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biology

Total questions: 129

Worksheet time: 2hrs 50mins

Name
Class
Date
1.

What is a hypothesis?

a)

the thing changed on purpose in the experiment

b)

an explanation about what you observed

c)

using your 5 senses to gather data

d)

an educated guess about the outcome of an experiment

2.

What variable comes after the word IF

a)

independent variable

b)

dependent variable

3.

What variable comes after the word then?

a)

independent variable

b)

dependent variable

4.

The independent variable is

a)

the part the scientist measures

b)

the part the scientist changes or is testing

c)

a letter

5.

The dependent variable is the part

a)

the letter in the equation

b)

the part being changed

c)

the part being measured

6.

Which of the following is incorrect about formulating hypothesis?

a)

There should always be an equal sign in the null hypothesis

b)

The null hypothesis usually corresponds to the assumption that no change occurs.

c)

The choice of the alternative hypothesis depends on the purpose of the test.

d)

The alternative hypothesis usually corresponds to the assumption that no change occurs.

7.

What is the applicable statistical test?

a)

z test

b)

H test

c)

t test

d)

U test

8.

Is the population standard deviation known?

a)

Yes

b)

No

c)

cannot be determined

9.

Identify whether the following is a null hypothesis or an alternative hypothesis.

The mean weight of newborn babies is 0.5 kg.

a)

Null Hypothesis

b)

Alternative Hypothesis

10.

At the Chrysler manufacturing plant, there is a part that is supposed to weigh precisely 19 pounds. The engineers take a sample of parts and want to know if they meet the weight specifications. What are our null and alternative hypotheses?

a)

Ho : p = 17, Ha : p ≠ 19

b)

Ho : p = 19, Ha : p ≠ 19

c)

Ho : p = 19, Ha : p ≠ 17

d)

Ho : p = 17, Ha : p ≠ 17

11.
The type of reasoning where a person makes  conclusions based on observations and patterns is called...
a)
Inductive reasoning
b)
Deductive reasoning
c)
Conjecture
d)
Experiments
12.

What does deductive reasoning use to form its arguments?

a)

patterns

b)

specific cases

c)

observed examples

d)

facts, definitions, accepted properties, and laws of logic

13.
This type of VARIABLE is kept the SAME for both experimental and Control Groups
a)
Independent
b)
Dependent
c)
Control (Constant)
d)
Inference
14.
The classroom has 1 teacher and 27 students. WHAT KIND OF OBSERVATION IS THIS?
a)
QUANTITATIVE
b)
QUALITATIVE
c)
INFERENCE
15.
Our classroom has light green walls and a tan colored floor. WHAT KIND OF OBSERVATION IS THIS?
a)
QUANTITATIVE
b)
QUALITATIVE
c)
INFERENCE
16.
A company wants to sell more sports drinks so they decide to add more sugar.  For Group A they give them gatorade with an added teaspoon of sugar. For Group B they give them plain gatorade without adding sugar. Which Group is the CONTROL GROUP?
a)
Group A
b)
Group B
c)
The Gatorade
d)
The Company
17.

What is the group in an experiment that receives treatment with the independent variable?

a)

control group

b)

experimental group

18.

The test group in which the independent variable is changed

a)

Control Group

b)

Dependent Variable

c)

Experimental Group

d)

Constant

19.
Find the median, mode and range: 
3, 5, 7, 9, 11, 8, 3
a)
median:7  mode:3  range:8
b)
median:6  mode:3  range:7
c)
median:7  mode:3 range:8
20.

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

a)

6.89

b)

10.1

c)

7.26

d)

9

21.
Four data sets are shown below.
Set 1: {10, 19, 38, 50, 51}
Set 2: {5, 21, 26, 39, 51}
Set 3: {9, 38, 50, 50, 51}
Set 4: {5, 28, 28, 28, 51}
Which data set has the largest standard deviation?
a)
Set 1
b)
Set 2
c)
Set 3
d)
Set 4
22.

Which of the following is a measure of spread, or variability?

(select all that apply)

a)

Interquartile Range

b)

Standard Deviation

c)

Mean

d)

Median

e)

Range

23.

