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Lecture Quiz 1 review (Chapter 1-3 only)

Total questions: 100

Worksheet time: 1hrs 7mins

Name
Class
Date
1.

The independent variable is

a)

The part the scientist measures

b)

The part the scientist changes or is testing

c)

A letter

2.

The dependent variable is the part

a)

The letter in the equation

b)

The part being changed

c)

The part being measured

3.

A good hypothesis must be

a)

Testable

b)

Falsifiable

c)

Both Testable and Falsifiable

d)

Testable & formatted as a question

4.

I think that running speed is impacted by drinking Gatorade before a race. I ask 40 students to drink Gatorade before running a mile and record how fast they ran it. What is the independent variable being tested here?

a)

The running speed

b)

Drinking Gatorade

c)

The 40 students as a group

d)

None of these

5.

I think that running speed is impacted by drinking Gatorade before a race. I ask 40 students to drink Gatorade before running a mile and record how fast they ran it. What is the Dependent variable being tested here?

a)

The running speed

b)

Drinking Gatorade

c)

The 40 students as a group

d)

None of these

6.

I think that running speed is impacted by drinking Gatorade before a race. I ask 40 students to drink Gatorade before running a mile and record how fast they ran it. What is not great about this set up?

a)

This study lacks a control group

b)

This study should state how many ml of Gatorade was consumed

c)

This study should use students of a similar age

d)

All of these

7.

Quantitative observations involve what?

a)

The measurement of something expressed in a number

b)

The color you see

c)

How it smells

d)

If something is short or tall

8.
These kind of observations are made using instruments such as rulers, balances and thermometers.
a)
Qualitative
b)
Quantitative
c)
Scientific
9.
The leaf is 5mm wide.
a)
Qualitative
b)
Quantitative
10.
The clouds are grey and ground is wet. 
a)
Qualitative
b)
Quantitative
11.

What is the correct order from smallest to largest?

a)

molecules, atoms, cells, organ system

b)

atoms, molecules, cells, tissues

c)

atoms, cells, tissues, molecules,.

d)

cells, organisms, organ system

12.

What word describes when water is attracted to other molecules?

a)

cohesion

b)

adhesion

c)

capillary action

d)

surface tension

13.

The attraction that causes water and other liquids to form drops on thin films is called ________________. This is also water’s ability to be attracted to other water molecules.

a)

adhesion

b)

capillary action

c)

cohesion

d)

specific heat

14.
tendency of molecules of the same kind to stick to one another
a)
cohesion
b)
adhesion
c)
solution
d)
polar molecule
15.
molecule in which opposite ends have opposite electric charges
a)
cohesion
b)
polar molecule
c)
hydrogen bond
d)
solution
16.

A molecule with a different charge on either end is called a _______________.

a)

magnet

b)

polar molecule

c)

solution

d)

electrical molecule

17.
Water is a universal solvent because it...
a)
It can be found anywhere
b)
It freezes when it gets cold
c)
floats when frozen
d)
Dissolves most substances
18.

Water beads up on some surfaces because of this property.

a)

Adhesion

b)

High Surface Tension

c)

Universal Solvent

d)

Changes in Density

19.

Most of water's properties occur because it is...

a)

A polar covalent molecule

b)

Made with oxygen

c)

A polar ionic molecule

d)

Makes up 75% of the Earth

20.
What is the reason why oil and water don't mix?
a)
Oil is too heavy to mix with water
b)
Water can only mix with polar molecules 
c)
Water can only mix with non-polar molecules
d)
Oil is too light to mix with water 
21.

Which characteristic of life is being described: YOU are a multi-celled organism but an amoeba is a single celled organism. When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.

a)
All living things use energy
b)
All living things contain cells
c)
All living things maintain homeostasis
d)
All living things grow
22.

Which characteristic of life is being described: YOU are a multi-celled organism but an amoeba is a single celled organism. Which of the following is an example of homeostasis?

a)

A plant respires to thermoregulate

b)

A dog secretes insulin to decrease blood sugar levels

c)

A bacterial cell expels water to regulate ion concentrations

d)

All answers are correct

23.

Anabolic biochemical reactions ______ energy and allow for the _______ of larger molecules

a)

Require, breakdown

b)

Require, buildup

c)

Release, breakdown

d)

Release, buildup

24.

Catabolic biochemical reactions ______ energy and allow for the _______ of larger molecules

a)

Require, breakdown

b)

Require, buildup

c)

Release, breakdown

d)

Release, buildup

25.

What are the elements of life?

a)

CHONPS

b)

C, H, and O

c)

C and H2O

d)

Fire, magic, thunder, and Stevie Nicks

26.

An atom loses one or more electrons to become ______ in charge. This type of ion is called a(n) _____

a)

Positive, cation

b)

Positive, anion

c)

Negative, cation

d)

Negative, anion

27.

