BSC 101 Exam 3 Study Guide
– Illinois State University |
Complete Notes, Immunity,
Digestion, Reproduction,
Cancer & More (Guaranteed
Pass 2026)
📝 Description (Optimized for Stuvia – under 350 characters):
Comprehensive BSC 101 Exam 3 study guide covering viruses, immunity, digestion,
microbiome, reproduction, STIs, cancer biology & more. Clear explanations, exam-focused
content, and simplified concepts for fast revision and guaranteed success.
Viruses, Immunity, and Vaccination
1.
Description: Tests the basic structure of a virus.
Keywords: virus, capsid, nucleic acid
Question: Which statement best describes a typical viral particle?
A. It is made of cytoplasm, a nucleus, and ribosomes
B. It contains DNA or RNA surrounded by a protein coat called a capsid ✅✅✅
C. It is always made of both DNA and RNA
D. It is a complete living cell with organelles
2.
Description: Focuses on what surrounds viral genetic material.
Keywords: capsid, protein coat, virus
Question: The protective outer protein layer of a virus is called the:
A. membrane
B. capsule
,C. capsid ✅✅✅
D. cell wall
3.
Description: Applies viral infection steps.
Keywords: attachment, entry, host cell
Question: What is usually the first step in viral infection of a host cell?
A. The virus immediately divides
B. The virus attaches to specific receptors on the host cell ✅✅✅
C. The host cell destroys the virus instantly
D. The virus produces antibodies
4.
Description: Checks understanding of viral entry.
Keywords: injection, engulfment, nucleic acid
Question: After attachment, many viruses infect a cell by:
A. digesting the host nucleus first
B. entering or injecting their nucleic acid into the host cell ✅✅✅
C. becoming a bacterium
D. producing mitochondria
5.
Description: Explains why viruses are not considered alive.
Keywords: acellular, reproduction, host dependence
Question: Why are viruses generally not considered “alive”?
A. They have too many organelles
B. They are made of plant cells
C. They are acellular and cannot reproduce independently without a host ✅✅✅
D. They contain too much protein
6.
Description: Distinguishes viruses from cells.
Keywords: acellular, organelles, virus
Question: Which feature supports the claim that viruses are acellular?
A. They lack cellular organelles and cytoplasm ✅✅✅
B. They contain chromosomes in a nucleus
C. They use oxygen for respiration
D. They undergo mitosis
7.
Description: Reviews innate immunity.
Keywords: innate immunity, first line, defense
Question: Innate immunity is best described as:
A. immunity that develops only after vaccination
B. immunity present at birth that responds quickly and non-specifically ✅✅✅
, C. immunity produced only by memory cells
D. immunity that occurs only in adults
8.
Description: Identifies barriers of innate defense.
Keywords: skin, mucus, physical barrier
Question: Which is an example of the body’s first line of defense?
A. Antibodies circulating in blood
B. Memory B cells
C. Skin and mucus membranes ✅✅✅
D. T helper cells
9.
Description: Recognizes non-specific defenses.
Keywords: innate, inflammation, barriers
Question: Which of the following belongs to innate immunity?
A. Antibody production after measles infection
B. Skin, stomach acid, and inflammation ✅✅✅
C. Long-term memory after vaccination
D. Production of highly specific plasma cells only
10.
Description: Connects injury to inflammation.
Keywords: inflammatory response, cut, swelling
Question: What usually triggers an inflammatory response?
A. Lack of oxygen in the lungs
B. Tissue injury or pathogen invasion ✅✅✅
C. Formation of red blood cells
D. Digestion of fats in the intestine
11.
Description: Identifies signs of inflammation.
Keywords: redness, warmth, swelling
Question: Which set of symptoms is most characteristic of inflammation?
A. Coolness, shrinkage, and numbness
B. Redness, warmth, swelling, and pain ✅✅✅
C. Hunger, thirst, and confusion
D. Sneezing, coughing, and hiccups
12.
Description: Explains the purpose of inflammation.
