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Biology Semester Exam

Total questions: 120

Worksheet time: 2hrs 2mins

Name
Class
Date
1.
The independent variable is the ONE thing you _____.
a)
change
b)
keep the same
c)
experiment with
d)
investigate
2.
The variable that you measure is the -
a)
IV
b)
DV
c)
Constant
d)
Repeated Trial
3.
The variables in an experiment that stay the same are the - 
a)
IV
b)
DV
c)
Constants
4.
A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?
a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
5.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
6.
Why do we want to test one variable at a time?
a)
Because it is hard to setup a data table with more
b)
To know what is causing the changes
c)
It is what has always been done
d)
No one really knows
7.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
8.
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 dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
9.
Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
10.
Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
11.
Mr. S normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his independent variable?
a)
Type of reward
b)
Praise
c)
Type of dog
d)
Amount of time the dog follows commands
12.
Mr. S normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his dependent variable?
a)
Type of reward
b)
Praise
c)
Type of dog
d)
Amount of time the dog follows commands
13.
How does the amount of yeast affect how high bread rises?
a)
independent
b)
dependent
14.
How does adding cardio to one’s daily schedule affect their heart rate?
a)
independent
b)
dependent
15.

It must be summer.

a)

Qualitative Observation

b)

Quantitative Observation

c)

Opinion

d)

Inference

16.

The table top is smooth.

a)

Qualitative Observation

b)

Quantitative Observation

c)

Hypothesis

d)

Inference

17.

The penguin got pushed in.

a)

Qualitative Observation

b)

Inference

c)

Quantitative Observation

d)

Hypothesis

18.

The penguins are black and white.

a)

Qualitative Observation

b)

Inference

c)

Hypothesis

d)

Quantitative Observation

19.

There are 29 students in the classroom.

a)

quantitative observation

b)

qualitative observation

c)

inference

d)

hypothesis

20.

Which statement is an inference about this picture?

a)

The van is tan.

b)

The van is inside the KFC.

c)

The wall is broken.

d)

Someone has already called 911.

21.

Using any of your 5 senses to describe the world around you.

a)

Observation

b)

Inference

c)

Quantitative Observation

d)

Logical Theory

22.

Using observations to make a logical theory or good guess.

a)

Observation

b)

Inference

c)

Measuring

d)

Qualitative Observation

23.

A student recorded how many commercials she saw in one week. Her results are recorded above. What can you you infer?

a)

The tv shows lasted longer on Monday.

b)

She watched more tv on Monday.

c)

The tv shows didn't last as long as usual on Monday.

d)

She watched less tv on Monday.

24.

The candy was sour.

a)

Qualitative Data

b)

Quantitative Data

25.

The flower is red.

a)

Qualitative Data

b)

Quantitative Data

26.

The mass of the beaker was 122 g.

a)

Qualitative Data

b)

Quantitative Data

27.

There are 13 boys and 14 girls in fifth period.

a)

Qualitative Data

b)

Quantitative Data

28.

You have three sisters.

a)

Qualitative Data

b)

Quantitative Data

29.

His hair is red.

a)

Qualitative Data

b)

Quantitative Data

30.

His hair is red.

a)

Qualitative Data

b)

Quantitative Data

31.
What is the shape of a DNA?
a)
Double Helix
b)
Base Pairing
c)
The shape of you
d)
Hydrogen Bonding
32.
Adenine, Cytosine, Guanine and Thymine are examples of
a)
DNA structure
b)
DNA bases
c)
DNA double helix
d)
Paired bases
33.
The rules of DNA pairing states that Adenine (A) always pairs up with
a)
Thymine
b)
Cytosine
c)
Adenine
d)
Guanine
34.
The rules of DNA pairing states that Cytosine (C) always pairs up with
a)
Thymine
b)
Cytosine
c)
Adenine
d)
Guanine
35.
The sequence of bases forms the
a)
Genetic Code
b)
DNA base pair
c)
Double Helix
d)
Paired bases
36.
What holds the DNA bases together?
a)
Hydrogen bonds
b)
DNA bases
c)
Double Helix
d)
Paired bases
37.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
38.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
39.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
40.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
41.
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
42.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
43.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
44.
Which scientists built a 3-D model of the DNA double helix?
a)
Hershey and Chase
b)
Watson and Crick
c)
Chargaff and Franklin
d)
Griffith and Avery
45.

