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P2 T3 GRADE 9-10 REVIEWER

Total questions: 125

Worksheet time: 2hrs 48mins

Name
Class
Date
1.

What does biology mean?

a)

the study of forces

b)

the study of energy

c)

the study of life

d)

the study of molecules

2.

If you propose that certain animals behave strangely before a natural disaster, this would be an example of

a)

an experiment

b)

a hypothesis

c)

a conclusion

d)

a theory

3.

What is the difference between a question and a hypothesis?

a)

A question is the summary of data collected and the hypothesis is the interpretation of the data.

b)

A question is an assumption and the hypothesis is the answer to the assumption.

c)

A question is what you end up with after the test and the hypothesis is a summary of the conclusions.

d)

A question follows from an interesting observation and the hypothesis is an educated guess or answer to that question.

4.

What is the first step in the scientific method?

a)

Hypothesis

b)

Test

c)

Observation

d)

Prediction

5.

Lying in bed you notice that you get cold every time your brother opens the door. This is most closely associated with which step in the scientific method?

a)

Making an observation

b)

Conclusion

c)

Developing a test

d)

Forming a hypothesis

6.
Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.
a)
If I make a paper airplane from notebook paper, then it will fly faster than construction paper.
b)
Yes.
c)
No.
d)
I think the construction paper air plane will fly faster.
7.

List the Scientific Process steps in order.

a)

Observation, Question, Hypothesis, Experiment, Data, Conclusion

b)

Conclusion, Observation, Experiment, Data, Hypothesis

c)

Observation, Experiment, Hypothesis, Conclusion, Data, Question

d)

None of the above

8.
A scientist performs an experiment to see if acids have an effect on the health of a particular type of plant. Three sets of plants were treated with acidic solutions of known pH while the control set was treated with a solution of neutral pH 7.Which is the best conclusion for this experiment?
a)
Acid has no effect on the health of this type of plant.
b)
B. High acidity is helpful to this type of plant.
c)
C. Low acidity is harmful to this type of plant.
d)
High acidity is harmful to this type of plant.
9.

Lisa wants to see which liquid would make plants grow tallest. She gathers 3 plants, 50 ml of milk, apple juice, and Pepsi. What variable is Lisa testing?

a)

The amount of sunlight.

b)

The amount of liquid placed in each plant.

c)

The types of liquids that will make the plants grow tallest.

d)

The kind of dirt.

10.

Which of the following does NOT belong to the cell theory?

a)

all living organisms have the same type of cell

b)

All living organisms are composed of one or more cells

c)

All cells come pre-existing cells

d)

Cells are the basic unit of life

11.

All bacteria cells are...

a)

Prokaryotic Cells

b)

Eukaryotic Cells

12.

In a eukaryotic cell, where is the DNA located?

a)

In the cell membrane

b)

There is no DNA

c)

In the nucleus

d)

In the cell wall

13.

In a prokaryotic cell, where is the DNA located?

a)

In the cell wall

b)

In the nucleus

c)

In the cell membrane

d)

It has no specific location

14.

What type of cells do animals have?

a)

prokaryotic cells

b)

bacteria cells

c)

eukaryotic cells

d)

none of the above

15.

Check the boxes that tell the cell theory.

a)

all organisms are composed of one or more cells

b)

all cells are the basic unit of life

c)

All cells are plant cells

d)

All cells come from pre-existing cells

16.

What do you see?

a)

a prokaryotic cell

b)

the bottom of the ocean

c)

a white blood cell

d)

an eukaryotic cell

17.

What do you see?

a)

a white blood cell

b)

an eukaryotic cell

c)

DNA

d)

a prokaryotic cell

18.

True or False:

Only eukaryotic cells have DNA.

a)

True

b)

False

19.
Which of the following is found inside a prokaryote?
a)
cytoplasm
b)
DNA
c)
ribosomes
d)
all of these
20.

Which cells contain Ribosomes?

a)

Prokaryotic

b)

Eukaryotic

c)

Both

21.

Which cells have cytoplasm?

a)

Prokaryotic

b)

Eukaryotic

c)

Both

22.
Which of the following would be found in both eukaryotic AND prokaryotic cells?
a)
chloroplast
b)
cytoplasm
c)
nucleus
d)
endoplasmic reticulum
23.

