Biology 1 - The Life Sciences » 2019 » Final Exam

Need help with your exam preparation?

Question #1
Many viruses are inhibited by antibiotics
A.   TRUE
B.   FALSE
Question #2
Down Syndrome results from an extra chromosome 21
A.   TRUE
B.   FALSE
Question #3
A portion of DNA that encodes a specific protein is  
A.   a chromosome
B.   a gene
C.   a centromere
D.   a chromatid
Question #4
What combination of characteristics do all animals share?
A.     multicellular, eukaryotic, autotrophic
B.    multicellular, eukaryotic, heterotrophic
C.     multicellular, prokaryotic, autotrophic
D.    unicellular, eukaryotic, heterotrophic
Question #5
What name is given to the membranous sacs found within a chloroplast?
A.   Thylakoids
B.   Stroma 
C.   Cristae
D.   Reaction centers
Question #6
If you are suffering with pancreatitis, what organ system is in pain?
A.   Endocrine
B.   Lymphatic
C.   Digestive
D.   Circulatory
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.   neutron, electron, isotope
B.   proton, neutron, electron
C.   electron, neutron, proton
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.   TRUE
B.   FALSE
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.   0
C.   18
D.   3
Question #12
Those species that are central to the stability of a community are called ________
A.   r-selected species
B.   keystone species
C.   dominant species
D.   herbivores
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.   evolution
B.   speciation
C.   mutation
D.   natural selection
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 endoplasmic reticulum
B.   the grana of a chloroplast
C.   the cristae of mitochondria
D.   the outer membrane of a chloroplast
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 phenotypes
B.   alternate versions of a gene
C.   environmental factors that affect gene expression
D.   homologous chromosomes
Question #18
In Transcription, DNA is copied to produce
A.   transfer RNA
B.   messenger RNA
C.   a ribosome
D.   RNA polymerase
Question #19
The light reactions of photosynthesis produce
A.   ATP and NADPH
B.   ATP, NADPH, and glucose
C.   Glucose
D.   NADPH
E.   ATP 
Question #20
You are a mammal in the Phylum Chordata in the Kingdom Animalia. 
A.   TRUE
B.   FALSE
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.   amino acids
C.   disaccharides
D.   nucleotides
E.   monosaccharides
Question #23
The Earth is 4.6 billion years old.
A.   TRUE
B.   FALSE
Question #24
The primary structural component of a cell membrane is
A.   a sugar molecule attached to a protein
B.   a cholesterol molecule
C.   a phospholipid molecule
D.   an enzyme
E.   a protein molecule
Question #25
Which of the following trophic levels has the lowest energy content and biomass?
A.   top carnivores
B.   primary consumers
C.   producers
D.   detritivores
Question #26
Diploid means having
A.   one complete set of chromosomes. 
B.   two chromosomes in each gamete.
C.   three complete sets of chromosomes.
D.   two chromosomes in each somatic cell. 
E.   two 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.   krebs cycle, glycolysis, electron transport  
C.   glycolysis, krebs cycle, electron transport chain
D.   electron transport chain, krebs cycle, glycolysis 
Question #28
The terms 'anatomy' and 'physiology' have the same meaning.
A.   TRUE
B.   FALSE
Question #29
Exponential growth is sometimes referred to as the 'J' curve.
A.   TRUE
B.   FALSE
Question #30
What is the main function of DNA?
A.   to provide structural support to the cell
B.   to produce ATP
C.   to encode proteins
D.   to speed up cell reactions
E.   All of the above
Question #31
Multicellular autotrophs are found in the Domain
A.   Eukarya
B.   Prokarya
C.   Bacteria
D.   Archaea
Question #32
Homologous chromosomes are matched in
A.   gene locations
B.   centromere position
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.   a field of wildflowers
B.   earthworms in the soil of a garden
C.   a pod of 40 migrating whales
D.   oak trees planted on city streets
Question #35
Which type of tissue includes blood?
A.   Muscle tissue
B.   Nervous tissue
C.   Epithelial 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 plant parasite, such as mistletoe
B.   cold weather causing seedlings in a field to freeze
C.   a disease on wheat plants in a wheat field
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.   reproducing a great number of offspring
B.   eating and using energy from food
C.   evolving rapidly
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.   species
B.   mutation
C.   adaptation
D.   change
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.   hybrid sterility
D.   gametic isolation
Question #42
The energy currency of cells is
A.   NaCl
B.   ATP
C.   ADP
D.   NADP
E.   glucose 
Question #43
The study of fossils remains or other clues to past life is called
A.   Paleontology
B.   Evolutionist
C.   Macroecology
D.   Fossilology
Question #44
K-selected species (aka equilibrium species) provide very much parental care for their young.
A.   TRUE
B.   FALSE
Question #45
The cells of the nervous system are called neurons
A.   FALSE
B.   TRUE
Question #46
How does the carbon dioxide that is needed in photosynthesis get inside the plant?
A.   Through the stomatal pores on the leaf
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 roots
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.   Population
B.   Organism
C.   Community
D.   Ecosystem
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.     Characteristics acquired during an organism's life are generally not passed on through genes.
B.    If the giraffes did not have to compete with each other, longer necks would not have been passed on to the next generation.
C.    Disuse of an organ may lead to its eventual disappearance.
D.    Spontaneous mutations can result in the appearance of new traits.
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.   quarternary consumer
B.   tertiary consumer
C.   secondary consumer
D.   primary consumer
Question #51
Humans are based on _______ pairs of chromosomes.
A.   millions of
B.   46
C.   2
D.   23
E.   92
Question #52
Choose ALL of the following organisms that would be classified as autotrophs.
A.   A bacterium that lives in your gut
B.   A redwood tree
C.   A bald eagle
D.   A daisy, Seaweed (i.e. green algae), A redwood tree
E.   A daisy
F.   A mushroom
Question #53
In terms of impacts on the phenotype, most mutations are ________.
A.   beneficial
B.   neutral
C.   deleterious
D.   lethal
Question #54
A major difference between eukaryotes and prokaryotes is that prokaryotes
A.   do not have a nucleus in their cells and other organisms do
B.   are autotrophs and other organisms are not
C.   have cell walls and other organisms do not
D.   have a nucleus in their cells and other organisms do not.
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.   potential energy; kinetic energy 
B.   kinetic energy; potential energy 
C.   exergonic reaction; endergonic reaction
D.   noncompetitive inhibition; competitive inhibition
Question #56
r-selected species tend to _________
A.   be large
B.   produce large young
C.   be opportunists
D.   provide lots of parental care
Question #57
Plants perform photosynthesis but not cellular respiration.
A.   FALSE
B.   TRUE
Question #58
All types of muscle are voluntary.
A.   TRUE
B.   FALSE
Question #59
A population is a
A.   group of individuals of several interacting species that live in one area
B.   group of individuals of several interacting species that interact in multiple ecosystems
C.   group of individuals of a single species that live and interact in one area
D.   sum of all individuals of a species in all locations
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.   speciation
C.   genetic drift
D.   fitness
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.   geographic isolation
B.   ecological isolation
C.   reproductive 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.   TRUE
B.   FALSE
Question #66
Meiosis is a process that produces  
A.   haploid cells
B.   gametes
C.   egg cells
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 low degree of cohesion
C.   Water has a high specific heat and so regulates temperature
D.   Water is less dense as a solid (which is why ice floats)

Need help with your exam preparation?