What does a Double Helix look like?

a)

Twisted ladder

b)

Upside down ladder

c)

Sideways ladder

d)

Double circle

46.
Watson and Crick were the first to suggest that DNA is _____
a)
a short molecule
b)
the shape of a double helix
c)
a protein molecule
d)
the genetic material
47.
What did Erwin Chargaff conclude from his experiments?
a)
Nitrogen bases are held together by peptide bonds
b)
A and T, C and G always occur in equal amounts
c)
Proteins are the carriers of genetic information
d)
C and G rarely occur in eukaryotic organisms
48.
A segment of DNA is called a
a)
chromosome
b)
gene
c)
amino acid
d)
protien
49.

How many chromosomes are in each human cell?

a)

23

b)

46

c)

32

d)

16

50.
Identify #2.
a)
nitrogen base
b)
phosphate group
c)
deoxyribose sugar
d)
nucleotide
51.
X outlines a(n) ___________.
a)
amino acid
b)
nitrogen base 
c)
nucleotide
d)
nitrogen base pair
52.

What does this image represent?

a)

Chromosome

b)

Gene

c)

Nucleus

d)

Nitrogen Bases

53.

Bundled up, organized DNA is called a

a)

gene

b)

trait

c)

chromosome

d)

nucleotide

54.
Who is responsible for producing this image?
a)
Francis Crick
b)
James Watson
c)
Rosalind Franklin
d)
Watson and Crick
55.

Who discovered that genes were composed of DNA?

a)

Oswald Avery

b)

Frederick Griffith

c)

Hershey & Chase

d)

Erwin Chargaff

56.
Since cells were difficult to extract from the lymph glands, but they were found in great quantities in pus from infections, Friedrich (Fritz) Miescher 
a)
determined that nuclein was what transformed rough to smooth bacteria, and thus developed the transforming principle.
b)
was able to isolate nuclein and determined that nuclein was made up of hydrogen, oxygen, nitrogen and phosphorus.
c)
traced radioactive phosphorus and radioactive sulfur and determined that DNA was incorporated into the nucleus of cells.
d)
determined by isolation of nucleic acid from various species, the ratio of adenine to thymine and guanine to cytosine.
57.
Who was responsible for the incorrect model of DNA shown?
a)
Oswald Avery, et. al.
b)
Watson and Crick
c)
Erwin Chargaff
d)
Linus Pauling
58.
What are the nucleotides made of?
a)
Sugar, Phosphate, nitrogen base
b)
Phosphate, Adenine, nitrogen base
c)
Thymine, Adenine, Cytomine
d)
Phosphate, Nitrogen, Adenine
59.
Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) 
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
60.
The sugar in DNA is ?
a)
sucrose
b)
glucose
c)
deoxyribose
d)
fructose
61.

What will the matching sequence be on a strand that reads AAGCAAT?

a)
AACGATA
b)
TTCGTTA
c)
CCTGATA
d)
TTCGATA
62.

Which sequence of DNA bases would pair with this partial strand GTA AGT GAC?

a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
63.

If Chargaff found that a sample of DNA has 40% ADENINE, how much GUANINE would he have determined to be there?

a)
30%
b)
20%
c)

10%

d)

40%

64.

If Chargaff found that a sample of DNA has 25% THYMINE, how much GUANINE would he have calculated to be there?

a)

20%

b)

25%

c)

30%

d)

35%

65.

