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WorksheetsSpring Semester Test Review
Total questions: 50
Worksheet time: 48mins
According to Darwin’s theory of natural selection,
the individuals that tend to survive are those that
have
characteristics their parents acquired by use
and disuse.
characteristics that plant and animal breeders
value.
the greatest number of offspring.
variations best suited to the environment.
Scientists assign each kind of organism a univerally
accepted name in the system known as
traditional classification.
the three domains.
cladistics.
binomial nomenclature.
Which of the following characteristics of viruses
allow them to be classified as a non-living thing?
They lack the ability to reproduce
independently.
They use nucleic acids as their genetic code.
They have a membrane coated in proteins.
They contain amino acids in their structure.
Two heterozygous parents for a particular trait have a ____ % chance of producing offspring the exhibit the recessive phenotype.
0
25
50
75
Uncontrolled cell division causes _________ to occur.
cancer
malaria
frameshift mutations
point mutations
Which part of a nucleotide is most
responsible for carrying the information that
specifies the traits of an organism?
the phosphate group
the sugar
the nitrogenous base
none of the answers
What is the approximate probability that a human
offspring will be male?
10%
25%
50%
75%
A plant is a(an)
unicellular prokaryote.
multicellular prokaryote.
unicellular eukaryote.
multicellular eukaryote.
Similar genes are evidence of
binomial nomenclature.
mutations.
common ancestry.
different anatomy.
A strand of DNA is found to have the following
base sequence: ‘CCAGTTGAC’
Which of the following would be the base sequence
of its complementary DNA strand?
CCAGTTGAC
GGTCAACTG
UUCAGGAUG
TTCAGGATG
Which of the following best describes the
mechanism by which virus will reproduce?
Viruses will absorb the DNA of a host cell and
rearrange it to produce identical copies of
itself.
Viruses will absorb RNA from a host cell and
use it to replicate its own DNA.
Viruses will inject a host cell with DNA or
RNA and use the host cell to create identical
copies of itself.
Viruses will inject the host cell with a gamete
created by the process of viral meiosis.
How many chromosomes are in a normal human
body cell?
2
23
46
48
During the lytic infection, the host cell is
divided
copied
prepared for the lysogenic cycle
destroyed
Cellular respiration is called an aerobic process
because it requires
light
oxygen
glucose
carbon dioxide
True or False: Scientists have identified and named only a fraction of the species on Earth.
True
False
If a zygote receives an X-chromosome from the
mother and a Y-chromosome from the father, then
the offspring will ____________.
male
female
If a zygote receives an X-chromosome from the
mother and a X-chromosome from the father, then
the offspring will ____________.
male
female
If an organism’s diploid number is 14, its haploid
number is
14
28
7
6
All organisms in the kingdoms Protista, Plantae,
Fungi, and Animalia are
eukaryotes
prokaryotes
photosynthetic
multicellular
The first organisms on Earth were most like
today’s
bacteria.
eukaryotes.
multicellular organisms.
DNA molecules.
In rats, the gene for brown fur (B) is dominant over
the gene for white fur (b). Which set of genotypes
represents a cross of two brown rats that could
produce offspring with white fur?
BB x bb
Bb x bb
Bb x Bb
BB x Bb
Biologists use a classification system to group
organisms in part because organisms
are going extinct.
are very numerous and diverse.
are too much alike.
share too many derived characters.
Organisms, such as plants, that make their own
food are called
heterotrophs
autotrophs
consumers
decomposers
An organism that cannot make its own food is
called a(an)
heterotrophs
autotrophs
producer
decomposers
Organisms that obtain nutrients by breaking down
dead and decaying plants and animals are called
heterotrophs
autotrophs
producer
decomposers
Examples of fossils include preserved
eggs
footprints
body parts
all answers are correct
Hereditary traits are transmitted from one
generation to the next generation by means of
_______.
specific sequences of the nitrogenous bases in
DNA
specific sequences of carbohydrates in body
cells
specific sequences of the starches in DNA
specific sequences of the amino acids in DNA
Organisms that have two identical alleles for a
particular trait are said to be
hybrid
homozygous
heterozygous
dominant
An interaction in which one organism captures and
feeds on another organism is called
competetion
symbiosis
mutualism
predation
The endosymbiotic theory proposes that eukaryotic
cells arose from
individual prokaryotic cells.
multicellular prokaryotic cells.
communities formed by prokaryotes.
communities formed by eukaryotes.
