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Finals Review Quiz
Finals Review Quiz
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Answers
1
DNA replication occurs during the S phase of mitosis
False
True
2
What causes cancer?
all of the above
carcinogens
mutations
genetics
3
Which of the following statements about ocean zones is NOT true?
Organisms in the intertidal zone are adapted to both wet and dry conditions
The oceanic zone (open ocean) is totally aphotic.
The benthic zone is the bottom of the ocean floor.
The neritic zone is from low tide to the edge of the continental shelf
4
Which of the following is NOT true of DNA and RNA?
Both have nitrogen bases
DNA is a double strand and RNA is a single strand
RNA has phosphate groups and DNA does not
RNA has uracil and DNA has thymine
5
What kind of reproduction is meiosis?
sexual
asexual
binary fission
6
The genotype of an organism is inherited and stored in the _______ molecule.
Ribosomal
Chromosome
RNA
DNA
7
The type of mutation that occurs due to exposure to mutagens is induced
False
True
8
Which of the following is NOT a protein?
Antibody
Enzyme
Phospholipid
Keratin
9
The type of mutation that occurs due to errors in meiosis or DNA replication is
Translocation
Chromosomal
Spontaneous
Induced
10
For each gene, offspring inherit one allele(s) from each parent.
True
False
11
Which of the following is NOT matched correctly?
Crossing over: exchange of genetic material between homologous chromosomes
Barr body: an inactive X chromosome in female mammals
Karyotype: a family tree that traces a trait through a family
Down’s syndrome: trisomy 21
12
A female has these sex chromosomes
XX
XXY
XO
XY
13
Song birds and owls competing for nesting space in a tree is an example of intraspecific competition.
False
True
14
Which of the following is NOT an example of a limiting factor?
Shortage of water
Increase in birth rate
Lack of food
diseases
15
At different latitudes the sun’s energy strikes Earth
at a different angle
only during part of the year
at the same angle
only at night
16
Movement of indivduals into and out of an area is caled ________.
Immigration
Emmigration
Migration
Leaving
17
Which of the following is NOT a sampling technique used by ecologists?
indirect counting
mark-recapture
calculating
quadrats
18
Organisms that hunt together and/or help defend each other from predators will probably show a _ distribution pattern.
uniform
None of these
random
clumped
19
A haploid cell has
triple the number of chromsomes
half the number of chromosomes
twice the number of chromosomes
a pair of each of the chromosomes
20
The pea plants RRYY and rryy are crossed. Which of the following statements about this cross is NOT correct?
results of the F2 cross demonstrate the Principle of Independent Assortment
The phenotypic ratio of the F2 generation is 9:3:3:1.
The F2 cross is called a test cross.
The F1 generation will be 100% RrYy.
21
Which of the following lists the structures in order from simplest to most complex?
amino acids, protein, polypeptide
amino acids, polypeptide, protein
polypeptide, protein, amino acids
22
What kind of reproduction is mitosis?
asexual
sexual
binary fission
23
When one gene pair effects the expression of another gene pair, this is known as
Multiple alleles
Epistatic
polygenic inheritance
Dominant
24
Alternative forms of genes are called ____
traits
gametes
alleles
genotypes
25
The trait that is observed in an individual is referred to as genotype.
True
False
26
Density-___________ limiting factors affect all populations, regardless of the population size.
Depedent
driven
oriented
Independent
27
The correct terminology for the genotype gg is ________
Homozygous Recessive
Heterozygous
little g little g
Homozygous Dominant
28
Rivers and streams are
standing water ecosystems
flowing water ecosystems
estuaries
wetlands
29
If axial flowers are dominant over terminal, what does the letter “a” represent?
axial allele
dominant allele
gene for flower position
recessive allele
30
Which of the following is NOT shown on (or able to be predicted from) an age structure graph?
the number of males and females
the number of people expected to immigrate
whether the population is likely to increase or decrease in the future
how many people are in each age range
31
The first species to colonize a new area are called primary species.
True
False
32
An S-shaped population graph shows slow growth.
