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Biology STAAR Review All Categories

Total questions: 121

Worksheet time: 4hrs 2mins

Name
Class
Date
1.

What is this a picture of?

a)

Prokaryote

b)

Eukaryote

c)

Virus

d)

Animal Cell

2.

What is the only example of a Prokaryotic cell?

a)

Bacteria

b)

Mushroom

c)

Plant

d)

Dog

3.

Which table headings should the student use for the two groups?

a)

1. Animal cells………..2. Plant Cells

b)

1. Prokaryotic cells…..2. Eukaryotic cells

c)

1. Mobile cells………..2. Motile cells

d)

1. Fungal cells………..2. Bacterial cells

4.

Some students used information they gathered from lab investigation to prepare a table. They entered the table in their lab notebook.

a)

Cell 1 is eukaryotic, and Cell 2 is Prokaryotic

b)

Cell 1 is prokaryotic, and Cell 2 is Eukaryotic

c)

Both cell 1 and Cell 2 are Eukaryotic

d)

Both Cell 1 and Cell 2 are Prokaryotic

5.

A photograph of a virus is shown. The projections on the surface of this virus allow the virus to---

a)

move inside a host cell.

b)

attach to a host cell.

c)

control a host cell's DNA.

d)

signal other viruses to infect a host cell.

6.

The movement of particles from an area of high to low concentration is known as--

a)

Passive Transport

b)

Active Transport

7.

The movement of molecules from low to high is known as

a)

simple diffusion

b)

facilitated diffusion

c)

active transport

d)

osmosis

8.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
9.
What part of a virus is the protein capsule that houses the genetic material (DNA/RNA)?
a)
tail
b)
nucleus
c)
capsid
d)
glycoprotein
10.
Which viral life cycle allows viral genetic material to lay dormant while the host cell reproduces?
a)
lytic
b)
mitosis
c)
lysogenic
d)
S phase
11.

Which viral life cycle will cause symptoms in DAYS:

a)
lytic
b)
mitosis
c)
lysogenic
d)
S phase
12.
Is a virus considered living or non-living?
a)
Living
b)
Non-Living
c)
Neither
13.
What do viruses have in common with living cells? They both...
a)
store genetic information
b)
have chloroplasts
c)
use glucose for cellular respiration
d)
have endoplasmic reticulum
14.
What do viruses need to reproduce?
a)
they need genetic material
b)
They need a host cell
c)
They need  bacteria
d)
They need insulin
15.
What is the longest stage of the cell cycle called?
a)
Cytokinesis
b)
M phase
c)
Interphase
d)
G1 Phase
16.
During what stage does the G1, S and G2 phases happen?
a)
Interphase
b)
M phase
c)
Mitosis
d)
Cytokinesis
17.
During what phase of the cell cycle does cell division occur?
a)
Interphase
b)
M phase
c)
S phase
d)
G2 phase
18.
During what phase of the cell cycle is DNA replicated?
a)
G1 phase
b)
S phase
c)
G2 phase
d)
M phase
19.
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase. 
a)
prophase, metaphase, telophase, anaphase
b)
prophase, anaphase, metaphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, telophase, metaphase, anaphase
20.
What phase is this cell in?
a)
Cytokinesis
b)
Mitosis
c)
Prophase
d)
Metaphase
21.
What phase is this cell in?
a)
Mitosis
b)
Interphase
c)
Anaphase
d)
Telophase
22.

DNA is replicated during ______ of the cell cycle.

a)

Gap 1

b)

Synthesis (S phase)

c)

Gap 2

d)

Gap 0

23.

How many chromosomes are in each human body cell?

a)

46

b)

23

c)

1

d)

48

24.

What is the end result of mitosis?

a)

2 identical body cells

b)

2 gametes

c)

2 zygotes

d)

2 different body cells

25.
An abnormal mass of cancer cells is called a 
a)
tumor
b)
cyst
c)
lesion
d)
polyp
26.
Cancer creates abnormal cells by disrupting
a)
the cell cycle
b)
red blood cell formation
c)
DNA replication
d)
ATP synthesis
27.
Cancer is
a)
a premature stop in the cell cycle.
b)
uncontrolled mitosis.
c)
programmed cell death.
28.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
29.
DNA is a polymer made of:
a)
Nucleotides
b)
Ribosomes
c)
Purines
d)
Pyrimidines
30.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
31.
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
32.