What does standard deviation represent?

a)

How many different variations are in the data set.

b)

How the population varies compared to the sample.

c)

How spread out each data value is from the mean.

d)

The range, but with a bunch of other stuff going on.

24.

The ages of the employees at Company A tend to be closer together, than those at Company B.

a)

True

b)

False

25.
Which property of loose earth materials most likely increases as particle size decreases?
a)
capillarity
b)
infiltration
c)
permeability
d)
porosity
26.
Why does water move from the roots to the leaves of plants through the plants' tiny tubes?
a)
specific heat 
b)

capillary action

c)

atoms

d)
density
27.
Attractions between water molecules due to polarity are called:
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
28.
What type of molecule is water?
a)
Polar
b)
Negative
c)
Positive
d)
Universal
29.
What is the property of water that allows it to stick to other water molecules?
a)
Capillary Action
b)
Solubility
c)
Adhesion
d)
Cohesion
30.
What is the property of water that allows it to stick to other surfaces?
a)
Surface tension
b)
Cohesion
c)
Adhesion
d)
Solubility
31.
Which has the greater EN: 
N or C?
a)
C
b)
N
32.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
33.

Water is the univeral ____.

a)

solute

b)

solvent

c)

solution

34.
What is a solute?
a)
The substance that does the dissolving in a solution.
b)
The substance that is dissolved into the solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
35.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
36.

Fish breathe oxygen, which is dissolved in water. Is the oxygen the fish breathe considered to be the solute or solvent?

a)

Solute

b)

Solvent

37.

You make a pitcher of lemonade by adding lemon juice, sugar, ice and water. Which of the following are the 2 solutes in the solution?

a)

Lemon juice

b)

Sugar

c)

Water

d)

Lemon seeds

38.
Accepts a proton (H+ hydrogen ion) 
a)
Lewis Base
b)
Arrhenius Base
c)
Bronstead Lowry Base
d)
Lewis Acid 
39.

What functional group is shown?

a)

amino

b)

hydroxyl

c)

carboxyl

d)

sulfhydryl

40.

What functional group is shown?

a)

carboxyl

b)

carbonyl

c)

hydroxyl

d)

amino

41.

What functional group is shown?

a)

carbonyl

b)

hydroxyl

c)

carboxyl

d)

amino

42.

What functional group is shown?

a)

carboxyl

b)

phosphate

c)

hydroxyl

d)

amino

43.

hydroxyl group

a)
b)
c)
44.
The four organic compounds found in living things are?
a)
Carbohydrates, Lipids, Nucleic Acids, and Oxygen
b)
Carbohydrates, Lipids, Proteins, and Carbon
c)
Carbohydrates, Lipids, Proteins, Nucleic Acids
d)
Carbon, Lipids, Proteins, Nucleic Acids
45.
What is a carbohydrate?
a)
A biological polymer that stores and transmits genetic information
b)
a group of organic molecules that includes sugars, starches , and glucose
c)
An oil used for your car
d)
hydrocarbon that contains only single bonds
46.
What is the function of ATP in living things?
a)
provides energy for cells
b)
stores genetic information
c)
provides structure in the nucleus
47.
What are the parts of the ATP molecule?
a)
adenine, thylakoids, stroma
b)
stroma, grana, chlorophyll
c)
adenine, ribose, phosphate groups
d)
NADH, NAHPH, FADH
48.

Which one of the macromolecules are instrumental in the cell membrane?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

49.

My monomers are monosaccharides. Which macromolecule am I?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

50.

Macromolecules are made of repeating subunits called

a)

monomers

b)

monosaccharides

c)

polymers

d)

polysaccharides

51.

A __________ consists of many monomers bonded together.

a)

monomer

b)

hydrocarbon

c)

peptide

d)

polymer

52.

A _________ reaction removes a molecule of water to bond molecules together to create a polymer.

a)

hydrolysis

b)

water

c)

dehydration synthesis

d)

magical

53.

In order to break apart a polymer ________ must be added.

a)

carbon

b)

water

c)

oxygen

d)

hydrogen

54.

