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SIUE BIOL 150 Final Exam questions and answers verified 2024
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SIUE BIOL 150 Final Exam (Exams 1, 2,3) Question and answers correctly
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what is the lowest level of biological organization that can perform all the
activities required for life?
a. organelle -- for example, a chloroplast
b. molecule -- for example, oxygen
c. tissue -- for example, muscle tissue
d. organism -- for example, a bacterium, an oak tree, human, or cat
e. cell -- for example, a pancreatic cell - correct answer ✔e. cell
which of the following represents the correct hierarchy of biological
organization from large scale to smaller scale?
a. biosphere, ecosystems, communities, populations, organisms
b. ecosystems, biosphere, communities, populations, organisms
c. communities, populations, organisms, ecosystems, biosphere
d. biosphere, communities, populations, ecosystems, organisms
e. biosphere, ecosystems, populations, communities, organisms - correct
answer ✔a. biosphere, ecosystems, communities, populations, organisms
which of the following correctly describes the forms by which energy flows
through an ecosystem from entry to exit?
a. heat --> chemical --> heat
b. light. --> heat --> chemical
c. light --> chemical --> heat
d. chemical --> heat --> light - correct answer ✔c. light --> chemical --> heat
,which of the following statements concerning prokaryotic and eukaryotic cells
is INCORRECT?
a. prokaryotic cells lack a membrane-bound nucleus
b. eukaryotic cells contain a membrane-bound nucleus
c. prokaryotic cells contain small membrane-enclosed organelles
d. DNA, or deoxyribonucleic acid, is present in both prokaryotic cells and
eukaryotic cells
e. DNA or deoxyribonucleic acid is present in the nucleus of eukaryotic cells -
correct answer ✔c. prokaryotic cells contain small membrane-enclosed
organelles
strong evidence in support of the common ancestry of all life comes from
which of the following observations about living things?
a. the fact that decomposers include both bacteria and fungi
b. the existence of a nearly universal genetic code
c. the ability of plants to convert light energy to chemical energy
d. the universal use of protein catalysts by all cells - correct answer ✔b. the
existence of a nearly universal genetic code
In her studies of chimpanzee behavior, Jane Goodall collected both qualitative
and quantitative data. Which of the following is an example of quantitative
data?
a. chimpanzees typically travel together in small groups
b. mothers and their infants typically nap for two to three hours each afternoon
c. pairs of animals take turns grooming each other
d. young chimpanzees play games in the trees and on the ground - correct
answer ✔b. mothers and their infants typically nap for two to three hours
each afternoon
,which of the following best describes the logic of scientific inquiry?
a. if I generate a testable hypothesis, tests and observations will support it
b. if my prediction is correct, it will lead to a testable hypothesis
c. if my experiments are set up right, they will lead to a testable hypothesis
d. if my hypothesis is correct, I can expect certain test results - correct
answer ✔d. if my hypothesis is correct, I can expect certain test results
why is it important that scientific discoveries and ideas be discussed by
people with various points of view, from a variety of sub disciplines, and with
diverse cultural backgrounds?
a. they can correct each other's approach to make it truly scientific
b. robust and critical discussion between diverse groups improves scientific
thinking
c. scientists need to exchange their ideas with other disciplines and cultures
so that all groups are in agreement regarding the course of future research
d. this is another way of ensuring that everyone gets the same results -
correct answer ✔b. robust and critical discussion between diverse groups
improves scientific thinking
which of these groups of organisms are composed of cell(s) that contain
ribosomes?
a. archaea only
b. eukaryotes only
c. bacteria only
d. both bacteria and archaea
e. archaea, bacteria, and eukaryotes - correct answer ✔e. archaea, bacteria,
and eukaryotes
, which of these groups of organisms are composed of cell(s) that contain linear
chromosomes in a nucleus?
a. archaea only
b. eukaryotes only
c. bacteria only
d. both bacteria and archaea
e. archaea, bacteria, and eukaryotes - correct answer ✔b. eukaryotes only
in the 19th century, even when an operation or treatment had been
successful, the patient often died from a range of infection-related conditions
like sepsis and gangrene. Joseph Lister found a way to prevent infection in
wounds during and after surgery by cleaning the wound with a carbolic acid
solution. which of the following would be an acceptable hypothesis to answer
how we can decrease the number of post-surgery skin infections?
a. after the use of carbolic acid, there was reduction in post-surgery skin
infections by 75%
b. if carbolic acid is applied to the skin prior to surgery, then the number of
post-surgery skin infections will decrease.
c. skin infections are caused by microorganisms and the more
microorganisms present, the greater the chances of infection
d. chemicals applied to the skin prior to surgery prevent the development of
infections post-surgery - correct answer ✔d. chemicals applied to the skin
prior to surgery prevent the development of infections post-surgery
a biologist hypothesizes that keeping mice on a restricted diet with minimal
calories will increase their aggression. the biologist designs an experiment in
which 100 mice are to be housed in individual cages under similar conditions
and diets. he then plans to place pairs of mice together in the same cage to
observe their interactions. what is true about this study design?
a. the study is well designed since it uses a large sample of mice
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