California Standards Test
Biology
Review!!!!!
A cell from heart muscle would
probably have an unusually high
proportion of
A.
B.
C.
D.
lysosomes.
mitochondria.
mRNA.
Golgi bodies.
Series of events that cells go through as
they divide and grow
A.
B.
C.
D.
Mitosis
Cell cycle
Cytokinesis
Cancer
The clear protein of an egg white
becomes opaque and firm when
cooked because the heat
A.
B.
C.
D.
mutates the DNA.
turns the protein into carbohydrates.
stops protein formation.
changes the protein structure.
Which of the following is NOT a
phase of mitosis?
A.
B.
C.
D.
Anaphase
Metaphase
Telophase
Interphase
If a corn plant has a genotype of Ttyy,
what are the possible genetic
combinations that could be present
in a single grain of pollen from this
plant?
A.
B.
C.
D.
Ty, ty
TY, ty
TY, Ty, ty
Ty, ty, tY, TY
What happens to the chromosome
number during meiosis?
A.
B.
C.
D.
It doubles.
It stays the same.
It halves.
It becomes diploid.
Smooth muscle is found in the
A.
B.
C.
D.
heart.
appendicular skeleton.
walls of blood vessels.
skeletal muscles.
A child has colorblindness. Which
genotype-phenotype combination is
NOT possible in the child's parents?
A.
B.
C.
D.
The father does not carry the allele and does
not have colorblindness.
The mother carries one allele but does not
have colorblindness.
The father carries one allele but does not
have colorblindness.
The father carries one allele and has
colorblindness.
During replication, which
sequence of nucleotides
would bond with the DNA
sequence TATGA?
A.
B.
C.
D.
TATGA
UAUGA
ATACT
AUAGA
Having two identical alleles
for a given gene
A.
B.
C.
D.
Phenotype
Hybrids
Genotype
Homozygous

Which of the following nucleotide(s)
bond(s) with adenine?
A.
thymine only
uracil only
cytosine and guanine
thymine and uracil
B.
C.
D.

All of the following are important roles
of the skeletal system EXCEPT
A.
protection of internal organs.
facilitation of movement.
storage of mineral reserves.
regulation of body temperature.
B.
C.
D.
Chromatids are attached to each
other at the
A.
B.
C.
D.
nucleus.
centriole.
centromere.
cell plate.
5' G T A _ _ _ A A 3'
3' C A T G C A T T 5'
This segment of DNA has undergone a
mutation in which three nucleotides have
been deleted. A repair enzyme would
replace them with
A.
B.
C.
D.
CGT.
GCA.
CTG.
GTA.

Which cell structures are sometimes
found attached to the endoplasmic
reticulum?
A.
Ribosomes
Mitochondria
Vacuoles
Nuclei
B.
C.
D.

Animals cells have all of the following
EXCEPT
A.
mitochondria.
chloroplasts.
a nucleus.
a cell membrane.
B.
C.
D.
After a volcanic eruption has covered
an area with lava, which of the
following is the most likely order of
succession in the repopulation of the
area?
A.
B.
C.
D.
lichens grasses shrubs trees
mosses grasses lichens trees
grasses trees mosses lichens
shrubs grasses trees lichens
Which molecule in plant cells first
captures the radiant energy
from sunlight?
A.
B.
C.
D.
glucose
carbon dioxide
chlorophyll
adenosine triphosphate

A farmer's use of the best livestock for
breeding is an example of
A.
natural selection.
artificial selection.
fitness.
common descent.
B.
C.
D.

Which of the following is NOT an
example of a density-dependent limiting
factor?
A.
B.
C.
D.
Natural disasters
Predators
Parasites
Competitors
Which is NOT an abiotic factor in an
ecosystem?
A.
B.
C.
D.
Microorganisms
Light
Temperature
rainfall
Two pink-flowering plants are crossed.
The offspring flower as follows: 25%
red, 25% white, 50% pink. What
pattern of inheritance does flower
color in these flowers follow?
A.
B.
C.
D.
dominance
multiple alleles
incomplete dominance
recessiveness
Which scientist formulated the theory of
evolution through natural selection?
A.
B.
C.
D.
Charles Darwin
James Hutton
Charles Lyell
Jean-Baptiste Lamarck

Number of individuals per unit area
A.
Limiting factor
Population Density
Carrying capacity
Exponential growth
B.
C.
D.

A group of individuals belonging to a
single species that lives together in a
defined area is termed a(an)
A.
B.
C.
D.
population.
ecosystem.
community.
biome.

Which one of the following is NOT an
organic molecule found in living
organisms?
A.
B.
C.
D.
protein
nucleic acid
carbohydrate
sodium chloride
RNA molecules are produced by copying
part of the nucleotide sequence of DNA
into a complementary sequence in RNA.
A.
B.
C.
D.
Mutation
Double helix
Protein synthesis
Transcription

Nucleotides consist of a phosphate
group, a nitrogenous base, and a
A.
fatty acid.
starch.
lipid.
5-carbon sugar.
B.
C.
D.
The principal pigment in plants that
captures sunlight energy is
A.
B.
C.
D.
chlorophyll.
oxygen.
ADP.
ATP.

Each of the following aids in the
process of digestion EXCEPT
A.
teeth.
kidney.
stomach.
small intestine.
B.
C.
D.

The main function of the digestive
system is to
A.
break down large, insoluble molecules
into smaller, soluble molecules.
excrete oxygen and carbon dioxide.
synthesize minerals and vitamins
needed for a healthy body.
add essential vitamins to blood.
B.
C.
D.

Which of the following is NOT a
characteristic of animals?
A.
the ability to make their own food
the ability to move
eukaryotic cells
cells that lack cell walls
B.
C.
D.
The process of decoding mRNA
into a polypeptide chain is
known as
A.
B.
C.
D.
transformation.
transpiration.
translation.
transcription.

Gap between two neurons
A.
Synapse
Myelin sheath
Cerebrum
Cerebellum
B.
C.
D.