Biology 1 - The Life Sciences » 2019 » Final Exam
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Question #1
Many viruses are inhibited by antibiotics
A.
FALSE
B.
TRUE
Question #2
Down Syndrome results from an extra chromosome 21
A.
FALSE
B.
TRUE
Question #3
A portion of DNA that encodes a specific protein is
A.
a centromere
B.
a chromosome
C.
a chromatid
D.
a gene
Question #4
What combination of characteristics do all animals share?
A.
multicellular, eukaryotic, heterotrophic
B.
multicellular, eukaryotic, autotrophic
C.
multicellular, prokaryotic, autotrophic
D.
unicellular, eukaryotic, heterotrophic
Question #5
What name is given to the membranous sacs found within a chloroplast?
A.
Cristae
B.
Stroma
C.
Thylakoids
D.
Reaction centers
Question #6
If you are suffering with pancreatitis, what organ system is in pain?
A.
Circulatory
B.
Endocrine
C.
Digestive
D.
Lymphatic
Question #7
The three component parts of an atom are the ____________, which carries a positive charge; the ____________, which carries no charge; and the _____________, which carries a negative charge
A.
electron, neutron, proton
B.
neutron, electron, isotope
C.
proton, neutron, electron
D.
proton, neutron, isotope
Question #8
Darwin's theory of natural selection requires that populations must limit their reproduction to only two offspring.
A.
FALSE
B.
TRUE
Question #9
All mutations are harmful
A.
FALSE
B.
TRUE
Question #10
The lower the pH of solution, the less acidic the solution
A.
TRUE
B.
FALSE
Question #11
How many codons are in the mRNA sequence GGAAUGAAACAGGAACCC?
A.
6
B.
3
C.
18
D.
0
Question #12
Those species that are central to the stability of a community are called ________
A.
keystone species
B.
r-selected species
C.
herbivores
D.
dominant species
Question #13
Animals are capable of sexual, but NOT asexual, reproduction
A.
FALSE
B.
TRUE
Question #14
The Hardy-Weinberg Principle is a means to detect the evidence of __________.
A.
natural selection
B.
mutation
C.
speciation
D.
evolution
Question #15
Which of the following is an adaptation to increase the surface area of a part of a cell that is involved in cellular respiration?
A.
the outer membrane of a chloroplast
B.
the cristae of mitochondria
C.
the grana of a chloroplast
D.
the endoplasmic reticulum
Question #16
All mutations involve some kind of change in the genetic code.
A.
TRUE
B.
FALSE
Question #17
Alleles are described as
A.
alternate versions of a gene
B.
alternate versions of phenotypes
C.
homologous chromosomes
D.
environmental factors that affect gene expression
Question #18
In Transcription, DNA is copied to produce
A.
transfer RNA
B.
RNA polymerase
C.
messenger RNA
D.
a ribosome
Question #19
The light reactions of photosynthesis produce
A.
NADPH
B.
ATP
C.
ATP, NADPH, and glucose
D.
ATP and NADPH
E.
Glucose
Question #20
You are a mammal in the Phylum Chordata in the Kingdom Animalia.
A.
FALSE
B.
TRUE
Question #21
Cancer is believed to be associated with a failure of the cell cycle.
A.
FALSE
B.
TRUE
Question #22
The double helix of DNA is composed of building blocks called
A.
phospholipids
B.
nucleotides
C.
amino acids
D.
disaccharides
E.
monosaccharides
Question #23
The Earth is 4.6 billion years old.
A.
FALSE
B.
TRUE
Question #24
The primary structural component of a cell membrane is
A.
a sugar molecule attached to a protein
B.
a phospholipid molecule
C.
a cholesterol molecule
D.
a protein molecule
E.
an enzyme
Question #25
Which of the following trophic levels has the lowest energy content and biomass?
A.
top carnivores
B.
detritivores
C.
primary consumers
D.
producers
Question #26
Diploid means having
A.
two chromosomes in each gamete.