C6H12O6 is the chemical formula for

a)

water

b)

methane

c)

glycogen

d)

glucose

55.

What type of reaction is shown?

a)

Dehydration synthesis

b)

Hydrolysis

56.

Which type of reaction is shown?

a)

Dehydration Synthesis

b)

Hydrolysis

57.
ATP is called a cell’s “energy currency” because
a)
ATP catalyzes all metabolic reactions.
b)
most of the energy that drives metabolism is supplied by ATP.
c)
glucose is made of ATP.
d)
ATP allows one organelle to be exchanged for another between cells.
58.

Cyanide is a toxin that stops the mitochondria from producing ATP. If cyanide got into your cells, the absence of ATP would cause

a)

an increased chemical reactions because ATP will no longer be in the way

b)

divergence of metabolic pathways due to lack of ATP

c)

a decrease in chemical reactions because ATP is needed, but the cell can use carbohydrates, proteins or lipids instead

d)

a slow down and eventual cessation of chemical reactions because ATP is absolutely needed for chemical reactions to occur

59.
What type of bond forms between two monosaccharides to create disaccharides and polysaccharides?
a)
Ionic bond
b)
Hydrogen bond
c)
Covalent bond
d)
Glycosidic bond
e)
Metallic bond
60.
How many water molecules are removed during the formation of a glycosidic bond?
a)
None
b)
One
c)
Two
d)
Three
e)
Four
61.
Which type of reaction is responsible for joining two monosaccharides through a glycosidic bond?
a)
Hydrolysis
b)
Condensation
c)
Oxidation
d)
Reduction
e)
Polymerization
62.
Which specific functional group interacts to form a glycosidic bond between two saccharides?
a)
Carboxyl groups
b)
Hydroxyl groups
c)
Amino groups
d)
Phosphate groups
e)
Sulfhydryl groups
63.
What type of reaction breaks the glycosidic bond in disaccharides and polysaccharides?
a)
Hydrogenation
b)
Oxidation
c)
Polymerization
d)
Hydrolysis
e)
Condensation
64.
Which disaccharide is the main sugar produced in plants?
a)
Maltose
b)
Sucrose
c)
Lactose
d)
Glucose
e)
Fructose
65.
Which of the following monosaccharides forms a disaccharide with glucose to create sucrose?
a)
Glucose
b)
Fructose
c)
Galactose
d)
Ribose
e)
Maltose
66.

The term used for a large molecule.

a)

Micromolecule

b)

Macromolecule

67.

What is the monomer of carbohydrates?

a)

Monosaccharide

b)

Nucleotide

c)

Fatty Acid

d)

Amino Acid

68.

What is the monomer of proteins?

a)

Amino Acid

b)

Fatty Acid

c)

Nucleotide

d)

Monsaccharide

69.

What is the advantage of the branched structure of glycogen and starch?

a)

Faster hydrolysis due to larger surface area

b)

Faster hydrolysis due to smaller surface area

c)

Smaller volume (takes up less space)

d)

Does not affect water movement

70.

Which polysaccharide is represented in the image?

a)

Starch

b)

Glycogen

c)

Cellulose

71.

Identify the molecule

a)

amylose

b)

amylopectin

c)

cellulose

d)

collagen

72.
Important to the structural integrity of plant cells, this is the single most popular polysaccharide in the world.
a)
Starch
b)
Glycogen
c)
Cellulose
d)
Chitin
73.
Found in fruits, vegetables, grains, potatoes, pasta, breads.
a)
Starch
b)
Glycogen 
c)
Cellulose
74.
 Makes up the plants cell wall and is fiber in our diets
a)
Starch
b)
Glycogen 
c)
Cellulose
75.

Starch is an example of a polysaccharide found in plants. What is the monomer of starch (Hint: it is an example of a monosaccharide)?

a)

sucrose

b)

glucose

c)

glycogen

d)

lactose

76.

