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WorksheetsCollege Preparation Midterm CH 1,2 & 7.3
Total questions: 60
Worksheet time: 1hrs 2mins
Name
Class
Date
1.
Which of the following is not a macromolecule?
a)
Proteins
b)
Lipids
c)
Hydroxides
d)
Nucleic Acids
2.
Macromolecules are...
a)
Small organic compounds made of H, O, N, C and P
b)
Large organic compounds made of H, O, N, C and P
3.
What do you call more than one monomer chained together?
a)
Polygon
b)
Polymer
c)
Multimer
d)
Macromer
4.
What does DNA stand for?
a)
Ribonucleic acid
b)
Deoxyribonucleic acid
c)
Dolenucleus Acids
d)
Denatured Natural Acid
5.
What macromolecule is used as the main source of energy in organisms and found in plant cell walls?
a)
Carbohydrates
b)
Proteins
c)
Lipids
d)
Nucleotides
6.
What is the difference between polysaccharide and a monosaccharide?
a)
monosaccharide sugars are larger in size.
b)
monosaccharide sugars are proteins
c)
polysaccharide sugars are larger in size.
d)
Simple sugars are made of chains of complex sugars.
7.
Which of the following has simple sugars in it?
a)
Bread
b)
Pasta
c)
Potatoes
d)
Fruit
8.
Which of the following is a monomer of carbohydrates?
a)
Glycogen
b)
Cellulose
c)
Aspartic acid
d)
Glucose
9.
Identify
a)
Amino Acid
b)
Glucose
c)
Nucleotide
d)
Triglyceride
10.
Identify
a)
Carbohydrate
b)
Triglyceride
c)
Phospholipid
d)
Nucleotide
11.
Identify
a)
Triglyceride
b)
Glucose
c)
Nucleotide
d)
Amino Acid
12.
Identify
a)
Nucleotides
b)
Triglycerides
c)
Glucose
d)
Amino Acids
13.
Cellulose is used to construct what part of a cell?
a)
Cell Membrane
b)
Cell Wall
c)
Nucleus
d)
Protiens
14.
What macromolecule makes up muscle fibers, enzymes, membranes, and antibodies?
a)
Protien
b)
Lipid
c)
Carbohydrate
d)
Nucleotide
15.
What protein makes up hair and skin?
a)
Keratin
b)
Glucose
c)
Cellulose
d)
Cholestral
16.
Proteins that speed up chemical reactions.
a)
Antibodies
b)
Hormones
c)
Steriods
d)
Enzymes
17.
Which of the following would contain the most protein?
a)
Nuts
b)
Fruits
c)
Vegetables
d)
Fish
18.
What do we call the monomer that makes up proteins?
a)
Nucleotide
b)
Glucose
c)
Cholesterol
d)
Amino Acids
19.
How many amino acids are found in the human body?
a)
20
b)
9
c)
11
d)
42
20.
Chains of amino acids are folded together to create...
a)
sugar
b)
salt
c)
protein
d)
DNA
21.
What macromolecule is used to store energy for the future, insulate and cushion the body, produce hormones, and act as a wax proof surface?
a)
Lipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic Acids
22.
Which of the following contains the most lipids?
a)
Butter
b)
Steak
c)
Potato
d)
Lollypop
23.
What do we call the energy we get from consuming food?
a)
Atomic Energy
b)
Calorie
c)
Exothermic
d)
Digestive Enrgy
24.
Which of the following contains the most calories?
a)
Carbohydrates
b)
Starches
c)
Lipids
d)
Hormones
25.
Which of the following is not a nucleotide?
a)
Sucrose
b)
Cytosine
c)
Guanine
d)
Thymine
26.
Which of the following is not a part of a nucleotide?
a)
Phosphate Group
b)
Nitrogen Base
c)
Sugar
d)
Triglyceride
27.
What macromolecule stores genetic information?
a)
Lipids
b)
Proteins
c)
Nucleic Acids
d)
Carbohydrates
28.
Which of the following nucleotides is found in RNA but not in DNA?
a)
Uracil
b)
Cytosine
c)
Thymine
d)
Guanine
29.
Activation energy is the amount of energy need to ....
a)
Stop a reaction
b)
Keep a reaction going
c)
Start a reaction
d)
Fly to the moon and back
30.
Endothermic reactions ....
a)
Give off energy
b)
Store energy
c)
Have net neutral energy usage
31.
