BIO 1100: INTRODUCTORY BIOLOGY EXAM READY -
VERIFIED QUESTIONS AND ANSWERS - LATEST
VERSION 2026/2027
1. What is the smallest unit capable of carrying out all the activities of
life?
A. The atom
B. The molecule
C. The organelle
D. The cell
Answer: D. The cell is the basic unit of structure and function in all
living organisms.
2. Which sequence lists levels of biological organization from least to
most complex?
A. Tissue, cell, organ, organ system
B. Organ, tissue, cell, organism
C. Cell, organ, tissue, organ system
D. Cell, tissue, organ, organ system
Answer: D. Cells form tissues, tissues form organs, and organs work
together as organ systems.
BIO 1100 Practice Examination – Page 1
,3. A testable explanation for an observation is called a:
A. Theory
B. Law
C. Hypothesis
D. Conclusion
Answer: C. A hypothesis is a tentative explanation that can be tested
by experiment or further observation.
4. What is the main purpose of a control group in an experiment?
A. To receive the experimental treatment
B. To provide a baseline for comparison
C. To increase the number of variables
D. To prove the hypothesis correct
Answer: B. Without a control group there is nothing to compare the
treated group against.
5. The variable that the experimenter deliberately changes is the:
A. Dependent variable
B. Controlled variable
C. Confounding variable
D. Independent variable
Answer: D. The independent variable is the factor manipulated to see
its effect.
6. The variable that is measured as the outcome of an experiment is the:
A. Dependent variable
B. Independent variable
C. Control
D. Constant
Answer: A. The dependent variable responds to changes in the
independent variable.
7. In science, the word "theory" refers to:
A. A guess made without evidence
B. A well-supported explanation based on extensive evidence
C. An untested idea
D. A fact that can never change
Answer: B. Scientific theories, such as cell theory, are supported by
many independent lines of evidence.
BIO 1100 Practice Examination – Page 2
,8. Which of the following is NOT a property shared by all living things?
A. Metabolism
B. Reproduction
C. Locomotion
D. Response to stimuli
Answer: C. Many organisms, such as plants and fungi, do not move
from place to place.
9. Homeostasis is best described as:
A. The ability to reproduce
B. Change in a population over generations
C. Maintenance of a relatively stable internal environment
D. Conversion of light energy to chemical energy
Answer: C. Organisms regulate conditions such as temperature and
pH within a narrow range.
10. Reasoning from many specific observations to a general conclusion is
called:
A. Deductive reasoning
B. Hypothetical reasoning
C. Experimental reasoning
D. Inductive reasoning
Answer: D. Inductive reasoning moves from specific cases to a
general principle.
11. A statement of the form "If my hypothesis is correct, then this result
should occur" is an example of:
A. Inductive reasoning
B. Random sampling
C. Deductive reasoning
D. Peer review
Answer: C. Deductive reasoning uses a general idea to predict a
specific outcome.
12. A scientific hypothesis must be:
A. Proven true
B. Widely accepted
C. Falsifiable
D. Based on a theory
Answer: C. A hypothesis must be capable of being shown false by
evidence.
BIO 1100 Practice Examination – Page 3
, 13. Which of the following lists the three domains of life?
A. Plantae, Animalia, Fungi
B. Bacteria, Archaea, Eukarya
C. Prokarya, Protista, Eukarya
D. Monera, Protista, Animalia
Answer: B. The three-domain system is based largely on ribosomal
RNA comparisons.
14. In the scientific name Homo sapiens, the word "sapiens" is the:
A. Genus
B. Family
C. Order
D. Species name (specific epithet)
Answer: D. The first word is the genus and the second is the species
epithet.
15. Which is the correct order of taxonomic ranks from broadest to most
specific?
A. Kingdom, domain, phylum, class, order, family, genus, species
B. Domain, kingdom, phylum, class, order, family, genus, species
C. Domain, kingdom, class, phylum, order, family, genus, species
D. Domain, kingdom, phylum, order, class, family, genus, species
Answer: B. A common memory aid is "Dear King Philip Came Over
For Good Soup".
16. Properties that arise from interactions among parts of a system, and
are not present in the parts alone, are called:
A. Emergent properties
B. Mutations
C. Adaptations
D. Homeostatic responses
Answer: A. Emergent properties explain why the whole is more than
the sum of its parts.