What is the polysaccharide used by animals to store glucose?

a)

glycogen

b)

fructose

c)

starch

d)

cellulose

77.
"Water Loving"
a)
Hydrophobic
b)
Hydrophilic 
c)
Hydroelectric 
d)
Hydroloric
78.
"Water Fearing" 
a)
Hydrophobic
b)
Hydrophilic 
c)
Hydroelectric 
d)
Hydroloric
79.

¿What are Monosaccharides?

a)

Are sugars composed of two monosaccharide units that are joined by a carbon oxygen carbon linkage known as a glycosidic linkage.

b)

Are any carbohydrates of from three to ten units of simple sugars.

c)

Are carbohydrate molecules that cannot be broken down by hydrolysis into simpler (smaller) carbohydrate molecules.

80.

Uses of monosaccharides

a)

Store Energy

b)

Cellular Suport

c)

Create Larger Structures

d)

Cellular Comunication

81.

What answer choice best describes a molecule with hydrophobic and hydrophilic ends?

a)

phospholipid

b)

an amphipathic molecule

c)

cholesterol

d)

primary amino acid structure

e)

purines

82.
The bond linking these two monomers is called a:
a)
Glycosidic Linkage
b)
Ester Bond
c)
Peptide Bond
d)
Hydrogen Bond
83.
Cellulose s a polymer made from:
a)
Alpha Glucose
b)
Beta Glucose
c)
Ribose
d)
Amino Acids
84.

which of the following terms refers to the order in which amino acids are linked together in a protein.

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

85.

What classifies the secondary structure of protein?

a)

Spiral pattern

b)

Folding pattern

c)

Looping pattern

d)

Zig zag pattern

86.
What are the building blocks of proteins?
a)
amino acid
b)
fatty acid
c)
nucleotide
d)
lipid
87.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
88.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
89.

Enzymes belong to which class of macromolecules?

a)

lipids

b)

carbohydrates

c)

proteins

d)

nucleic acids

90.
Glycerol and fatty acids combine to form...?
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
91.
Carbon, Hydrogen, Oxygen and Nitrogen are elements in what biomolecule?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic acid
92.
Is found in the cell membrane as a bilayer. 
a)
lipids
b)
protein
c)
nucleic acid
d)
carbohydrate
93.
Plants store glucose in the form of
a)
starch
b)
glycogen
c)
cellulose
d)
chitin
94.
Refers to the three-dimensional structure of an entire amino acid chain in a protein molecule
a)
tertiary structure
b)
primary structure
c)
secondary structure
d)
fibrous proteins
95.
Refers to the shape of sections of the amino acid chain in a protein molecule
a)
tertiary structure
b)
secondary structure
c)
primary structure
d)
globular proteins
96.
The order of the amino acids occur in the chain
a)
disulfide cross-link
b)
hydrophobic
c)
primary structure
d)
secondary structure
97.

The primary component of the cell membrane is the group of lipids called

a)

prostaglandins

b)

cholesterol

c)

phospholipids

d)

carbohydrate

98.
What happens to an enzyme when it is denatured?
a)
Activation energy is lowered.
b)
It becomes stronger.
c)
It loses its shape.
d)
Activation energy is raised.
99.

What happens to an enzyme when it is denatured?

a)

Activation energy is lowered

b)

It becomes stronger

c)

It loses its shape

d)

Activation energy is raised

100.

Which specific type of Bio-molecule is this?

a)

triglyceride

b)

protein

c)

phospholipid

d)

steroid

101.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
102.

Which enzyme is responsible for building nucleotides?

a)

Helicase

b)
DNA Polymerase
c)
Ligase
d)
Primase
103.

Name this structure

a)

double helix

b)

nucleotide

c)

amino acid

d)

protein

104.

What are the components of a DNA nucleotide? (Mark all that apply)

a)

Deoxyribose

b)

Ligase

c)

Nitrogen Base

d)

Phosphate group

e)

Ribose

105.

What is DNA made up of?

a)

nucleotides

b)

cytoplasm

c)

RNA

d)

cells

106.
Adenine, Cytosine, Guanine and Thymine are examples of
a)
DNA structure
b)
DNA bases
c)
DNA double helix
d)
Paired bases
107.

