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Bio 101 Exam 1 Practice Questions
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Exam 1 study guideName___________________________________
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
1) Chapter One 1) _____________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
2) All of the individuals of the same species living within a specified area is known as a 2) _______
A) population. B) ecosystem. C) community. D) family.
3) A hypothesis is ________. 3) _______
A) the design of an experiment that can be used in scientific enquiry
B) a statement that explains an observed phenomenon or answers a question
C) an instrument that is used to examine environmental conditions
D) a prediction about something that has not yet been observed
E) a proven scientific fact
4) In a manipulative experiment ________. 4) _______
A) researchers manipulate as many variables as possible
B) the peer review process is bypassed
C) a scientist has been caught manipulating the data for economic gain
D) researchers manipulate the independent variable
E) replication of the experiment is not necessary
5) All of the following are examples of quantitative data EXCEPT ________. 5) _______
A) the number of siblings that students have
B) the exam scores for the students in a class
C) the gender of the students in a class
D) the amount of sleep normally gotten by the students in a class
E) the cholesterol levels of the students in a class
6) Which of the following lists the steps of the scientific method in correct order? 6) _______
A) Observations → Questions → Hypothesis → Prediction → Test → Results
B) Questions → Observations → Prediction → Hypothesis → Test → Results
C) Hypothesis → Prediction → Questions → Test → Observations → Results
D) Hypothesis → Prediction → Questions → Observations → Test → Results
E) Questions → Prediction → Hypothesis → Observations → Test → Results
7) The primary source of energy for producers in an ecosystem is 7) _______
A) thermal energy.
B) light energy.
C) ATP.
D) chemical energy.
E) kinetic energy.
8) All of the living things on Earth along with all of the places where life exists is known as 8) _______
A) an ecosystem. B) a population.
C) the biosphere. D) a biological community.
9) All of the living things in a particular area along with all of the nonliving aspects of the 9) _______
environment with which organisms interact is known as
, A) the biosphere. B) an ecosystem.
C) a biological community. D) a population.
10) All of the organisms inhabiting a particular ecosystem are known as 10) ______
A) a biological community. B) a population.
C) a biosphere. D) a biological system.
11) Which of the following types of cells lack a nucleus? 11) ______
A) plant B) fungi C) animal D) archaea E) protists
12) Living things are divided into three different domains. Which of these domains are classified as 12) ______
prokaryotes?
A) Bacteria and Protista
B) Bacteria and Archaea
C) Eukarya and Monera
D) Archaea and Monera
E) Bacteria and Eukarya
13) Which of the following represents the correct hierarchy of biological organization from 13) ______
large-scale to smaller scale?
A) ecosystems → biosphere → communities → populations → organisms
B) communities → populations → organisms → ecosystems → biosphere
C) biosphere → ecosystems → populations→ communities → organisms
D) biosphere → communities → populations → ecosystems → organisms
E) biosphere → ecosystems → communities → populations → organisms
14) The process of science involves testing which of the following? 14) ______
A) a hypothesis
B) a control group
C) a data set
D) a conclusion
E) an observation
15) A controlled experiment is one in which 15) ______
A) the experiment proceeds at a slow pace to guarantee that the scientist can carefully observe
all reactions and process all experimental data.
B) there are at least two groups, one differing from the other by two or more variables.
C) the experiment is repeated many times to ensure that the results are accurate.
D) there are at least two groups, one of which does not receive the experimental treatment.
16) Which of the following best describes the logic of scientific inquiry? 16) ______
A) If my observations are accurate, they will support my hypothesis.
B) If I generate a testable hypothesis, tests and observations will support it.
C) If my hypothesis is correct, I can expect certain test results.
D) If my prediction is correct, it will lead to a testable hypothesis.
17) A controlled experiment is one that 17) ______
A) is repeated many times to make sure the results are accurate.
B) proceeds slowly enough that a scientist can make careful records of the results.
C) keeps all variables constant.
D) tests experimental and control groups in parallel.
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