  and %G=%C
a)
Chargaff
b)
Meischer
c)
Levene
d)
Hammerling
80.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
81.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
82.
What is the difference between DNA and RNA in terms of bases?
a)
RNA contains uracil in place of thymine
b)
RNA contains uracil in place of adenine
c)
RNA contains uracil in place of guanine
d)
RNA contains uracil in place of  cytosine
83.

Which organelle is the location where protein is made?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

84.

What are the "messengers" from DNA to the rest of the cell?

a)

Nucleotides

b)

Ribose

c)

DNA

d)

mRNA

85.
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
86.

Transcribe the mRNA molecule for this gene:

C-A-T-G-T-A-A-A-C

a)

T-C-G-A-T-U-U-C-C

b)

G-G-G-A-T-C-U-U-T

c)

G-U-A-C-A-U-U-U-G

d)

G-T-A-C-A-T-T-T-G

87.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
88.

Which strand is responsible for coding the mRNA from transcription unit?

a)

Template strand

b)

Coding strand

c)

Lagging strand

d)

Leading strand

89.

Where does transcription take place?

a)

cell membrane

b)

nucleus

c)

cytoplasm

d)

ribosome

90.

What is made during transcription?

a)

DNA

b)

RNA

c)

Proteins

d)

Amino Acids

91.

Codons are located on....

a)

DNA

b)

mRNA

c)

tRNA

d)

rRNA

92.

Anti-codons are located on...

a)

DNA

b)

mRNA

c)

tRNA

d)

rRNA

93.

Is this a strand of DNA or RNA?

TACGGACTA

a)

DNA

b)

RNA

c)

Impossible to tell

94.

A protein is built during this process

a)

translation

b)

transcription

95.
What are the building blocks of proteins?
a)
amino acid
b)
fatty acid
c)
nucleotide
d)
lipid
96.

1. Which of the following regarding the basic mechanism of gene expression is correct?

a)

a. DNA ―> RNA ―> protein

b)

b. DNA ―> protein ―> RNA

c)

c. RNA ―> DNA ―> mRNA ―> protein

d)

d. RNA ―> DNA ―> tRNA ―> protein

97.

9. Which type of RNA carries genetic information from DNA to the ribosomes?

a)

a. messenger RNA

b)

b. mitochondrial RNA

c)

c. ribosomal RNA

d)

d. transfer RNA

98.

Proteins aren't made in the nucleus because they are too big to escape the ______________:

a)

Nuclear Membrane

b)

Cell Membrane

99.

There are _______ amino acids?

a)

18

b)

26

c)

20

d)

3

100.

The start codon is _______:

a)

AUG

b)

GGG

c)

UCG

d)

AAU

101.

The stop codons are:

a)

UAA

b)

UAG

c)

GUC

d)

UGA

102.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
103.
Where do mutations occur?
a)
DNA and RNA
b)
DNA 
c)
RNA
d)
mRNA and tRNA
104.
Are all mutations bad?
a)
Yes
b)
No
105.

What are the three types of gene mutation?

a)

Insertion, Deletion, Subsitution

b)

Aberration, Deletion, Substitution

c)

Inversion, Duplication, Insertion

d)

Insertion, Duplication, Substitution

106.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion

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