Animal cells can be distinguished from plant cells easily because of which of the following?

a)

Animal cells have mitochondria and plant cells do not.

b)

Plant cells have lysosomes and animal cells do not.

c)

Only plant cells have centrioles around their nucleus.

d)

Only plant cells have large central vacuoles and cell walls.

24.

Jared observes a cell in biology lab with the light microscope. The cell has the following structures: nucleus, cell wall, and chloroplast. Identify the type of cell that Jared is observing.

a)

animal

b)

plant

c)

fungus

d)

bacteria

25.

Carrie observes an electron micrograph of a cell during biology lab. The cell has a flagellum, ribosomes, cell wall, and no apparent nucleus. Which of the following is likely true of the cell that Carrie is observing?

a)

The cell also contains mitochondria.

b)

The presence of the organelles proves that the cell is eukaryotic.

c)

The cell is a plant because of the cell wall.

d)

The cell is prokaryotic.

26.

Look at the cell organelles. Which of these organelles transports organic molecules that are responsible for providing structure and controlling cellular processes?

a)

endoplasmic reticulum

b)

mitochondria

c)

ribosomes

d)

Golgi apparatus

27.

Which of the following best describes the function of the Golgi apparatus?

a)

It modifies and transports proteins after the ribosome makes them.

b)

It manufactures lipids and then transports them to a new location.

c)

It manufactures proteins and nucleic acids using the DNA code.

d)

It modifies lipids and proteins and places them into packages.

28.

Prokaryotes do not have a nucleus. Which of the following organelles is also NOT found in a prokaryote?

a)

cell wall

b)

ribososme

c)

flagellum

d)

mitochondria

29.

Which structure within the cell plays an important role in energy production for the cell?

a)

ribosome

b)

endoplasmic reticulum

c)

mitochondria

d)

Golgi apparatus

30.

Surrounds the plant cell and maintains the cell shape and structure.

a)

Cell wall

b)

Cell membrane

c)

Nucleus

d)

Ribosome

31.

Makes food for the plant cell.

a)

Ribosome

b)

nucleus

c)

chloroplast

d)

cytoplasm

32.

Controls what goes in and out of the cell.

a)

cell membrane

b)

cell wall

c)

organelle

d)

cell

33.

The "garbage can" of the cell; digestion and waste removal.

a)

cell wall

b)

cell membrane

c)

lysosome

d)

nucleus

34.

Houses gel-like fluids that support cell organelles and holds them in place.

a)

cytoplasm

b)

endoplasmic reticulum (e.r.)

c)

golgi bodies

d)

nucleus

35.

The control center for the cell.

a)

ribosome

b)

cytoplasm

c)

nucleus

d)

cell membrane

36.

Place where materials are processed and moved around inside the cell.

a)

endoplasmic reticulum (e.r.)

b)

mitochondria

c)

cytoplasm

d)

chloroplast

37.

Makes protein for the cell.

a)

ribosome

b)

mitochondria

c)

endoplasmic reticulum

d)

cell membrane

38.

Storage space for water, wastes, food, and other cellular material

a)

mitochondria

b)

cell membrane

c)

cell wall

d)

vacuoles

39.

The "powerhouse" of the cell; breaks down food to make energy for the cell.

a)

organelles

b)

cell

c)

mitochondria

d)

cytoplasm

40.

Packages and transmits cellular materials throughout the cell.

a)

golgi bodies

b)

plant cell

c)

endoplasmic reticulum

d)

organelles

41.

The basic unit of structure and function in living things.

a)

cell

b)

cell wall

c)

plant cell

d)

cell membrane

42.

Where are the ribosomes attached in a cell?

a)

Smooth ER

b)

Cell Membrane

c)

Mitochondria

d)

Rough ER

43.

What two jobs does the nucleus have?

a)

Breaks down proteins

b)

Makes cell laws

c)

Animal cells don't have a nucleus

d)

Stores the cell's DNA

44.

How many chromosomes do humans have?

a)

9

b)

90

c)

46

d)

72

45.