In the extraction lab, what are the names of the "Spools" that keep DNA wound into a double Helix shape?

a)

Enzymes

b)

Hydrogen bonds

c)

Histones

d)

Nucleotides

66.

A chromosome is packaged

a)

DNA

b)

Protein

c)

Carbohydrates

d)

Lipids

67.

What stage of mitosis is depicted here

a)

Prophase

b)

Anaphase

c)

Telophase

d)

Metaphase

68.

What stage of mitosis is depicted here

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

69.

What stage of mitosis is depicted here

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

70.

What stage of mitosis is depicted here

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

71.

The picture above represents what happens after mitosis which is

a)

Interphase

b)

Cytokinesis

c)

Metaphase

d)

G1

72.

Nuclear membrane breaks down, spindle fibers form describes:

a)

Prophase

b)

Anaphase

c)

Metaphase

d)

Telophase

73.

Spindle fibers attach, centrioles line chromosomes in the center of the cell describes:

a)

Prophase

b)

Telophase

c)

Metaphase

d)

Anaphase

74.

Centrioles pull the chromosomes apart towards the opposite sides of the cell describes:

a)

Prophase

b)

Metaphase

c)

Telophase

d)

Anaphase

75.

Nuclear membranes form, cell begins to pinch to begin splitting describes:

a)

Prophase

b)

Anaphase

c)

Telophase

d)

Metaphase

76.

Cell splits into two.

a)

Metaphase

b)

Cytokinesis

c)

Interphase

d)

Prophase

77.

Which organelle moves the chromosomes?

a)

Centriole

b)

Nucleus

c)

Cell Plate

d)

Lysosomes

78.

What is the image above:

a)

Chromosome

b)

Chromotid

c)

Centromere

d)

Centriole

79.

If there are 20 chromosomes in the nucleus before mitosis how many will there be in each new daughter cell after cytokinesis?

a)

20

b)

10

c)

40

d)

200

80.
How many daughter cells are produced in mitosis?
a)
1
b)
2
c)
4
d)
6
81.

What are the "X" shaped things in the drawing.

a)

PMATs

b)

Chromosomes

c)

Ribosomes

d)

Telophase

82.

What is the purpose of Mitosis?

a)

Growth of an organism and Repair of damaged tissue

b)

To help the body get rid of extra cells

c)

To increase the amount of classwork you have to do

d)

To get rid of the nucleus

83.
DNA is replicated during the ______ phase of the cell cycle.
a)
G1
b)
Synthesis
c)
G2
d)
G0
84.
Cells spend 90% of their time in this stage of the cell cycle. This is the reason you would see most cells in this stage if viewed under a microscope.
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Interphase
85.
What do the cells look like at the end of mitosis?
a)
different from original cell
b)
similar to the original cell
c)
identical to the original cell
d)
none of these
86.
Before cells can divide, what must be copied?
a)
mitochondria
b)
cytoplasm
c)
DNA
d)
Cell Wall
87.

What is the correct order of the cell cycle?

a)

Interphase, Cytokinesis, Mitosis

b)

Interphase, Mitosis, Cytokinesis

c)

Cytokinesis, Mitosis, Interphase

d)

Anaphase, Telophase, Cytokinesis

88.

Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...

a)

16 chromosomes.

b)

46 chromosomes.

c)

8 chromosomes.

d)

4 chromosomes.

89.

how many stages in mitosis

a)

1

b)

2

c)

3

d)

4

90.

Which of these are part of the Cell Cycle?

a)

Mitosis

b)

Interphase

c)

Prophase

d)

Metaphase

e)

Cytokines

91.

Which of these are part of Mitosis?

a)

Metaphase

b)

Prophase

c)

Anaphase

d)

Telophase

e)

Cytokines

92.
The process by which the nuclear material is divided equally between two new cells
a)
mitosis
b)
cancer
c)
spindle
d)
centromere
93.
Structure A refers to the _____.
a)
chromatid
b)
chromosome
c)
centromere
94.