False
True
33
When a plant with the genotype Pp produces gametes, 75% of them will carry the P allele.
False
True
34
Which phase of meiosis is this?
Prophase I
Anaphase I
Prophase II
Anaphase II
35
When environmental factors limit a population’s growth rate, a population will reach its carrying capacity.
True
False
36
Name the phase
Anaphase
Metaphase
Prophase
Telophase
37
Which of the following includes both biotic and abiotic factors?
individual organisms
communities
ecosystems
populations
38
When an amoeba lives in the intestines of a human causing an illness, the amoeba is referred to as a ______.
Host
Parasite
Community
Symbiotic Relationship
39
The DNA backbone is composed of alternating sugars & _______ groups
Nitrogen
Covalent
Ribose
Phosphate
40
What are separating in this picture?
homologous chromosomes
DNA
sister chromsomes
sister chromatids
41
Which of the following statements about DNA replication is NOT true?
Replication proceeds in both directions
Two identical daughter molecules are produced
Process begins at replication bubbles
Each daughter molecule contains one parent strand
42
A group of the same species living in an area is a _____
Group
Clan
Population
Community
43
The trait that is hidden in a heterozygous individual is weak.
True
False
44
How many chromosomes do humans have?
1 Million
18
20
46
45
Which of the following events does NOT occur during translation?
Exons are removed
polypeptides are formed
The anticodon base pairs to the codon
mRNA transcript is held in place at the ribosome
46
What does a cell spend most of its time doing?
mitosis
everything but replicating
chilling
meiosis
47
Why do cells do Mitosis?
All of the above
To repair the organism
To stay small
To replace dead cells
48
Population growth that may occur when resources are unlimited is called ______
Rapid
Logisic
Exponential
Ecological
49
Mitosis happens in
Germ cells
Sperm cells
Gametes
Somatic cells
50
Which of the following is NOT part of an organism's niche?
food sources
climate
active time of day
habitat
51
What are chromosomes?
genetic material
all of the above
coiled up DNA
chromatin
52
Section of DNA that codes for a protein or part of a protein
mRNA
Gene
Nucleotide
Genotype
53
What is the monomer of DNA?
Phosphate groups
Nucleotides
Nitrogen bases
RNA
54
Another term for hybrid is homozygous.
True
False
55
The scientist who applied an experimental approach to studying heredity in pea plants was _______
Albert Einstein
Carl Sagan
Mr. Daniels
Gregor Mendel
56
Which of the following situations would be least likely to happen as a result of a skin cell mutation?
The individual’s children will have the mutation
Skin cell no longer functions properly
Skin cancer
Skin cell is not adversely affected
57
Mendel’s Principle of _ state that the two alleles for a trait separate from one another during the formation of gametes
Segregation
Independent Assortment
Inheritence
Genetics
58
Cancer is
sped up mitosis
slowed down mitosis
slowed down meiosis
sped up meiosis
59
Which of the following is NOT likely to be a limiting factor for a sea otter population?
Disease
food
Drought
hunting
60
Non-coding region of DNA
Nitrogen base
Exons
Introns
Gene
61
Which of the following statements about permafrost is NOT true?
it is found in the tundra
it is an important water source for animals when it melts
it is a layer of permanently frozen soil
it prevents large plants and trees from growing
62
A symbiotic relationship between organisms in which one species benefits and the other is harmed commensalism.
True
False
63
Both immigration and increased death rate can increase population size.
True
False
64
The offspring produced by the parental or P generation is referred to the ______ generation.
P2
Boomer
First
F1
65
The competitive exclusion principle states that two species cannot occupy the same niche at the same time
False
True
66
What phase will happen next?