What is the cellular process that takes place within the mitochondria?

a)

Respiration

b)

Cell waste

c)

rRNA

d)

mRNA

46.

What is the product of cellular respiration? Energy in the form of __________?

a)

ATP

b)

USD

c)

LPS

47.

The two kinds of cells are Prokaryotes and Eukaryotes. How are they different?

a)

Prokaryotes have a nucleus.

b)

Eukaryotes have a nucleus.

c)

There is no difference.

48.
What type of cell has a nucleus? 
a)
eukaryotic
b)
prokaryotic 
49.
Every living organism is made up of one or more cells
a)
True
b)
False
50.
These are  "little organs" that carry out cell functions.
a)
lysosomes
b)
organelles
c)
golgi bodies
d)
mitochondria
51.

What is number 1?

a)

mitochondrion

b)

cell membrane

c)

nucleus

d)

vacuole

52.

What is number 2?

a)

mitochondrion

b)

cell membrane

c)

nucleus

d)

vacuole

53.

What is number 3?

a)

mitochondria

b)

cell membrane

c)

nucleus

d)

vacuole

54.

What is number 4?

a)

mitochondria

b)

cell membrane

c)

nucleus

d)

vacuole

55.

#6

a)

cell membrane

b)

mitochondria

c)

Golgi

56.
L
a)
Vacuole
b)
Cell Wall
c)
ER
d)
Golgi Bodies
57.

What is number 1 ?

a)

nucleus

b)

cell membrane

c)

nucleolus

d)

chromatin

58.

What is number 2?

a)

cell membrane

b)

cytoplasm

c)

vacuole

d)

ribosomes

59.

Which of the following is true for both bacteria and viruses?

a)

both contain genetic material

b)

can be killed using antibiotics

c)

have a cell membrane

d)

have a protein coat

60.
Why do scientists classify viruses as non-living?
a)
They DO respond to a stimulus
b)
They need a host's energy because they do not have their own energy 
c)
They produce wastes
d)
They are really small 
61.

Which of the following organelles is present both in a prokaryotic cell and in a eukaryotic cell?

a)

nucleus

b)

mitochondrion

c)

golgi apparatus

d)

ribosomes

62.

What is D pointing at?

a)

Flagellum

b)

Pilia

c)

Cell Membrane

d)

Nucleus

63.
Bacteria is what kind of cell?
a)
Eukaryotic
b)
Prokaryotic
64.

The main difference in the outcome of mitosis from meiosis is ________.

a)

Meiosis produces somatic cells

b)

Mitosis only occurs in vertebrates

c)

Meiosis results in haploid and mitosis results in diploid cells.

d)

Meiosis produces identical daughter cells while mitosis produces daughter cell

65.

Which of the following events does not occur during some stages of interphase?

a)

DNA duplication

b)

Organelle Duplication

c)

Increase in cell size

d)

separation of sister chromatid

66.

Unpacking of chromosomes and the formation of a new nuclear envelope is a characteristic of which stage of mitosis?

a)

Prometaphase

b)

Metaphase

c)

Anaphase

d)

Telophase

67.

Separation of the sister chromatids is a characteristic of which stage of mitosis?

a)

Prometaphase

b)

Metaphase

c)

Anaphase

d)

Telophase

68.

Meiosis produces _______________ daughter cells.

a)

Two Haploid

b)

Two Diploid

c)

Four Haploid

d)

Four Diploid

69.

The stage in Interphase where organelles are formed, and proteins are produced

a)

G1 Phase

b)

G2 Phase

c)

Synthesis Phase

d)

Mitosis Phase

70.
What does NOT happen during interphase?
a)
growth
b)
DNA replication 
c)
obtaining nutrients
d)
cell divison
71.
Cytokinesis is a phase of mitosis. 
a)
True
b)
False 
72.
Cells spend the majority of their lives in
a)
Interphase
b)
Mitosis
c)
Synthesis 
d)
Gap 2
73.

Cells of organisms must go through cell division for?

a)

growth

b)

repair of damaged cells

c)

replacement of dying cells.

d)

All of these

74.

