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Biology Final exam review Part 1

Total questions: 74

Worksheet time: 55mins

Name
Class
Date
1.

How many variables should be changed in a controlled experiment

a)

1

b)

at least 2

c)

As many as needed

d)

Between 1 and 100

2.
Four different types of cells are shown in picture. Which characteristic is shared by all four cells?
a)
A mechanism for transforming sunlight into energy
b)
Self-locomotion
c)
Membrane-bound organelles that transport substances
d)
Genetic material composed of DNA
3.
An experiment in which all variables but one are kept constant is called a(an) _______ experiment.
a)
independent
b)
controlled
c)
graphing
d)
dependent
4.
Scientific questions typically begin with a(an):
a)
data
b)
conclusion
c)
hypothesis
d)
observation
5.
A variable deliberately changed in an experiment is called the ______________ variable.
a)
independent
b)
dependent
c)
controlled
d)
all of the above
6.
The observed variable that changes in response to the independent variable:
a)
dependent variable
b)
controlled variable
c)
independent variable
d)
hypothesis
7.
A _______ is exposed to the same conditions as the experimental group except for one independent variable.
a)
hypothesis
b)
control group
c)
independent variable
d)
group
8.
Scientists select similar plots of grass in an experiment.  They have the same soil, water, and so on.  These traits are:
a)
constants or controlled variables
b)
experimental groups
c)
hypotheses
d)
none of the above
9.
In this graph, what is the dependent variable? 
a)
Walla Walla Island
b)
Time
c)
Number of Deer
10.

Tyler is pulling this block of wood up a ramp. What would be the dependent (or responding) variable that he is measuring?

a)

the weight of the wood block that is being pulled up the ramp by the spring scale in TYlers hand

b)

the number of books stacked under the ramp that changes the angle and the height it travels

c)

the amount of force needed to pull the wood block up the ramp that is measured by the spring scale

d)

the friction of the wood against the ramp pushing against the wood block

11.

A students was doing an experiment using the scientific method. Every three days the student plans to count the green leaves. Which would be a good hypothesis for this experiment?

a)

If plants are placed in direct sunlight, then they will grow larger

b)

Plants placed in bright light will grow more green leaves than in dim light.

c)

If plants are place in clay pots, then they will grow more green leaves than plastic pots.

d)

Plants in warmer temperatures, will grow more green leaves.

12.

According to the diagram, which question is being tested?

a)

How does color of light affect plant growth?

b)

How does the amount of fertilizer added to plants affect growth?

c)

How will different amounts of water affect plant growth?

d)

How does the type of soil affect plant growth?

13.
Evidence from many studies that tie hypotheses together is called a:
a)
proposal
b)
educated guess
c)
hypothesis
d)
theory
14.

Which statement is a hypothesis?

a)

Sample X has a greater mass than sample Y.

b)

There are more than 100 elements in the periodic table.

c)

We have found that bean seeds sprout faster than corn seeds.

d)

Bean seeds that receive 10 mL of water a day will sprout faster than bean seeds that receive 5 mL of water a day

15.

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

a)

the male alligators

b)

the gender of the alligator

c)

the temperature

d)

the incubator

16.

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is

a)

the temperature

b)

the size of the baby alligators

c)

the incubator

d)

the gender of the baby alligators

17.
What is a hypothesis?
a)
an educated guess stating what you believe will be the result of your experiement
b)
a random guess
c)
a statement of the outcome of your experiment
d)
step by step directions for your experiment
18.

In an experiment, the one variable that is changed is called the

a)

dependent variable

b)

independent variable

c)

experimental variable

d)

controlled variable

19.

In an experiment, the factor that we measure is called the

a)

independent variable

b)

dependent variable

c)

conclusion

d)

controlled variable

20.

Which of the following hypotheses is written correctly?

a)

If I freeze a tennis ball, then it will not bounce as high.

b)

If a tennis ball is frozen, it won't bounce as high as one that is not frozen.

c)

Frozen tennis balls will not bounce as high.

d)

If I heat up a tennis ball it will bounce high

21.
In this graph, what is the independent variable? 
a)
Population
b)
Day
c)
Species 5
22.

There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?

a)

Quantitative

b)

Qualitative

23.

There are two types of data. Which type of data involves descriptions/photographs/illustrations that cannot be counted or measured?

a)

Qualitative

b)

Quantitative

24.
Series of steps scientists follow to solve problems
a)
Scientific method
b)
Investigation methods
c)
Experiment guidelines
d)
Standard procedures
25.
Which of the following would be considered quantitative data?
a)
Color
b)
Smell
c)
6.84 cm
d)
texture
26.
The basic unit of length in the metric system is 
a)
foot
b)
inch
c)
meter
d)
mile
27.
How many meters are there in a kilometer?
a)
10
b)
1
c)
1000
d)
100
28.
What is the first thing you should do if a lab accident occurs?
a)
Run out of the room screaming
b)
Tell your teacher
c)
Find the emergency equipment
d)
Go to the nearest hospital
29.

What term means a state of stability or equilibrium?

a)

Taxis

b)

Cell Transport

c)

Diffusion

d)

Homeostasis

30.

Fats, oils and cholesterol are all types of what?

a)

cell membranes

b)

hormones

c)

lipids

d)

fatty acids

31.
A large molecule made up of many similar or identical subunits.
a)
lipids
b)
polymer
c)
monomer
d)
monosaccharide
32.

