Transcript EOCT Review

1 Which has specific markings
for measurement and is used to
accurately measure liquid
volume?
A.
B.
C.
D.
Test tube
Beakers
Ruler
Graduated cylinders
2

The mass of an object divided by its
volume, or stated another way, the
amount of matter packed into a given
space is it

a.
b.
c.
d.



density
volume
mass
weight
3

When trying to determine mass of a
heavy object, use
A.
B.
C.
D.
spring scale
a tripod
an analytical balance
a triple beam balance
4

The ability to draw from previous
knowledge and experience to make an
explanation is
A.
B.
C.
D.
a problem
inductive reasoning
a reasonable explanation
processing
5

Karen wants to win a blue ribbon at the fair this year for
the largest tomato plants. She would like to compare
two plant foods on her tomato plants to see if they really
make the plants grow larger.

Karen needs to design an experiment to see which plant
food works better. She has three of the same type of
tomato plants and they all receive the same amount of
sunlight, water and temperature. Karen adds plant food
A to plant A, she adds plant food B to plant B, and she
lets plant C grow without any plant food. She measures
the growth of the plants every week.

Plant C is considered which group?
a. the experimental group
c. the data group
b. the variable group
d. the control group
6

The scientific method is used as a
guideline to conduct experiments to
A.
B.
C.
D.
maintain objectivity
make it harder to do experiments
maintain subjectivity
stifle creativity
7

The following four statements are
headlines you read on various magazine
covers while standing in the checkout line
at the grocery store. Which one could be
researched using scientific
experimentation?
A. “Diamond is more beautiful than ruby”
B. “Metals are both helpful and harmful to the human
body”
C. “The earth was created in a miraculous event”
D. “Poetry is the most artistic type of literature”
8

The cell theory states that:
A. all living things are made of cells.
B. All cells come from other living cells of the
same kind.
C. Cells are the basic unit of all living things.
D. All of the above.
9

Cellular respiration releases what
three products?
A. oxygen, glucose, and energy
B. carbon dioxide, water, and energy
C. glucose, carbon dioxide, and oxygen
D. oxygen, water, and glucose
10
 Both
plant and animal cells have
a. Mitochondria for cellular respiration
b. A cell wall for protection
c. Centrioles used during mitosis
d. Chloroplasts for photosynthesis
11
 The
A.
B.
C.
D.
mitochondrion of a cell
has only one membrane
has no membrane
is circular
is where cellular respiration occurs
12
 The
movement of substances into and
out of a cell without the use of energy
is called
A.
B.
C.
D.
active transport
passive transport
exocytosis
endocytosis
13
 In
order to be classified as living, an
organism must have:
A. a heart and lungs
B. the ability to nourish itself, grow, and
reproduce
C. the ability to photosynthesize and to
eliminate waste products
D. a true nucleus and nuclear membrane
14
 Two
structures found in plant cells that
are not found in animal cells are the
A.
B.
C.
D.
mitochondria and ribosomes
cell wall and plastids
cell membrane and centrioles
nucleolus and endoplasmic reticulum
15

When more water goes in through a
cell membrane than out of it, the
solution around the membrane is
a. isotonic
b. hypotonic
c. permeable
d. hypertonic
16
 Complex
carbohydrates break down
into
A.
B.
C.
D.
enzymes
amino acids
simple sugars
ATP
17

Which proteins in the cell speed up
chemical reactions?
A.
B.
C.
D.
lipids
DNA
Enzymes
Glucose
18
 Which
plant organelle is the site of
photosynthesis?
a.
b.
c.
d.
Chloroplast
centriole
cell wall
mitochondria
19
 The
three things that plants must have
to photosynthesize are:
a. glucose, water, and oxygen
b. water, carbon dioxide, and glucose
c. oxygen, carbon dioxide, and sunlight
d. water, carbon dioxide, and sunlight
20
 The
replication of DNA occurs
a. During telophase
b. during interphase
c. during prophase of mitosis
d. during prophase of meisois
21
 The
chemical energy supply for all living
cells is contained in a molecule that, when
broken down, releases the energy so that
it may be used for activities such as
muscle contractions, photosynthesis, and
locomotion. The molecule that is a
storehouse of energy is
a.DNA
b.RNA
c. ATP
d. ADP
22
 In
mice, brown hair is dominant to white.
Cross a heterozygous female with a
heterozygous male. The genotypic
ration will yield
a. 3:1
b. 1:2:1
c. 100% brown hair
d. 100% white hair
23
 Chromosomes
line up on spindles in
the center of a cell during
a.
b.
c.
d.
anaphase
telephase
metaphase
prophase
24
 Mitosis
a.
b.
c.
d.
generates
daughter cell identical to the mother cell
many reproductive cells
diseased cells
gametes
25
 Meiosis
a.
b.
c.
d.
is a type of cell division that
leads to genetic mutation
causes deformity
is necessary for sexual reproduction
causes alleles to deform
26