Structure B refers to the _____.

a)
chromatid
b)
chromosome
c)
centromere
95.

A genetically indentical offspring. Single parent.

a)

Haploid

b)

Reproduction

c)

Asexual Reproduction

d)

Sexual Reproduction

96.

A (a)   is formed from a pairing and contains four chromatids.

97.

A cell with single sets of chromosomes.

a)

Diploid

b)

Haploid

c)

Asexual Reproduction

d)

Single Parent

98.

(a)   is the process in which the number of of chromosomes per cell is out in halfway through separation of homoglogous chromosomes in a diploid

99.

A cell with two sets of homologous chromosomes.

a)

Diploid

b)

Haploid

c)

Budding

d)

Fertilization

100.

Offspring that produces and inherit some of their genetic information from both parents.

a)

DNA

b)

Sexual

c)

Sperm and Egg

d)

Sexual Reproduction

101.

Which is not a phase of the cell cycle?

a)

Interphase

b)

Mitosis

c)

Cytokinesis

d)

Duplication

102.

Select all stages of interphase?

a)

G1

b)

S

c)

G2

d)

Mitosis

103.

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

a)

G1

b)

S

c)

G2

d)

Mitosis

104.

In which stage of the cell cycle does the cell duplicate its DNA?

a)

G1

b)

S

c)

G2

d)

Mitosis

105.

In which stage of the cell cycle does the cell split into two?

a)

Mitosis

b)

G1

c)

Cytokinesis

d)

S

106.

_____ is the uncontrolled growth of cells, often resulting in a tumor or mass of abnormal cells

a)

Cancer

b)

Apoptosis

c)

Radiation

107.
Which of the following phases is not included in interphase?
a)
G1
b)
S
c)
G2
d)
M
108.
After mitosis and cytokineses, one cell becomes...
a)
Two identical cells
b)
Two genetically different cells
c)
Four identical cells
d)
Four genetically different cells
109.

Cells of organism must replicate for ?

a)

growth

b)

repair of damaged tissue

c)

replacement of dying cells.

d)

All of the above

110.

What is this phase of Mitosis?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

111.

Which of the following is a sex cell?

a)

sperm

b)

bone

c)

heart

d)

muscle

112.

At the end of cell division, what happens after telophase?

a)

cytokinesis

b)

cytoplasm

c)

Indiana Jones wins the day!

d)

telophase 2

113.

What is this phase of mitosis?

a)

Prophase

b)

Anaphase

c)

Telophase

d)

Metaphase

114.

What is this phase of mitosis? (hint: apart)

a)

Prophase

b)

Anaphase

c)

Telophase

d)

Metaphase

115.

Type of cell divison that results in two daugther cells ech having the same number and kind of chromosomes as the parent.

a)

Mitosis

b)

Meiosis

c)

Metaphase

116.

Who came up with the name "cells" while looking at a slice of cork under a microscope?

a)

Matthias Schleiden

b)

Anton van Leeuwenhoek

c)

Robert Hooke

d)

Rudolf Virchow

117.

Who looked at living organisms in dental scrapings and pond water, and became known as "the father of microbiology?"

a)

Rudolf Virchow

b)

Anton van Leeuwenhoek

c)

Matthias Schleiden

d)

Theodor Schwann

118.

In 1838, who was the German botanist that found that all plants were made of cells?

a)

Matthias Schleiden

b)

Theodor Schwann

c)

Rudolf Virchow

d)

Robert Hooke

119.

In 1839, who was the German physician that added to the cell theory by finding all animals were made of cells?

a)

Anton van Leeuwenhoek

b)

Robert Hooke

c)

Matthias Schleiden

d)

Theodor Schwann

120.

Prokaryotic cells do NOT have membrane bound organelles or ______________________________.

a)

cytoplasm

b)

a nucleus

c)

ribosomes

d)

DNA

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