DNA replication puts down nucleotides ______' to _____' and is said to be ______________________

a)

5, 3, antiparallel

b)

3, 5, antiparallel

c)

5, 3, parallel

d)

3, 5, parallel

108.

A type of nucleic acid found in the nucleus that is responsible for an organism's traits.

a)

DNA

b)

RNA

c)

protein

d)

lipid

109.

The building block of DNA that consists of a deoxyribose sugar, a phosphate group and one of four nitrogen bases.

a)

amino acid

b)

polypeptide

c)

nucleotide

d)

ribonucleic acid

110.

A term applied to two molecules that are side by side but run in opposite directions.

a)

double helix

b)

nucleotide

c)

antiparallel

d)

semi-conservative replication

111.

Which enzyme is responsible for adding DNA nucleotides to a RNA primer?

a)

Topoisomerase

b)

DNA Polymerase

c)

Ligase

d)

Primase

112.

This picture is illustrating the ____ nature of DNA.

a)

antiparallel

b)

semiconservative

c)

helical

d)

radioactive

113.

The primer is composed of _____.

a)

amino acids

b)

RNA only

c)

DNA only

d)

RNA and DNA

114.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
115.
Adenine pairs with...
a)
Thymine
b)
Cytosine
c)
Guanine
d)
It does not pair with any of them
116.

What does DNA stand for?

a)

Deoxyribonucleic acid

b)

Denitrogenous acid

c)

Deribonucleic acid

d)

Dexoyribonucic acid

e)

Deoxyribonuclic acid

117.

What's the difference between purine and pyrimidine nitrogen bases?

a)

Pyrimidines are only found in DNA, not RNA

b)

Pyrimidines have two rings, Purines have one

c)

Purines are only found in DNA, not RNA

d)

Purines have two rings, Pyrimidines have one

118.

Which of the following are purines?

a)

adenine

b)

cytosine

c)

guanine

d)

thymine

e)

uracil

119.

The alternating chain of sugar and phosphate to which the DNA and RNA nitrogenous bases are attached

a)

Sugar-Phosphate Backbone

b)

Complementary Strands

c)

Purines

d)

Pyrimidines

120.

Bases with a double-ring structure

a)

Pyrimidine

b)

Purine

c)

Polymer

d)

Monomer

121.

Relation between two nucleotide strands of DNA in which each purine on one strand pairs with a specific pyrimidine on the opposite strand - A and T; C and G

a)

Sugar-Phosphate Backbone

b)

Double Helix

c)

Complementary Strands

d)

Polynucleotide Strand

122.

DNA in a eukaryotic cell is ____________, while DNA is a prokaryotic cell is _____________.

a)

linear

circular

b)

in the cytoplasm

is in the nucleus

c)

in the nucleoid region

in the cell membrane

d)

circular

linear

123.
The monomer, building block, of DNA and RNA; made up of a sugar, phosphate, and nitrogenous base
a)
Amino Acid
b)
Fatty Acid
c)
Nucleotide
d)
Monosaccharide
124.
Guanine is complementary to what other nitrogenous base?
a)
Cytosine
b)
Adenine
c)
Thymine
d)
Uracil
125.
If one series of bases reads: TTGACTAGG, then the complementary set of bases would read:
a)
TTGACTAGG
b)
AACTGATCC
c)
AATCGAACTT
d)
AAGTCATCC
126.
The backbone of DNA is made up of _______ & ________ units. 
a)
sugar & base
b)
sugar & phosphate
c)
base & phosphate
d)
phosphate & phosphate
127.

Which of the following nitrogenous bases are NOT found in RNA?

a)

Uracil

b)

Thymine

c)

Guanine

d)

Adenine

e)

Cytosine

128.

What does RNA stand for?

a)

Ribonucleic acid

b)

Ricenucleic acid

c)

Ribouncenucleic acid

d)

Rinucleic acid

129.

Which statement is true about RNA?

a)

RNA is usually single stranded and contains the base uracil

b)

RNA is usually double stranded and contains the base thymine

c)

RNA is made in the nucleus and stays there to carry out its function

d)

All of the above are true.

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