Keywords: phagocytes, bacteria, tissue repair
Question: The main purpose of inflammation is to:
A. increase blood sugar
B. destroy pathogens and begin tissue repair ✅✅✅
– Illinois State University |
Complete Notes, Immunity,
Digestion, Reproduction,
Cancer & More (Guaranteed
Pass 2026)
📝 Description (Optimized for Stuvia – under 350 characters):
Comprehensive BSC 101 Exam 3 study guide covering viruses, immunity, digestion,
microbiome, reproduction, STIs, cancer biology & more. Clear explanations, exam-focused
content, and simplified concepts for fast revision and guaranteed success.
Viruses, Immunity, and Vaccination
1.
Description: Tests the basic structure of a virus.
Keywords: virus, capsid, nucleic acid
Question: Which statement best describes a typical viral particle?
A. It is made of cytoplasm, a nucleus, and ribosomes
B. It contains DNA or RNA surrounded by a protein coat called a capsid ✅✅✅
C. It is always made of both DNA and RNA
D. It is a complete living cell with organelles
2.
Description: Focuses on what surrounds viral genetic material.
Keywords: capsid, protein coat, virus
Question: The protective outer protein layer of a virus is called the:
A. membrane
B. capsule
,C. capsid ✅✅✅
D. cell wall
3.
Description: Applies viral infection steps.
Keywords: attachment, entry, host cell
Question: What is usually the first step in viral infection of a host cell?
A. The virus immediately divides
B. The virus attaches to specific receptors on the host cell ✅✅✅
C. The host cell destroys the virus instantly
D. The virus produces antibodies
4.
Description: Checks understanding of viral entry.
Keywords: injection, engulfment, nucleic acid
Question: After attachment, many viruses infect a cell by:
A. digesting the host nucleus first
B. entering or injecting their nucleic acid into the host cell ✅✅✅
C. becoming a bacterium
D. producing mitochondria
5.
Description: Explains why viruses are not considered alive.
Keywords: acellular, reproduction, host dependence
Question: Why are viruses generally not considered “alive”?
A. They have too many organelles
B. They are made of plant cells
C. They are acellular and cannot reproduce independently without a host ✅✅✅
D. They contain too much protein
6.
Description: Distinguishes viruses from cells.
Keywords: acellular, organelles, virus
Question: Which feature supports the claim that viruses are acellular?
A. They lack cellular organelles and cytoplasm ✅✅✅
B. They contain chromosomes in a nucleus
C. They use oxygen for respiration
D. They undergo mitosis
7.
Description: Reviews innate immunity.
Keywords: innate immunity, first line, defense
Question: Innate immunity is best described as:
A. immunity that develops only after vaccination
B. immunity present at birth that responds quickly and non-specifically ✅✅✅
, C. immunity produced only by memory cells
D. immunity that occurs only in adults
8.
Description: Identifies barriers of innate defense.
Keywords: skin, mucus, physical barrier
Question: Which is an example of the body’s first line of defense?
A. Antibodies circulating in blood
B. Memory B cells
C. Skin and mucus membranes ✅✅✅
D. T helper cells
9.
Description: Recognizes non-specific defenses.
Keywords: innate, inflammation, barriers
Question: Which of the following belongs to innate immunity?
A. Antibody production after measles infection
B. Skin, stomach acid, and inflammation ✅✅✅
C. Long-term memory after vaccination
D. Production of highly specific plasma cells only
10.
Description: Connects injury to inflammation.
Keywords: inflammatory response, cut, swelling
Question: What usually triggers an inflammatory response?
A. Lack of oxygen in the lungs
B. Tissue injury or pathogen invasion ✅✅✅
C. Formation of red blood cells
D. Digestion of fats in the intestine
11.
Description: Identifies signs of inflammation.
Keywords: redness, warmth, swelling
Question: Which set of symptoms is most characteristic of inflammation?
A. Coolness, shrinkage, and numbness
B. Redness, warmth, swelling, and pain ✅✅✅
C. Hunger, thirst, and confusion
D. Sneezing, coughing, and hiccups
12.
Description: Explains the purpose of inflammation.
Keywords: phagocytes, bacteria, tissue repair
Question: The main purpose of inflammation is to:
A. increase blood sugar
B. destroy pathogens and begin tissue repair ✅✅✅