DNA is replicated during ______ of the cell cycle.

a)

Gap 1

b)

Synthesis (S phase)

c)

Gap 2

d)

Gap 0

75.
What is cytokinesis?
a)
This is when two cells merge together to make one giant cell.
b)
The stage where chromosomes migrate to the opposite ends of the cell. 
c)
The stage of the cell cycle where the rest of the cell divides after mitosis is complete.
d)
The stage in which DNA condenses into chromosomes.
76.
What occurs during G1?
a)
Checkpoint after S phase
b)
Chromosomes line up at the equator.
c)
The cell grows and develops.
d)
Spindle fibers separate chromosomes to opposite poles of the cell. 
77.
True or False:
Normal cells grow and divide continuously.
a)
True
b)
False
78.

During most of interphase, DNA is found in a relaxed form called

a)

chromosome

b)

centromere

c)

centriole

d)

chromatin

79.

During mitosis, DNA is found in the condensed form called a

a)

chromosome

b)

centromere

c)

centriole

d)

chromatin

80.

In prophase of mitosis, chromosomes

a)

form and the nuclear envelope disappears.

b)

are pulled toward opposite ends of the cell.

c)

chromosomes line up along the equator of the cell

d)

chromosomes begin to decondense and the two new nuclei begin to form.

81.

In metaphase of mitosis, chromosomes

a)

form and the nuclear envelope disappears.

b)

are pulled toward opposite ends of the cell.

c)

chromosomes line up along the equator of the cell

d)

chromosomes begin to decondense and the two new nuclei begin to form.

82.

In anaphase of mitosis, chromosomes

a)

form and the nuclear envelope disappears.

b)

are pulled toward opposite ends of the cell.

c)

chromosomes line up along the equator of the cell

d)

chromosomes begin to decondense and the two new nuclei begin to form.

83.

In telophase of mitosis, chromosomes

a)

form and the nuclear envelope disappears.

b)

are pulled toward opposite ends of the cell.

c)

chromosomes line up along the equator of the cell

d)

chromosomes begin to decondense and the two new nuclei begin to form.

84.

After mitosis, the cytoplasm and organelles are divided between the two new forming cells in a process called

a)

centriole

b)

chromatin

c)

cytokinesis

d)

centromere

85.

This process is the programmed death of a cell

a)

stem cell

b)

regulation

c)

apoptosis

d)

cytocide

86.
What is a gene?
a)
A bundle (like a hot dog bun) that the DNA is packed into
b)
something inside the nucleus
c)
a piece of DNA
d)
all of your DNA
87.
What is the relationship between DNA and chromosomes?
a)
Chromosomes are made of DNA
b)
DNA is made of chromosomes
c)
DNA and chromosomes are the same thing.
d)
All of the above are correct
88.

Which of the following statements about chromosomes is correct?

a)

Chromosomes are long, thread-like structures

b)

Chromosomes are found in the nucleus of all cells in the human body

c)

Chromosomes contain DNA

d)

All of the above

89.
The twisted ladder shape of DNA is referred to as a ....
a)
Twizzler candy
b)
twisted ladder
c)
double helix
d)
yo mama
90.

What is a gene

a)

A long length of DNA that codes for a chromosome

b)

A short length of DNA that codes for a chromosome

c)

A short length of DNA that codes for a protein.

91.

The number of human chromosomes is

a)

23

b)

46

c)

92

d)

64

92.
Why are your chromosomes arranged in pairs?
a)
Scientists have no idea
b)
Because you get one from your mom and one from your dad
c)
Because pairs can divide easier
d)
Because DNA is awesome
93.

DNA is a molecule made up of a combination of how many DNA bases?

a)

1

b)

2

c)

3

d)

4

94.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
95.

Which of the following scientist proved the patterns of inheritance using PEA PLANTS?

a)

Reginald C. Punnett

b)

Gregor Mendel

c)

Johann Friedrich Miescher

96.

What are the four nucleobases in the DNA?

a)

adenine, thymine, guanine, serine

b)

adenine, uracil, guanine, cytosine

c)

adenine, thymine, guanine, cytosine

97.

It is used to determined the probability for one offspring.

a)

Square knots

b)

Back Cross

c)

Punnett Square

d)

Test Cross

98.