RNA and DNA are which type of macromolecules?

a)

Carbohydrate

b)

lipid

c)

nucleic acid

d)

protein

33.

Which molecules are joined together to make proteins?

a)

fatty acids

b)

nucleic acids

c)

amino acids

d)

acetic acids

34.
What is the monomer for a protein?
a)
Monosaccharide
b)
Triglyceride
c)
Amino Acid
d)
Nucleotide
35.
Which of the following organic compounds is the main source of energy for living things?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
36.
Genetic information is stored in which class of organic compounds?
a)
proteins
b)
lipids
c)
nucleic acids
d)
carbohydrates
37.
What type of molecule is this?
a)
Nucleic acid
b)
Protein
c)
Carbohydrate
d)
Lipid
38.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
39.

The enzyme lactase will break down the sugar lactose into which of the following components?

a)

monosaccharides

b)

nucleic acids

c)

amino acids

d)

phospholipids

40.

What will most likely happen if an appropriate enzyme is added to a chemical reaction?

a)

The reaction rate will increase.

b)

The equilibrium of the reaction will be maintained.

c)

The reaction rate will decrease.

d)

The reaction will stop.

41.
Connects monomers to form a polymer
a)
Dehydration synthesis
b)
hydrolysis
42.
Produces water as a by-product
a)
Dehydration synthesis
b)
Hydolysis
43.
The process of removing water in order to form a bond between monomers is called....
a)
Dehydration Synthesis
b)
Hydrolysis
44.
Breaks up polymers, forming monomers
a)
dehydration synthesis
b)
hydrolysis
45.
Water is used to break bonds between polymers
a)
dehydration synthesis
b)
Hydrolysis
46.
Joins amino acids to form a protein
a)
Dehydration synthesis
b)
hydrolysis
47.
Occurs when polysaccharides are digested to form monosaccharides
a)
Dehydration synthesis
b)
hydrolysis
48.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
49.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
50.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
51.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
52.

Which cell structure is responsible for maintaining homeostasis by allowing materials in and out of the cell?

a)

Nucleus

b)

Ribosomes

c)

Cell Membrane

d)

Cell Wall

53.

The cell membrane is comprised of what two structures?

a)

Phospholipids

b)

Starches

c)

Cellulose

d)

Proteins

54.

Which cell structure is responsible for producing ATP energy?

a)

Mitochondria

b)

Ribosomes

c)

Nucleus

d)

Golgi apparatus

e)

Cell membrane

55.

In which cell structure would you find DNA?

a)

Mitochondria

b)

Ribosomes

c)

Cell membrane

d)

Golgi apparatus

e)

Nucleus

56.

Which cell structure is responsible for protein synthesis?

a)

Ribosomes

b)

Mitochondria

c)

Nucleus

d)

Plasma membrane

e)

Endoplasmic reticulum

57.

Which cell structure produces spindle fibers and aids in cell division?

a)

Mitochondria

b)

Nucleus

c)

Centrioles

d)

Cytoplasm

e)

Ribosomes

58.

What is this cell structure?

a)

Mitochondria

b)

Ribosome

c)

Chloroplast

d)

Nucleus

e)

Vacuole

59.

What is this cell structure?

a)

Chloroplast

b)

Cytoplasm

c)

Chlorophyll

d)

Centriole

60.

Beaker A represents a ______________ solution.

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

61.

Beaker B demonstrates a ______________ solution.

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

62.

If there are more solutes inside a cell in a solution, the solution is said to be:

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

63.

If a cell shrinks in a solution, the solution is said to be:

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

64.

Osmosis is specifically the diffusion of:

a)

Water

b)

Gas

c)

Solids

d)

Any particles

65.

Diffusion is the movement of:

a)

Water

b)

Gas

c)

Solids

d)

Any particles

66.

Diffusion that is aided by proteins in the cell membrane is called:

a)

Osmosis

b)

Active Transport

c)

Diffusion

d)

Facilitated Diffusion

67.

Diffusion that is aided by proteins in the cell membrane is called:

a)

Osmosis

b)

Active Transport

c)

Diffusion

d)

Facilitated Diffusion

68.

Passive transport moves materials along the concentration gradient from:

a)

High to low concentration

b)

Low to high concentration

69.

What are the 2 types of cell transport?

a)

Active

b)

Passive

c)

Osmosis

d)

Diffusion

70.

Convert 51 g to Kg

a)

0.0051 Kg

b)

0.051 kg

c)

5,100 kg

d)

51,000 kg

71.

The smallest living unit is a(n)

a)

atom

b)

DNA

c)

cell

d)

organism

72.

What is the chemical formula for a monosaccharide? (glucose, fructose or galactose)

a)

C6H12O6

b)

C12H22O11

c)

CH3(CH2)n

d)

C5H5N5

73.

Students are studying the result of of photosynthesis, so they design an experiment to test whether or not plants produce oxygen. Using elodea (a water plant) and snails (an animal that requires oxygen to live), the class creates the setup below.

a)

a plant begins to grow in test tube a

b)

There is more CO2 in test tube B than test tube C

c)

the snail in test tube D has died

d)

There is more oxygen in test tube B than test tube C

74.
Which gas is filling the balloon in the experiment?
a)
Oxygen
b)
Carbon Dioxide
c)
Glucose
d)
Water

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