Microbiology 1 – Exam 1 Test Bank | Comprehensive Question Set
with Answers
Which is the smallest unit of life that can exist as a separate entity?
a. a cell
b. a molecule
c. an organ
d. a population - correct answer a cell
All of the following are characteristics of life except
a. ionization.
b. metabolism.
c. reproduction.
d. cellular organization. - correct answer ionization
All forms of life share the basic characteristics of
a. the ability to obtain and use energy by metabolism.
b. the ability to sense and respond to their surroundings.
c. the ability to convert sunlight into energy.
d. a and b are correct. - correct answer a and b are correct: the ability to obtain and use energy
by metabolism AND the ability to sense and respond to their surroundings
The ability to maintain a constant internal environment
a. metabolism.
b. homeostasis.
c. development.
d. thermoregulation. - correct answer homeostasis
Which of the following levels of organization include the chemical and physical environment as
well as the living components?
a. individual organisms
b. ecosystems
,c. communities
d. populations - correct answer ecosystems
Energy transfers take place at what organizational level?
a. molecule
b. organelle
c. cell
d. organism - correct answer molecule
Which of the following statements is correct?
a. Decomposers recycle energy as heat.
b. Consumers capture the energy from sunlight.
c. Fungi eat plants to obtain energy.
d. Producers convert sunlight into energy. - correct answer Producers convert sunlight into
energy.
A mutation is a change in
a. homeostasis.
b. metabolism.
c. hereditary instructions.
d. the life cycle of an organism. - correct answer hereditary instructions.
Pesticide resistance in mosquitoes is an example of
a. accelerated rates of natural selection due to human involvement.
b. the creation of new species due to human involvement.
c. a species entering the empty niche of an extinct mosquito.
d. a symbiotic relationship between a virus and mosquitoes. - correct answer accelerated rates
of natural selection due to human involvement.
A scientific name consists of which of the following?
a. family name
b. genus name
c. species
,d. both b and c - correct answer both b and c: genus name and species
Members of what kingdom are multicellular producers?
a. Animalia
b. Protista
c. Fungi
d. Plantae - correct answer Plantae
The simplest forms of life belong to the kingdoms ____________.
a. Plantae and Animalia
b. Fungi and Plantae
c. Protista and Fungi
d. Eubacteria and Archaebacteria - correct answer Eubacteria and Archaebacteria
The processes of cellular differentiation are studied through
a. developmental biology.
b. genetics.
c. embryology.
d. all of the above - correct answer all of the above: developmental biology, genetics and
embryology
Which of the following would NOT be characteristic of living organisms?
a. complex structural organization
b. dependence on other organisms for energy and resources
c. reproductive capacity
d. uniformity of size and form - correct answer uniformity of size and form
When Darwin wrote On the Origin of Species,
a. he verified earlier hypotheses.
b. no conclusions could be made.
c. his observations matched the test results.
d. only an educated guess was presented. - correct answer only an educated guess was
presented.
, Archaeopteryx is considered to be
a. a living example of the evolutionary process.
b. a link between the dinosaurs and modern birds.
c. a link between the reptiles and birds of today.
d. an extinct form of flying reptile. - correct answer a link between the reptiles and birds of
today.
The process of nature choosing those individuals to survive long enough in order to reproduce
is called
a. reproductive diversity.
b. selective reproduction.
c. predator limiting factor.
d. natural selection. - correct answer natural selection
Of the following, which is the first explanation of a problem? It is sometimes called an educated
guess.
a. principle
b. law
c. theory
d. hypothesis - correct answer hypothesis
The scientific method includes
a. observations and hypotheses.
b. testing and results from the tests.
c. conclusions based upon results.
d. all of the above. - correct answer all of the above: observations and hypotheses, testing and
results from the tests AND conclusions based upon results
Control groups allow scientists to
a. study several variables at the same time.
b. study one variable at a time.
c. eliminate the need for verifiable data.
with Answers
Which is the smallest unit of life that can exist as a separate entity?
a. a cell
b. a molecule
c. an organ
d. a population - correct answer a cell
All of the following are characteristics of life except
a. ionization.
b. metabolism.
c. reproduction.
d. cellular organization. - correct answer ionization
All forms of life share the basic characteristics of
a. the ability to obtain and use energy by metabolism.
b. the ability to sense and respond to their surroundings.
c. the ability to convert sunlight into energy.
d. a and b are correct. - correct answer a and b are correct: the ability to obtain and use energy
by metabolism AND the ability to sense and respond to their surroundings
The ability to maintain a constant internal environment
a. metabolism.
b. homeostasis.
c. development.
d. thermoregulation. - correct answer homeostasis
Which of the following levels of organization include the chemical and physical environment as
well as the living components?
a. individual organisms
b. ecosystems
,c. communities
d. populations - correct answer ecosystems
Energy transfers take place at what organizational level?
a. molecule
b. organelle
c. cell
d. organism - correct answer molecule
Which of the following statements is correct?
a. Decomposers recycle energy as heat.
b. Consumers capture the energy from sunlight.
c. Fungi eat plants to obtain energy.
d. Producers convert sunlight into energy. - correct answer Producers convert sunlight into
energy.
A mutation is a change in
a. homeostasis.
b. metabolism.
c. hereditary instructions.
d. the life cycle of an organism. - correct answer hereditary instructions.
Pesticide resistance in mosquitoes is an example of
a. accelerated rates of natural selection due to human involvement.
b. the creation of new species due to human involvement.
c. a species entering the empty niche of an extinct mosquito.
d. a symbiotic relationship between a virus and mosquitoes. - correct answer accelerated rates
of natural selection due to human involvement.
A scientific name consists of which of the following?
a. family name
b. genus name
c. species
,d. both b and c - correct answer both b and c: genus name and species
Members of what kingdom are multicellular producers?
a. Animalia
b. Protista
c. Fungi
d. Plantae - correct answer Plantae
The simplest forms of life belong to the kingdoms ____________.
a. Plantae and Animalia
b. Fungi and Plantae
c. Protista and Fungi
d. Eubacteria and Archaebacteria - correct answer Eubacteria and Archaebacteria
The processes of cellular differentiation are studied through
a. developmental biology.
b. genetics.
c. embryology.
d. all of the above - correct answer all of the above: developmental biology, genetics and
embryology
Which of the following would NOT be characteristic of living organisms?
a. complex structural organization
b. dependence on other organisms for energy and resources
c. reproductive capacity
d. uniformity of size and form - correct answer uniformity of size and form
When Darwin wrote On the Origin of Species,
a. he verified earlier hypotheses.
b. no conclusions could be made.
c. his observations matched the test results.
d. only an educated guess was presented. - correct answer only an educated guess was
presented.
, Archaeopteryx is considered to be
a. a living example of the evolutionary process.
b. a link between the dinosaurs and modern birds.
c. a link between the reptiles and birds of today.
d. an extinct form of flying reptile. - correct answer a link between the reptiles and birds of
today.
The process of nature choosing those individuals to survive long enough in order to reproduce
is called
a. reproductive diversity.
b. selective reproduction.
c. predator limiting factor.
d. natural selection. - correct answer natural selection
Of the following, which is the first explanation of a problem? It is sometimes called an educated
guess.
a. principle
b. law
c. theory
d. hypothesis - correct answer hypothesis
The scientific method includes
a. observations and hypotheses.
b. testing and results from the tests.
c. conclusions based upon results.
d. all of the above. - correct answer all of the above: observations and hypotheses, testing and
results from the tests AND conclusions based upon results
Control groups allow scientists to
a. study several variables at the same time.
b. study one variable at a time.
c. eliminate the need for verifiable data.