The molecule that transports the code
of information from DNA to the
ribosome is
a. tRNA
b. rRNA
c. mRNA
d. An amino acid
27

A mother homozygous dominant for the
presence of freckles and father
heterozygous for freckles have a child.
What is the chance that the child will be
homozygous recessive for freckles?
a. 0%
b. 25%
c. 50%
d. 75%
28
 Mitosis
occurs
a. only in gamete cells
b. in somatic cells
c. only when an organism makes repairs to
cells
d. as part of active transport
29
 Some
forms if a gene or trait masks the
expression of other forms. This
statement summarizes the principal of
a.
b.
c.
d.
segregation
dominance
independent assortment
true breeders
30
 The
organelle of eukaryotic cells that
contains the genetic information is the
a.
b.
c.
d.
endoplasmic reticulum
chloroplast
nucleus
cell membrane
31

Prokaryotic cells differ from eukaryotic cells
in that
a. prokaryotic cells are living and eukaryotic cells
are non living
b. Prokaryotic cells lack a true nucleus and
membrane bound organelles
c. Prokaryotic cells are much larger than
eukaryotic cells
d. prokaryotic cells require oxygen and eukaryotic
cells do not
32
A
cat’s phenotype can be determined
by
a.
b.
c.
d.
looking at the cat’s mother
looking at the cat’s DNA
looking at the cat’s father
looking at the cat
33
A
mutation in which a single base is
added or deleted from DNA is called
a.
b.
c.
d.
frame shift mutation
point mutation
translocation
non disjunction
34

A child is diagnosed with a rare genetic disorder.
Neither parent has the disease. How might the child
have inherited the disorder?
a. the disorder is dominant and was carried by a parent
b. the disorder is recessive and carried by both parents
c. the disorder is sex-linked and inherited only from the
father
d. the disorder could only occur as a mutation in the child
since neither parent has the disease.
35
 Many
chromosome mutations results
when chromosomes fail to separate
properly during
a.
b.
c.
d.
Mitosis
Meiosis
cross-over
linkage
36

How are enzymes able to speed up
biochemical reactions?
A. They provide energy to the reactants
B. They absorb energy from the products
C. They lower the activation energy of the
reaction
D. They increase the number of available
reactant particles
37
Which of the following is a biotic factor in
an ecosystem?
A.
B.
C.
D.
Sunlight
Soil
Water
Bacteria
38

Which of the following is an example of
commensalism between two organisms?
A. Ants feed on the sugary fluid released by aphids that
are feeding on plants, and the aphids are protected by
the ants from other insects.
B. A hummingbird feeds on the nectar of a certain species
of flowering plant and, while doing so, spreads pollen
from one flower to the next.
C. A remora attaches itself to a shark without harming the
shark and eats food scraps left by the shark.
D. A fungus infects a potato plant and, over time, kills the
plant and then feeds off the dead tissue.
39

After an extensive workout, athletes will
often feel soreness due to a buildup of
lactic acid in the muscle tissue that occurs
when the body is deprived of adequate
oxygen. What is this process called?
A. Aerobic respiration
B. Anaerobic respiration
c. Photosynthesis
d. Krebs Cycle
40

A new antibiotic developed to treat bronchitis has become
widely prescribed by doctors to patients with lung infections.
Over time, the number of patients seen with bronchitis
declined. However, the number of patients with a rare form
of the bacteria that causes the infection began to rise.
Which of the following is MOST likely true about this strain
of bacteria?
A. The surviving strain has learned how to become resistant
to the antibiotic
B. He drug company that developed the antibiotic did not
test it correctly
C. There was genetic variability in the bacteria population
before the antibiotic was used
D. The bacteria got used to the antibiotic and have learned
to live it
41

Which of the following kingdoms does
not contain any unicellular
organisms?
A.
B.
C.
D.
Protista
Bacteria
Plantae
Fungi
42

Which of the following represents
how genetic information is
transformed into a protein?
A.
B.
C.
D.
DNA  protein  RNA
Protein  RNA  DNA
RNA  protein  DNA
DNA  RNA  protein
43
What is one of the eventual
consequences of natural selection?
A. Removal of traits with negative effects on a
species’ survival
B. Addition of traits needed by an organism to
survive
C. Perfection of a species
D. Removal of all mutations in the population
44

A volcanic eruption creates new land
in the form of volcanic rock. Which
type or organism would most likely be
found to inhabit the area first?
A. Chipmunks
B. Moose
c. Lichens
d. Grasses
45

Similar organisms that can interbreed
and produce fertile offspring in a
natural environment make up a(n)
A.
B.
C.
D.
Species
Population
Community
Ecosystem