BSC 108 Exam 1-ALABAMA | 50 Questions with 100% Correct Answers | Updated
Question : Domain Eukarya contains animals, plants, protists,
and fungi.
Correct answer: True
Question : The process of keeping internal conditions
constant is known as
Correct answer: Homeostasis
Question : The levels of biological organization, in order from
least complex to most complex, are: biosphere, ecosystems,
communities, populations, organisms, organ systems, organs, tissues, cells, atoms, molecules.
Correct answer: False
Question : A new species has been discovered. Individuals of
this species are multicellular eukaryotes that obtain nutrients
from decomposing organic matter. In which domain should this species be classified?
Correct answer: domain Eukarya
Question : Communities are more complex than populations.
Correct answer: true
Question : What is the lowest level of structure that can
perform all activities required for life?
Correct answer: cells
Question : A tentative explanation of an observation is
Correct answer: hypothesis
Question : A collection of hypotheses that have been
repeatedly tested without rejection is called a
Correct answer: theory
Question : The three domains of life are:
Correct answer: Eukarya, Archaea, Bacteria
Question : What is the difference between hypothesis and
theory?
Correct answer: A theory is much broader in scope than a
hypothesis and is generally supported by an accumulation of extensive and varied evidence.
Question : Describe one theory that unifies biology as a
science.
Correct answer: The theory of evolution by natural selection
unifies biology as a science because it accounts for the unity and diversity of life on Earth. This theory states that there is an overproduction of offspring and competition for resources, and variation exists among individual offspring. Unequal reproductive success (natural selection) among these offspring is the mechanism of evolution.
Question : What are the steps used in the scientific method?
Use an example to illustrate the steps of the scientific method.
Correct answer: a)Observations, Question, Hypothesis,
Prediction, Test, Revise hypothesis or Make additional
predictions and test them. Example: I observe that my
flashlight does not work. I question whether the batteries are dead. I hypothesize that the dead batteries are causing my flashlight to not work properly. I predict that changing the batteries will cause the flashlight to work again. I test my prediction by replacing the batteries with new ones. If the flashlight works, my hypothesis was correct. If not, perhaps make a new hypothesis that the light bulb is dead and need replacement.
Question : What is the function of nucleic acids?
Correct answer: To store and transmit hereditary information.
Question : Which of the following macromolecules function
in energy storage?