Prophase
Telophase
Metaphase
Anaphase
67
A diagram that shows all the possible outcomes of a cross is called a ____
Test Cross
Dihybrid cross
Dave
Punnett Square
68
An ecosystem in which fresh and saltwater mix is a(n)
neritic zone
pond
Coral reef
estuary
69
The sugar in DNA is ribose
False
True
70
Homologous chromosomes are
the same as sister chromatids
a made up term
exact duplicates of each other
chromosomes that carry the same information
71
Crossing over occurs in
Prophase II of Meiosis
Prophase of Mitosis
Metaphase of Mitosis
Prophase I of Meiosis
72
Bogs are freshwater ecosystems that support
other larger ecosystems
mosses and small shrubs
reeds and grasses
large tree
73
Name the phase
Telophase
Anaphase
Prophase
Metaphase
74
The relationship between a flower and the insect that feeds on its nectar is an example of mutualism.
True
False
75
The way in which members of a population are spaced in their area is referred to as population ____.
Density
count
Distribution
Pattern
76
The genotype of an individual with a dominant phenotype can be determined with a ______
Punnett Square
Dihybrid Cross
Blood test
Test Cross
77
A disease resulting in the deaths of one-third of a dense population of rabbits on an island would likely be a ______
density-dependent factor
result of habitat destruction
result of exponential growth
density-independent factor
78
Chromosomes move to the poles during
prophase
metaphase
telophase
anaphase
79
A snail population study might be performed using a portable frame called a quadrat.
False
True
80
The phase of the cell cycle where chromosomes are replicated is
G2
G1
S
M
81
If the two alleles for a trait are the same, the genotype is referred to as homozygous.
False
True
82
What is a change in one base in the DNA sequence leads to a different codon, but still codes for the same amino acid?
Base deletion
Silent mutation
Translation
Frameshift
83
What blood types are possible in the children of a man who is heterozygous for type A, and a woman who is type O?
Type A only
A and O only
Type O only
A, AB, and O
84
Division of the cytoplasm is
mitosis
meiosis
telokinesis
cytokinesis
85
The order of nitrogen bases in DNA determines the order of ________ in proteins.
Amino acids
sugars
Bonds
polypeptides
86
What is the main reason that Earth has three main climate zones?
Warm air rises at the equator and cold air sinks over the poles
Continents physically interfere with global heat distribution.
Differences in latitude and, thus, the angle of heating from the sun
Earth rotates and affects the major ocean currents.
87
A plant that is heterozygous for flower and pod color can produce gametes with the following allele combinations EXCEPT
pG
Pp
PG
Pg
88
A Labrador Retriever has the genotype EEBb. Which of the following statements about this dog is NOT true?
The parents of this dog are either black or chocolate
This dog could be the parent of chocolate puppies
This dog is black
thsi dog could be a prent of yellow puppies
89
The term for the trait that shows in a heterozygous individual is ____
Weak
Strong
Recessive
Dominant
90
If two heterozygous purple-flowered pea plants are crossed, 75% of the offspring are expected to be purple.
False
True
91
Climate conditions in a small area that differ significantly from the climate of the surrounding area are called
microclimates
ecosystems
biomes
Natural features
92
A community in which the number and types of species remains relatively stable is said to be at equilibrium.
True
False
93
The type of interaction in which one species eats another is _____.
Parasitism
Symbiosis
Predation
Competition
94
If there are 50 alligators in a swamp that measures 10 square kilometers, what is the alligators’ population density?
50 alligators/km2
10 alligators/km2
5 alligators/km2
b. 5 alligators
95
Process in which DNA makes a copy of itself
Introns
Protein Synthesis
Transcription
Replication
96
When a plant with the genotype Pp produces gametes, 75% of them will carry the P allele.
False
True
97
Which of the following statements about chromosome accidents is NOT true?
Sections of chromosomes are sometimes duplicated, deleted or inverted
Translocation is when pieces of non-homologous chromosomes trade places
Nondisjunction can lead to an extra or a missing chromosome in gametes
Failure of chromosomes to separate only occurs in meiosis II
98
Severe weather, forest fires, and introduced species are community disturbances that may lead to primary succession.
True
False
99
If 3 out of 4 pea plants are expected to be purple, the phenotypic ratio is 3:4.
False
True
100
A picture of a person's chromosomes is called
snap shot
karyotype
histogram
meiosis