Variations in DNA base sequences are called

a)

mutations.

b)

duplications.

c)

replication.

d)

none of the answers are correct

33.

What mutation has occurred here?

T-G-A-C-C-A

T-G-A-G-C-A

a)

Substitution

b)

Deletion

c)

Insertion

d)

Frameshift

34.

DNA molecule segment is : TTACGCAAG

The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

a)

Substitution

b)

Deletion

c)

Insertion

d)

Inversion

35.
Which of the following cells is a gamete?
a)
egg
b)
bone
c)
heart
d)
muscle
36.

If the diploid number of carrots is 18, the haploid number is

a)

18

b)

9

c)

27

d)

36

37.
The result of meiosis is:
a)
two diploid cells
b)
two haploid cells
c)
four diploid cells
d)
four haploid cells
38.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
39.

At the end of mitosis you have _____ cells.

a)

identical

b)

different

c)

identical twins

d)

variety

40.

What is the primary cause of genetic variation during meiosis?

a)

chromosomes lining up

b)

"crossing over" of chromosomes

c)

separation of chromosomes

d)

chromosomes pulling apart

41.

The diagram shows the process of crossing over. Which claim about crossing over in chromosomes is best supported by the diagram?

a)

Crossing over increases genetic diversity through deletion.

b)

Crossing over decreases genetic diversity through mutation.

c)

Crossing over increases genetic diversity by creating new combinations of genes.

d)

Crossing over decreases genetic diversity by inserting nucleotides into gene sequences.

42.

CROSSING OVER INCREASES

a)

LIFE SPAN

b)

GENETIC VARIATION

c)

THE NUMBER OF OFF-SPRING

d)

ALL ARE TRUE

43.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
44.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
45.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
46.
Which of the following is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
47.

B = brown fur b = white fur

In the Punnett square, what is the probability for white fur?

a)

0%

b)

25%

c)

50%

d)

75%

48.

The Himalayan rabbit’s habitat has cold, snowy winters and mild summers. The body is typically covered in white fur except for the nose, feet, tail, and ears, which are covered in black fur. A scientist shaved an area of white fur on the back of a Himalayan rabbit and placed an ice pack over the shaved area. The shaved area grew black fur. Which of these bests explains why the hair that grew back where the ice pack was placed was black and not white?

a)

The genes for black hair were activated by specific temperatures.

b)

The white hair mutated to black hair as the rabbit’s body temperature decreased.

c)

The coat color changed from white to black with the age of the rabbit.

d)

White hair only grows during certain times of the year.

49.

In what process is mRNA synthesized?

a)

Transcription

b)

Translation

c)

DNA Replication

d)

Mitosis

50.

Where does TRANSCRIPTION occur?

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Mitochondria

51.

TRANSCRIBE this DNA sequence: TACGTTACT

a)

AUGCAAUGA

b)

ATGCAATGA

c)

AUGGATUGA

d)

TACGTTACT

52.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
53.

What amino acid is represented by the codon AUG?

a)

Phenylalanine

b)

Methionine

c)

Leucine

d)

Stop codon

54.

What amino acid would be added to the protein being formed during translation if the mRNA codon reads "CCU?"

a)

Isoleucine

b)

Stop

c)

Methionine

d)

Proline

55.

What is the correct amino acid sequence for the mRNA code AUG GCA AAC CGU

a)

Met-Ala-Asn-Ala

b)

Met-Ala (because the third codon codes for STOP)

c)

Ileu-Ala-Asn-Ala

d)

Met-Ala-Asn-Arg

e)

Ileu-Ala-Asn-Ala

56.