BIO 1100 Practice Examination – Page 4
VERIFIED QUESTIONS AND ANSWERS - LATEST
VERSION 2026/2027
1. What is the smallest unit capable of carrying out all the activities of
life?
A. The atom
B. The molecule
C. The organelle
D. The cell
Answer: D. The cell is the basic unit of structure and function in all
living organisms.
2. Which sequence lists levels of biological organization from least to
most complex?
A. Tissue, cell, organ, organ system
B. Organ, tissue, cell, organism
C. Cell, organ, tissue, organ system
D. Cell, tissue, organ, organ system
Answer: D. Cells form tissues, tissues form organs, and organs work
together as organ systems.
BIO 1100 Practice Examination – Page 1
,3. A testable explanation for an observation is called a:
A. Theory
B. Law
C. Hypothesis
D. Conclusion
Answer: C. A hypothesis is a tentative explanation that can be tested
by experiment or further observation.
4. What is the main purpose of a control group in an experiment?
A. To receive the experimental treatment
B. To provide a baseline for comparison
C. To increase the number of variables
D. To prove the hypothesis correct
Answer: B. Without a control group there is nothing to compare the
treated group against.
5. The variable that the experimenter deliberately changes is the:
A. Dependent variable
B. Controlled variable
C. Confounding variable
D. Independent variable
Answer: D. The independent variable is the factor manipulated to see
its effect.
6. The variable that is measured as the outcome of an experiment is the:
A. Dependent variable
B. Independent variable
C. Control
D. Constant
Answer: A. The dependent variable responds to changes in the
independent variable.
7. In science, the word "theory" refers to:
A. A guess made without evidence
B. A well-supported explanation based on extensive evidence
C. An untested idea
D. A fact that can never change
Answer: B. Scientific theories, such as cell theory, are supported by
many independent lines of evidence.
BIO 1100 Practice Examination – Page 2
,8. Which of the following is NOT a property shared by all living things?
A. Metabolism
B. Reproduction
C. Locomotion
D. Response to stimuli
Answer: C. Many organisms, such as plants and fungi, do not move
from place to place.
9. Homeostasis is best described as:
A. The ability to reproduce
B. Change in a population over generations
C. Maintenance of a relatively stable internal environment
D. Conversion of light energy to chemical energy
Answer: C. Organisms regulate conditions such as temperature and
pH within a narrow range.
10. Reasoning from many specific observations to a general conclusion is
called:
A. Deductive reasoning
B. Hypothetical reasoning
C. Experimental reasoning
D. Inductive reasoning
Answer: D. Inductive reasoning moves from specific cases to a
general principle.
11. A statement of the form "If my hypothesis is correct, then this result
should occur" is an example of:
A. Inductive reasoning
B. Random sampling
C. Deductive reasoning
D. Peer review
Answer: C. Deductive reasoning uses a general idea to predict a
specific outcome.
12. A scientific hypothesis must be:
A. Proven true
B. Widely accepted
C. Falsifiable
D. Based on a theory
Answer: C. A hypothesis must be capable of being shown false by
evidence.
BIO 1100 Practice Examination – Page 3
, 13. Which of the following lists the three domains of life?
A. Plantae, Animalia, Fungi
B. Bacteria, Archaea, Eukarya
C. Prokarya, Protista, Eukarya
D. Monera, Protista, Animalia
Answer: B. The three-domain system is based largely on ribosomal
RNA comparisons.
14. In the scientific name Homo sapiens, the word "sapiens" is the:
A. Genus
B. Family
C. Order
D. Species name (specific epithet)
Answer: D. The first word is the genus and the second is the species
epithet.
15. Which is the correct order of taxonomic ranks from broadest to most
specific?
A. Kingdom, domain, phylum, class, order, family, genus, species
B. Domain, kingdom, phylum, class, order, family, genus, species
C. Domain, kingdom, class, phylum, order, family, genus, species
D. Domain, kingdom, phylum, order, class, family, genus, species
Answer: B. A common memory aid is "Dear King Philip Came Over
For Good Soup".
16. Properties that arise from interactions among parts of a system, and
are not present in the parts alone, are called:
A. Emergent properties
B. Mutations
C. Adaptations
D. Homeostatic responses
Answer: A. Emergent properties explain why the whole is more than
the sum of its parts.
BIO 1100 Practice Examination – Page 4