Which characteristic of life is being described: YOU are a multi-celled organism but an amoeba is a single celled organism. Green plants produce their own food through the process of photosynthesis.

a)
All living things use energy
b)
All living things contain cells
c)
All living things maintain homeostasis
d)
All living things grow
28.

Which characteristic of life is being described: YOU are a multi-celled organism but an amoeba is a single celled organism. A baby song bird hatches from its egg with both parent songbirds watching.

a)
All living things reproduce
b)
All living things maintain homeostasis
c)
All living things use energy
d)
All living things grow
29.

Which characteristic of life is being described: YOU are a multi-celled organism but an amoeba is a single celled organism. A camel has eyelashes that work to keep the dust and sand out of its eyes.

a)
All living things adapt to their environment
b)
All living things grow
c)
All living things have cells
d)
All living things use energy
30.

Which characteristic of life is being described: YOU are a multi-celled organism but an amoeba is a single celled organism.A caterpillar hibernates in a cocoon and emerges as a butterfly.

a)
All living things adapt to their environment
b)
All living things use energy
c)
All living things respond to their environment
d)
All living things grow
31.

Which characteristic of life is being described: YOU are a multi-celled organism but an amoeba is a single celled organism.

a)
All living things have cells
b)
All living things grow
c)
All living things use energy
d)
All living things respond to their environment
32.

What is at the center of every atom?

a)

An electron

b)

A compound

c)

A molecule

d)

A nucleus

33.

An electron is a _____ charged particle.

a)

Positively

b)

Negatively

c)

No Charge

34.

A proton is a _____ charged particle.

a)

Negatively

b)

Positively

c)

No Charge

35.
How many protons are in Beryllium?
a)
4
b)
9
c)
5
d)
2
36.

What is the atomic mass of Neon?

a)

10

b)

20.18

c)

10.18

d)

11

37.

How many protons does an atom of Chlorine have?

a)

35

b)

17

c)

18

d)

52

38.
The desire for an element to have 8 atoms around it is called 
a)
Octet Rule
b)
Resonance
c)
Ionization energy
d)
Electronegativity
39.
How many Valence Electrons are on Oxygen
a)
2
b)
7
c)
6
d)
1
40.

Covalent bonds are formed when_____________.

a)

electrons are transferred

b)

electrons are shared

c)

electrons vanish

d)

protons absorb electrons

41.

The Octet Rule states that in chemical compounds, atoms tend to have

a)

the electron configuration of a noble gas

b)

eight electrons in their valence energy level

c)

more electrons than protons

d)

more protons than electrons

42.
In an ionic bond, electrons are?
a)
shared
b)
transferred
c)
misplaced
d)
cancelled
43.
In a covalent bond, electrons are?
a)
lost
b)
transferred
c)
shared
d)
cancelled
44.
Compounds that have the same molecular formula but different structural formulas are called?
a)
ions
b)
isomers
c)
awesome
d)
binary
45.
The ability of an element to attract or pull electrons from another element is called?
a)
electronegativity
b)
isoelectronic
c)
electrostatic
d)
electricity
46.
True or False? Polar molecules WILL dissolve in water.
a)
True
b)
False
47.

How many valence electrons does this element have?

a)

13

b)

2

c)

10

d)

3

48.

How many valence electrons does this element have?

a)

10

b)

8

c)

1

d)

11

49.
Why are ions formed?
a)
To make our lives difficult
b)

Because atoms want 8 valence electrons/Full outer shells for greater stability

c)
Because atoms have the same number of protons and electrons
d)
Because atoms gained neutrons
50.
What is an ion?
a)
A Charged Atom
b)
A Large Atom
c)
A Small Atom
d)
A Cute Atom
51.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
52.
Elements on the LEFT side of the periodic table will most likely form:
a)
Positive ions
b)
Negative ions
c)
Neutral Ions
d)
None of these
53.
Cations are...
a)
Positive
b)
Negative
c)
Neutral
d)
Purring
54.
Anions are...
a)
Positive
b)
Negative
c)
Neutral
d)
Crying
55.
An atom becomes _______ when it loses electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
56.
What is the name for a molecule that has a polar head region and a hydrophobic tail region?
a)
Bihydrophicity
b)
Amphipathic
c)
Hydrophilic
d)
Dipolarity
57.

Which chemical produces hydroxide (OH-) ions when mixed with water?

a)

Acid

b)

Base

58.

Which pH number below reflects a strong base?

a)

1

b)

6

c)

8

d)

13

59.

Which pH number below reflects a strong acid?

a)

1

b)

6

c)

8

d)

13

60.