Exothermic reactions ....
a)
Give off energy
b)
Store energy
c)
Have net neutral energy usage
32.
How many neutrons does an atom of Boron have?
a)
5
b)
6
c)
11
33.
The image shows
a)
isotopes of carbon
b)
ions of carbon
c)
three different elements
34.
How many neutrons does an aluminum atom have?
a)
14
b)
13
c)
27
35.
How many valence electrons in the Bohr model of Magnesium?
a)
8
b)
2
c)
0
36.
How many protons does an atom of carbon contain?
a)
12
b)
6
c)
0
37.
The path that electrons follow around the nucleus of an atom
a)
ion
b)
valence electrons
c)
orbit or "shell"
38.
This indicates the sum of the protons and neutrons in the nucleus of an atom
a)
atomic number
b)
atomic mass
c)
valence
39.
This indicates the number of protons in the nucleus of an atom
a)
atomic mass
b)
atomic number
c)
valence
40.
An atom that has the same number of protons as other atoms of the same element but that has a different number of neutrons
a)
ion
b)
atomic mass
c)
isotope
41.
Electrons in the outermost shell are called
a)
outer electrons
b)
valence electrons
c)
reactive electrons
42.
Particle of the nucleus that has a positive charge
a)
proton
b)
neutron
c)
electron
43.
Particle of the nucleus that does not have a charge
a)
proton
b)
electron
c)
neutron
44.
Studying the effect of decreasing the temperature of a room on a lifespan of a battery? What type of variable is described in red?
a)
independent
b)
dependent
c)
Constant
d)
immutable
45.
The independent variable is the ONE thing you _____.
a)
change
b)
keep the same
c)
experiment with
d)
investigate
46.
The variable that you measure is the -
a)
Independent Variable
b)
Dependent Variable
c)
Constant
d)
Repeated Trial
47.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
48.
What is a hypothesis?
a)
A hypothesis is the right answer to an experiment.
b)
A hypothesis is the wrong answer to an experiment.
c)
A hypothesis is an educated guess.
49.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the independent variable?
a)
Type of plant
b)
Type of liquid
c)
Plant growth
50.
Mr. Z set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the dependent variable.
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
51.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the dependent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
Growth of the plant
d)
The type of liquid
52.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. What is the control variable?
a)
The ball used
b)
The height the ball bounces
c)
Height of the ball being dropped
53.
Jessie is concerned about how tired his classmates seem. He created a drink that he thinks will boost their energy. He recruits 100 classmates with a history of tiredness. He has 50 of them drink his new special energy drink. The other 50 drink a beverage that looks like the special energy drink, but is just water and food coloring. Both groups were told that they were getting the special drink that would boost energy. After 2 hours, 30 classmates in the first group reported having more energy and 8 classmates in the second group reported having more energy.
What is the independent variable?
What is the independent variable?
a)
Amount of energy
b)
Special energy drink
c)
The food coloring
54.
Skye is concerned about how tired his classmates seem. He created a drink that he thinks will boost their energy. He recruits 100 classmates with a history of tiredness. He has 50 of them drink his new special energy drink. The other 50 drink a beverage that looks like the special energy drink, but is just water and food coloring. Both groups were told that they were getting the special drink that would boost energy. After 2 hours, 30 classmates in the first group reported having more energy and 8 classmates in the second group reported having more energy.
What is the dependent variable?
What is the dependent variable?
a)
Amount of energy
b)
100 classmates
c)
Special energy drink
55.
Mia wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the controlled variable?
What is the controlled variable?
a)
Location of bird feeder
b)
Amount of birdseed eaten
c)
Type of birdseed
56.
Maria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the dependent variable?
What is the dependent variable?
a)
Length of the birdfeeders
b)
Amount of time feeders are outside
c)
Amount of seed eaten
57.
How does watching TV during studying affect a student’s test grades? What variable is in red?
a)
independent
b)
dependent
58.
An experiment for a new asthma medication was set up into two groups. Group one was given the new drug for asthma, while group 2 was given a sugar pill. The sugar pill serves as a
a)
control
b)
dependent variable
c)
experimental variable
d)
constant
59.
In a controlled experiment, the variable that is changed to test the hypothesis is called the –
a)
Controlled Variable
b)
Responsive Variable
c)
Dependent Variable
d)
Independent Variable
60.
Which form of active transport is being shown? (inside of the cell is tan colored)
a)
Pinocytosis
b)
Endocytosis
c)
Exocytosis
d)
Osmosis
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