Clues about how organisms change over time is

a)

mutations

b)

biogeography

c)

homologies

d)

fossil record

57.

a predessor that an organism shares with another organism

a)

homology

b)

common ancestor

c)

mutation

d)

fossil

58.

comparing bone structure is a

a)

fossil record

b)

anatomical homology

c)

developmental homology

d)

molecular homology

59.

species that show similar embryonic development

a)

fossil record

b)

anatomical homology

c)

developmental homology

d)

molecular homology

60.
Which organisms are most likely to survive?
a)
the best adapted
b)
the fastest
c)
the strongest
d)
the most domesticated (tamed)
61.
Change over time
a)
Natural Selection
b)
Selective Breeding
c)
Homeostasis
d)
Evolution
62.
Which of these is an example of natural selection?
a)
The largest animal in a population will have more opportunities for reproduction.
b)
Several species of organisms work together so that they all succeed.
c)
One species takes all the resources in an environment leaving none for others.
d)
Organism that are best suited to an environment tend to survive and reproduce more often.
63.
Behavioral changes of individuals of a species that allow for better survival. (Acquired traits)
a)
Variation
b)
Adaptation
c)
Behavior
d)
Environment
64.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
65.

An organism identified with binomial nomenclature includes which two taxa?

a)

class and order

b)

family and genus

c)

genus and species

d)

kingdom and phylum

66.
Dandelion, What kingdom does it belongs to?
a)
Plant Kingdom
b)
Animal Kingdom
c)
Fungi Kingdom
d)
Protista Kingdom
67.
A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?
a)
Juniper
b)
Pine
c)
Spruce
d)
Fir
68.
A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
a)
Coleoptera
b)
Heteroptera
c)
Diptera
d)
Lepidoptera
69.

Which group of animals on this tree are most closely related to birds?

a)

Saurischian dinosaurs

b)

Ornithischian dinosaurs

c)

Crocodiles

d)

None of these are related to birds

70.

Who is the closest relative to the brown bear?

a)

Giant panda

b)

Dog

c)

Lesser panda

d)

Sun bear

71.

Which organism is the most distantly related to all the others?

a)

Raccoon

b)

Dog

c)

Giant Panda

d)

Sun Bear

72.

Which macromolecule has the function of quick energy?

a)

Lipids

b)

Carbohydrates

c)

Protein

d)

Nucleic Acids

73.

Which macromolecule has the function of long term energy or energy storage

a)

Nucleic Acids

b)

Carbohydrates

c)

Lipids

d)

Protein

74.

What are two factors that can affect an enzymes ability to function?

a)

No changing

b)

temperature and pH

c)

night and day

d)

hot and cold

75.
What is the function of nucleic acids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
76.
Carbohydrates are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
77.
Lipids are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
78.
Proteins are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
79.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
80.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered or denatured
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
81.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
82.

What is the optimal pH of enzyme A?

a)

8

b)

2

c)

5.7-10

d)

10

83.

What is the optimal pH of enzyme B?

a)

8

b)

2

c)

5.7-10

d)

10

84.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
85.
Where does photosynthesis take place in the plant cell?
a)
Nucleus
b)
Cytoplasm
c)

Chloroplast

d)
Mitochondria
86.
What are the two products of photosynthesis?
a)
Oxygen and Carbon Dioxide
b)

Oxygen and Sugar

c)
Sunlight and Sugar
87.

What are the reactants in cell respiration?

a)

water, carbon dioxide, light

b)

oxygen, sugar

c)

sugar, water, carbon dioxide

88.

What is the energy that is produced in cell respiration?

a)

ADP

b)

Sugar

c)

ATP

89.

What are the products of cell respiration?

a)

water, light, and sugar

b)

water, carbon dioxide, ATP

c)

oxygen, water, sugar

90.

Which set of Organs belongs to the Excretory System?

a)

Heart, blood vessels

b)

Trachea, larynx, pharynx, and lungs

c)

Kidneys, urinary bladder

d)

Brain, spinal column

91.

Which set of organs belong to the Nervous System?

a)

Heart, blood vessels

b)

Kidneys, urinary bladder

c)

Esophagus, stomach, intestines

d)

Brain, spinal column

92.

Which organs belong to the Circulatory System

a)

Heart, blood vessels

b)

Esophagus, stomach

c)

Trachea, larynx, pharynx, lungs

d)

Brain, spinal column

93.