Which chemical produces an Hydrogen Ions (H+) when mixed with water?

a)

Acid

b)

Base

61.
The pH scale measures...
a)
...the strength of an acid.
b)
...the strength of hydrogen ions.
c)
...the concentration of hydrogen ions.
d)
...the concentration of an acid
62.
Buffer is defined as
a)
ability to resist pH change
b)
ability to prevent pH from decreasing
c)
ability to resist a pH increase
d)
ability to resist pH change when small amount of acid added
63.
The study of all substances containing carbon is
a)
organic
b)
inorganic
c)
analytical
d)
physical
64.

Functional groups:

a)

Are Small clusters of specific molecules within bigger molecules

b)

Have specific properties that dictate the function of the molecules they are in (polar, nonpolar, charged etc)

c)

Are usually made up of CHONPS elements

d)

All of these are true

65.

Which is a Carbohydrate's monomer?

a)

Fatty acid

b)

Amino acids

c)

Monosacharide

d)

Nucleotide

66.
Glucose (sugar) is an example of a
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic Acid
67.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
68.
Nucleotides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
69.
Glycerol and fatty acids are the monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
70.

What is the function of nucleic acids like DNA?

a)

store genetic information

b)

store energy (long-term)

c)

store energy (short-term)

d)

build skin, hair, nails, muscles

71.

Carbohydrates are made up of elements...

a)

C, H, and O

b)

C, H, O, and N

c)

C, H, O, N, and P

d)

C, H, O, N, and S

72.

Which would be high in lipids?

a)
b)
c)
d)
73.

Which would be high in carbohydrates?

a)
b)
c)
d)
74.

Which would be high in protein?

a)
b)
c)
d)
75.

Proteins are made up of elements...

a)

C, H, and O

b)

C, H, O, and N

c)

C, H, O, N, and P

d)

C, H, O, N, and S

76.

Nucleic acids are made up of elements...

a)

C, H, and O

b)

C, H, O, and N

c)

C, H, O, N, and P

d)

C, H, O, N, and S

77.

Lipids are made up of elements...

a)

C, H, and O

b)

C, H, O, and N

c)

C, H, O, N, and P

d)

C, H, O, N, and S

78.
Responsible for short term energy boosts.
a)
Lipids
b)
Carbohydrates
c)
Nucleic Acids
d)
Protein
79.
Made up of repeating amino acids monomers.
a)
Protein
b)
Lipids
c)
Carbohydrates
d)
Nucleic Acids
80.
It forms long chain like structures.
a)
Lipid
b)
Carbohydrate
c)
Nucleic Acid
d)
Protein
81.
Helps insulate your body from the cold.
a)
Lipids
b)
Proteins
c)
Nucleic Acids
d)
Carbohydrates
82.

Has the following structure

a)

protein

b)

carbohydrate

c)

lipid

d)

nucleic acid

83.
Connects monomers to form a polymer
a)
Dehydration synthesis
b)
hydrolysis
84.
Produces water as a by-product
a)
Dehydration synthesis
b)
Hydolysis
85.
Breaks up polymers, forming monomers
a)
dehydration synthesis
b)
hydrolysis
86.
Water is used to break bonds between polymers
a)
dehydration synthesis
b)
Hydrolysis
87.
The process of removing water in order to form a bond between monomers is called....
a)
Dehydration Synthesis
b)
Hydrolysis
88.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
89.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
90.

Macromolecules are made of repeating subunits called

a)

monomers

b)

monosaccharides

c)

polymers

d)

polysaccharides

91.

A __________ consists of many monomers bonded together.

a)

monomer

b)

hydrocarbon

c)

peptide

d)

polymer

92.

The tertiary structure folding in proteins is primary due to the interactions of....

a)

the 'R' groups

b)

the 'P' groups

c)

the 'A' groups

d)

the 'S'

93.

Which of the following describes the secondary structure of proteins?

a)

The sequence of amino acids

b)

Local Folding between amino acids to produce α-helix and β-pleated sheet structures

c)

The folding of the polypeptide chain due to the 'R' groups

d)

The joining of different protein molecules to make one big molecule

94.

Which of the following describes the Tertiary structure of proteins?

a)

The sequence of amino acids

b)

Local Folding between amino acids to produce α-helix and β-pleated sheet structures

c)

The folding of the polypeptide chain due to the 'R' groups creating a 3D structure

d)

The joining of different protein molecules to make one big molecule

95.

Identify which of these statements is correct, the percent (%) of guanine is equal to the percent of

a)

adenine

b)

thymine

c)

cytosine

d)

guanine

96.

Identify which of these statements is correct, the percent (%) of adenine is equal to the percent of

a)

Thymine

b)

Cytosine

c)

Adenine

d)

Guanine

97.

In the DNA of a panda, there is 30% adenine. Determine the percent of guanine.

a)

15%

b)

40%

c)

10%

d)

20%

98.

What is the sugar in DNA

a)

Gounine

b)

Deoxyribose

c)

Ribonucleic acid

d)

Deoxyribonucleic acid

99.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
100.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil

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