This trait is always masked by a dominant trait and can only be expressed when both are inherited.

a)

allele

b)

dominant

c)

recessive

d)

codominance

99.

These are joined by a centromere.

a)

sister chromatids

b)

genes

c)

DNA

d)

nucleus

100.

It is a set of observable characteristics of an individual.

a)

Genotype

b)

Pinoytype

c)

Phenotype

d)

Homozygous

101.

It is an organism’s set of heritable genes that can be passed down from parents to offspring.

a)

Pinoytype

b)

Genotype

c)

Phenotype

d)

chromosomes

102.

It is having two different alleles of a particular gene or genes.

a)

homozygous

b)

heterogeneous

c)

homogeneous

d)

heterozygous

103.

It is having two identical alleles of a particular gene or genes.

a)

homologous

b)

homogenous

c)

homozygous

d)

heterozygous

104.

What is genetics?

a)

The study of DNA nucleotides

b)

The study of heredity

c)

The study of a cell dividing into 2

d)

The study of eye color

105.

A roan (RW) bull mated with a red (RR) cow. What is the probability or producing a white (WW) cow?

a)

25%

b)

50%

c)

100%

d)

0%

106.
In this Punnett Square, bb is crossed with BB. What is the probability of a resulting Bb?
a)
0%
b)
25%
c)
50%
d)
100%
107.
G = green, g = yellow
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
108.

In Geckos spots are dominate to striped. If two Gecko that are RR and rr what is the possibility of the offspring being spotted?

a)

0%

b)

25%

c)

100%

d)

50%

109.

A black cow and brown bull are mated. Each is homozygous and black is dominant to brown. What is the chances that the offspring will be brown?

a)

75%

b)

0%

c)

50%

d)

25%

110.
Each one of the boxes on the Punnett Square represents what probability of an offsprings' genotype?
a)
25%
b)
1%
c)
10%
d)
0%
111.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
112.
AA and Aa always show up as
a)
dominant
b)
recessive
113.
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness? 
a)
0 in 4
b)
1 in 4
c)
2 in 4
d)
4 in 4
114.
In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?
a)
rr
b)
R
c)
RR
d)
RR or Rr
115.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
116.
What is the phenotype of the offspring? (A-Brown hair; a-blond hair) 
a)
50 % Brown Hair and 50% Blond Hair 
b)
25 % Brown Hair and 75% Blond Hair 
c)
75 % Brown Hair and 25% Blond Hair 
d)
0% Brown Hair and 100% Blond Hair 
117.
If you have a male with large wings (DD) and a female with small wings (dd). What allele stands for large wings? 
a)
D
b)
d
c)
Dd
d)
dd
118.
A green pea plant (GG) is being crossed with a green pea plant (Gg). What is the phenotype?
a)
100 % rainbow 
b)
50% yellow and 50% green 
c)
100% green
d)
100% yellow 
119.
How many alleles (letters) does a child get from each parent for each trait?
a)
1
b)
2
c)
3
d)
4
120.
In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?
a)
0%
b)
25%
c)
50%
d)
75%
121.
Mitosis is the process by which
a)
Cells get bigger
b)
Cells get smaller
c)
Body cells divide into two
d)
Cells die
122.

  It is the phase of mitosis where the duplicated genetic materials are separated and carried in the nucleus of a parent cell into two identical daughter cells  and chromatin condenses.

a)

A. Anaphase

b)

B. Prophase

c)

C. Metaphase

d)

D. Telophase

123.

During this phase of mitosis the nucleus dissolves and the cell's chromosomes condense and move together, aligning in the center of dividing cells.

a)

A. Prophase

b)

B. Anaphase

c)

C. Metaphase

d)

D. Telophase

124.

The sister chromatids separate from each other and are pulled towards the opposite ends of the cell. What phase of mitosis is this?

a)

A. Prophase

b)

B. Anaphase

c)

C. Metaphase

d)

D. Telophase

125.

This is the phase of mitosis where the cell is nearly done dividing, and it starts to re-establish its normal structures as cytokinesis (division of the cell contents) takes place. What phase of mitosis is being described?

a)

A. Prophase

b)

B. Anaphase

c)

C. Metaphase

d)

D. Telophase

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