Which organs belong to the Respiratory System?

a)

Bones, cartilage

b)

Cardiac, smooth, skeletal

c)

Trachea, larynx, pharynx, lungs

d)

Kidneys, urinary bladder

94.

What is the purpose of the Circulatory System?

a)

Transports oxygen and nutrients

b)

Removes extra water and wastes

c)

Digests foods and absorbs nutrients

d)

Collects, transfers and processes information

95.

What is the purpose of the Skeletal System?

a)

Transports oxygen and nutrients

b)

Supports and protects the body, creates blood

c)

Movement and heat production

d)

Gas exchange in the body and lungs

96.

Integumentary system includes:

(select all possible answers)

a)

skin

b)

nails

c)

muscles

d)

hair

e)

theet

97.

What is NOT a function of the root system?

a)

Anchor the plant to the ground

b)

Absorb water and nutrients

c)

Store energy for example in potatoes or carrots

d)

Create food for the plant through photosynthesis

98.

What is a function of the root system?

a)

Absorb Water

b)

Absorb sun light

c)

Reproduce

d)

Take in carbon dioxide

99.

The part of the plant

that is generally above the ground including stems, leaves, buds and reproductive structures

a)

Stem System

b)

Leaf system

c)

Shoot system

d)

Xylem

100.

The part of the plant

that is generally

under the ground

and in the soil

a)

Reproductive System

b)

Transpiration

c)

Shoot System

d)

Root System

101.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
102.
Multiple organisms of the same species describes a
a)
organism
b)
population
c)
community
d)
ecosystem
103.
A forest full of many kinds of trees and grasses is an example of a
a)
group
b)
organism
c)
population
d)
community
104.
succession that occurs in an area where soil is already present
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
105.

Primary succession occurs in areas with:

a)

very little soil

b)

lots of soil

c)

no soil

d)

soil that has been disturbed

106.

What do we call the first species that colonize a new area?

a)

Foreign Species

b)

Pioneer Species

c)

Intraspecies

d)

Interspecies

107.

Remoras are fish that swim alongside sharks, eating scraps that the sharks leave behind. This is an example of:

a)

Amensalism

b)

Commensalism

c)

Parasitism

d)

Mutualism

108.

When a honeybee pollinates flowers, the bee gets access to nectar, while the flowers gain the chance to reproduce. This is an example of:

a)

Amensalism

b)

Commensalism

c)

Parasitism

d)

Mutualism

109.

Which of the following is an example of a parasite?

a)

A flea

b)

An orchid

c)

An Egyptian plover

d)

The bacteria that live in human intestines

110.

Mistletoe is a plant that grows in the branches of other plants. It grows by taking nutrients and water from these plants. This is an example of:

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Amensalism

111.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
112.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
113.
An animal that eats only plants is an...
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
114.

The food chain is--

a)

The movement of water from the surface to the atmosphere.

b)

The path of food energy from one organism to another.

c)

The ranking of organisms by size in an ecosystem.

d)

A list of food that consumers will eat in an ecosystem.

115.

What type of organisms make their own food for energy?

a)

Consumers

b)

Decomposers

c)

Producers

d)

Predators

116.

What is most likely the first thing to result from having fewer field mice in the food chain pictured here?

a)

The snakes would have to find another food source.

b)

The plants that make seeds would decrease in number.

c)

The eagles would have to fly away to a location.

d)

The mice would eat many more kinds of seeds.

117.

Based on the food chain, what effect would be the most likely direct result of increasing the number of fish?

a)

Beetles would have trouble finding food.

b)

There would be more kinds of plants.

c)

The population of beetles decreased.

d)

Plants would no longer survive in this habitat.

118.

What is the bottom layer of the an energy pyramid?

a)

producer

b)

tertiary consumer

c)

Secondary consumer

d)

primary consumer

119.
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
a)
10 Kcal
b)
1 Kcal
c)
100 Kcal
d)
1000 Kcal
120.
Which organism in this food chain is a producer?
a)
Fish
b)
Grass
c)
Grasshopper
d)
Hawk
121.
Which organism in this food chain is a secondary consumer?
a)
Fish
b)
Grass
c)
Grasshopper
d)
Hawk

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