B.
one complete set of chromosomes.
C.
two complete sets of chromosomes.
D.
two chromosomes in each somatic cell.
E.
three complete sets of chromosomes.
Question #27
Which of the following is the correct order of the three stages of aerobic respiration?
A.
electron transport, glycolysis, krebs cycle
B.
electron transport chain, krebs cycle, glycolysis
C.
krebs cycle, glycolysis, electron transport
D.
glycolysis, krebs cycle, electron transport chain
Question #28
The terms 'anatomy' and 'physiology' have the same meaning.
A.
FALSE
B.
TRUE
Question #29
Exponential growth is sometimes referred to as the 'J' curve.
A.
FALSE
B.
TRUE
Question #30
What is the main function of DNA?
A.
to speed up cell reactions
B.
to provide structural support to the cell
C.
to encode proteins
D.
to produce ATP
E.
All of the above
Question #31
Multicellular autotrophs are found in the Domain
A.
Prokarya
B.
Eukarya
C.
Archaea
D.
Bacteria
Question #32
Homologous chromosomes are matched in
A.
centromere position
B.
gene locations
C.
length
D.
all of the above
Question #33
In Translation, what does the translating?
A.
the ribosome
B.
the amino acids
C.
the transfer RNA
D.
RNA polymerase
Question #34
Which of the following would a clumped population dispersion pattern?
A.
earthworms in the soil of a garden
B.
a pod of 40 migrating whales
C.
a field of wildflowers
D.
oak trees planted on city streets
Question #35
Which type of tissue includes blood?
A.
Nervous tissue
B.
Epithelial tissue
C.
Muscle tissue
D.
Connective tissue
Question #36
Bacteria go through a form of cell division called _____________.
A.
binary fusion
B.
Cytokinesis
C.
binary fission
D.
None of the above
Question #37
Which of the following is an example of a density-independent factor?
A.
a disease on wheat plants in a wheat field
B.
a plant parasite, such as mistletoe
C.
cold weather causing seedlings in a field to freeze
D.
a specialist searching for a particular type of plant that is its food source
Question #38
Which of the following is an example of homeostasis?
A.
eating and using energy from food
B.
evolving rapidly
C.
reproducing a great number of offspring
D.
regulating your body's water water balance (with help from your kidneys!)
Question #39
Which of the following is the proper way to write a scientific name?
A.
HOMO sapiens
B.
Homo Sapiens
C.
homo sapiens
D.
Homo sapiens
Question #40
More than any other, the one word that captures the meaning of evolution is _______
A.
change
B.
adaptation
C.
mutation
D.
species
Question #41
Which of the following reproductive isolating mechanisms is an example of a 'lock and key' constraint (for example, mating organs or pollinators are incompatible)?
A.
mechanical isolation
B.
ecological barrier
C.
gametic isolation
D.
hybrid sterility
Question #42
The energy currency of cells is
A.
ADP
B.
glucose
C.
NaCl
D.
ATP
E.
NADP
Question #43
The study of fossils remains or other clues to past life is called
A.
Evolutionist
B.
Fossilology
C.
Macroecology
D.
Paleontology
Question #44
K-selected species (aka equilibrium species) provide very much parental care for their young.
A.
FALSE
B.
TRUE
Question #45
The cells of the nervous system are called neurons
A.
TRUE
B.
FALSE
Question #46
How does the carbon dioxide that is needed in photosynthesis get inside the plant?
A.
Through the roots
B.
Right through the skin or epidermis of the plant
C.
You can't fool me, plants don't use carbon dioxide in photosynthesis
D.
Through the stomatal pores on the leaf
Question #47
Which of the following is the most abundant pigments used to absorb light in plants?
A.
chlorophyll b
B.
chlorophyll a
C.
chlorophyll c
D.
carotenoids
Question #48
Which level of ecological organization includes both the living and nonliving components of a functional system?
