Biology B Final Exam Review Question Preview (ID: 19985)


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Mendel experimented with garden peas. One of the traits he looked at was texture of the pea coat. If we said the pea coat was smooth what are we looking at?
a) genotype
b) phenotype
c) chromosomes
d) alleles

Mendel looked at flower color. If we said a flower was homozygous dominant what are we looking at?
a) genotype
b) phenotype
c) chromosomes
d) alleles

Organisms that have two identical alleles for a trait are said to be
a) homozygous
b) heterozygous
c) hybrid
d) dominant

Organisms that have two different alleles for a trait are said to be
a) homozygous
b) heterozygous
c) purebred
d) recessive

Which of the following was an early realization that gave rise to Darwin's theory of natural selection?
a) Most organisms share the same habitat
b) The earth is younger than previously thought
c) Organisms do not appear to be closely related
d) The earth and its organisms have changed through time

Darwin saw that farm animals with preferred traits were used in breeding. This best illustrates the process of
a) evolution
b) natural selection
c) artifical selection
d) genetic engineering

All of the following adaptation could lead to an organism to be successful except
a) a fox in northern Canada grows white fur.
b) a butterfly develops coloring that enables it to camouflage itself in its environment
c) a salamander living in a cave is born without eyesight or fully developed eyes
d) an elephant in the savannah develops without the ability to hear

A water buffalo is born with slightly longer legs allowing it to run faster than the other water buffalo. This adapation came about because
a) the water buffalo needed to be able to run faster
b) there was a mutation in the water buffalo's genetic code
c) the water buffalo's parents were not able to outrun a lion
d) the water buffalo did not get enough nutritious food once it was born

Which of the following was an early realization that gave rise to Darwin's theory of natural selection?
a) Organisms do not appear to be closely related
b) The earth is younger than previously thought
c) The earth and its organisms have changed through time
d) Most organisms share the same habitat

Why do biologists have taxonomic systems?
a) to provide descriptive Latin names
b) to maintain a small number of taxa or groups
c) to provide consistent ways to identify and classify organisms as they are being studied
d) to construct a family tree that predicts how many species may be discovered in the future

Vaccines prevent disease by
a) bringing bacteria to infect healthy cells
b) containing specific T lymphocytes
c) combining with pathogens to inactivate them
d) preparing the immume system to recognize and destroy pathogens

Which event listed is most likely to cause a widespread influenza outbreak?
a) The northern portion of the country is affected by winter-like weather patterns.
b) People do not have immunity to a new strain of the influenza virus
c) The influenza virus is recognized by host immune systems
d) Winter precipitation is increased due to global warming

When a virus invades a host the most common threat is
a) stimulation of muscle tone in the heart
b) destruction of cells by viral reproduction
c) production of viral fluids in the blood stream
d) fermentation of acids in the digestive system

Viruses and bacteria are both microscopic and can both cause disease. Viruses differ from bacteria in that all viruses
a) have cell walls
b) need a living host cell to reproduce
c) cause insect transmitted diseases
d) can be destroyed by antibiotics

Some diseases are caused by bacteria, protists, invertebrates or viruses. How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?
a) Both respond to antibiotics.
b) Neither respond to antibiotics
c) Bacteria diseases respond to antibiotics, viral diseases do not
d) Viral diseases repsong to antibiotics, bacterial diseases do not.

Prokaryotes are different from all other organisms in that their cells
a) lack DNA
b) lack nuclei
c) have cell walls
d) have organelles

All bacteria are classified as
a) Eukaryotes
b) Prokaryotes
c) Archaea
d) Protista

Of which domains are the prokaryotes members?
a) Archara and Bacteria
b) Archara and Eukarya
c) Bacteria and Eukarya
d) Bacteria, Eukarya, and Archara

All members of the kingdom Protista are
a) prokaryotic
b) eukaryotic
c) autotrophic
d) eukaryotic

Which of the following characteristics distinguishes fungi from other organims?
a) Use photosynthesis to makes food
b) Reproduce sexually
c) Unicellular
d) Use absorption to obtain nutrients

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