A.
Ecosystem
B.
Community
C.
Population
D.
Organism
Question #49
During a study session about evolution, one of your fellow students remarks, "The giraffe stretched its neck while reaching for higher leaves; its offspring inherited longer necks as a result." Which statement is most likely to be helpful in correcting this student's misconception?
A.
If the giraffes did not have to compete with each other, longer necks would not have been passed on to the next generation.
B.
Spontaneous mutations can result in the appearance of new traits.
C.
Disuse of an organ may lead to its eventual disappearance.
D.
Characteristics acquired during an organism's life are generally not passed on through genes.
Question #50
In an ecological energy pyramid, an animal that eats an animal that eats an animal that eats plants would be called a ________.
A.
tertiary consumer
B.
quarternary consumer
C.
secondary consumer
D.
primary consumer
Question #51
Humans are based on _______ pairs of chromosomes.
A.
millions of
B.
92
C.
46
D.
2
E.
23
Question #52
Choose ALL of the following organisms that would be classified as autotrophs.
A.
A bald eagle
B.
A mushroom
C.
A daisy
D.
A redwood tree
E.
A bacterium that lives in your gut
F.
A daisy, Seaweed (i.e. green algae), A redwood tree
Question #53
In terms of impacts on the phenotype, most mutations are ________.
A.
deleterious
B.
lethal
C.
beneficial
D.
neutral
Question #54
A major difference between eukaryotes and prokaryotes is that prokaryotes
A.
are autotrophs and other organisms are not
B.
have cell walls and other organisms do not
C.
have a nucleus in their cells and other organisms do not.
D.
do not have a nucleus in their cells and other organisms do
Question #55
A ball at the top of a hill is an example of______ and a ball rolling down the hill is an example of ______.
A.
exergonic reaction; endergonic reaction
B.
kinetic energy; potential energy
C.
potential energy; kinetic energy
D.
noncompetitive inhibition; competitive inhibition
Question #56
r-selected species tend to _________
A.
be large
B.
be opportunists
C.
provide lots of parental care
D.
produce large young
Question #57
Plants perform photosynthesis but not cellular respiration.
A.
TRUE
B.
FALSE
Question #58
All types of muscle are voluntary.
A.
TRUE
B.
FALSE
Question #59
A population is a
A.
sum of all individuals of a species in all locations
B.
group of individuals of several interacting species that live in one area
C.
group of individuals of a single species that live and interact in one area
D.
group of individuals of several interacting species that interact in multiple ecosystems
Question #60
Who almost beat Darwin in developing a theory of Natural Selection?
A.
Lamark
B.
Mendel
C.
Lyell
D.
Wallace
Question #61
The end game of natural selection is
A.
extinction
B.
fitness
C.
speciation
D.
genetic drift
Question #62
NADPH is one kind of molecule known as an 'electron carrier molecule'.
A.
FALSE
B.
TRUE
Question #63
The biological concept of species is based on idea of
A.
reproductive isolation
B.
ecological isolation
C.
geographic isolation
D.
None of the above
Question #64
Species evenness is a measure of the total number of species occupying a habitat
A.
TRUE
B.
FALSE
Question #65
All organisms reproduce, transmitting DNA from one generation to the next.
A.
FALSE
B.
TRUE
Question #66
Meiosis is a process that produces
A.
haploid cells
B.
egg cells
C.
gametes
D.
sperm cells
E.
all of the above
Question #67
During cytokinesis of a plant cell, the cell divides by forming a cleavage furrow.
A.
FALSE
B.
TRUE
Question #68
Water's unique chemistry makes life on earth possible. Which of the following does NOT accurately describe the chemistry of water?,,
A.
Water is a great solvent
B.
Water has a high specific heat and so regulates temperature
C.
Water has a low degree of cohesion
D.
Water is less dense as a solid (which is why ice floats)
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