ASB 114 – Control Measures Exam
Questions With Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary goal of control measures in disease
management?
A. Increase production costs
B. Eliminate all pathogens permanently
C. Reduce transmission and impact of disease
D. Replace vaccination programs
Answer: C
Rationale: Control measures aim to reduce the spread,
severity, and impact of disease rather than completely
eliminating pathogens, which is often not feasible in real-
world settings.
2. Which of the following is a biological control method?
A. Use of pesticides
B. Use of natural predators
, C. Burning infected material
D. Chemical disinfection
Answer: B
Rationale: Biological control involves using natural enemies
such as predators or parasites to manage pests or disease
vectors.
3. Quarantine is best defined as:
A. Treating infected individuals
B. Separating and restricting movement of potentially
infected hosts
C. Vaccinating all animals in a herd
D. Cleaning equipment after use
Answer: B
Rationale: Quarantine prevents the movement of potentially
infected individuals to reduce disease spread.
4. Which is an example of a chemical control method?
A. Crop rotation
B. Antibiotics
C. Resistant breeds
D. Physical barriers
,Answer: B
Rationale: Chemical control includes substances like
antibiotics, disinfectants, and pesticides used to kill or inhibit
pathogens.
5. The concept of biosecurity mainly focuses on:
A. Increasing production speed
B. Preventing introduction and spread of harmful
organisms
C. Genetic modification of crops
D. Increasing fertilizer use
Answer: B
Rationale: Biosecurity involves measures that prevent the
entry and spread of infectious agents in populations or
environments.
6. Which is NOT a physical control measure?
A. Fencing
B. Heat treatment
C. Vaccination
D. Filtration
Answer: C
, Rationale: Vaccination is a biological intervention, not a
physical control method.
7. The best example of sanitation is:
A. Injecting antibiotics
B. Removing manure and waste regularly
C. Isolating sick animals
D. Breeding resistant animals
Answer: B
Rationale: Sanitation involves cleaning and removal of waste
materials that may harbor pathogens.
8. Vaccination works by:
A. Killing pathogens directly
B. Stimulating immune response to recognize pathogens
C. Blocking physical entry of pathogens
D. Increasing pathogen mutation
Answer: B
Rationale: Vaccines train the immune system to recognize and
respond faster to pathogens.
Questions With Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary goal of control measures in disease
management?
A. Increase production costs
B. Eliminate all pathogens permanently
C. Reduce transmission and impact of disease
D. Replace vaccination programs
Answer: C
Rationale: Control measures aim to reduce the spread,
severity, and impact of disease rather than completely
eliminating pathogens, which is often not feasible in real-
world settings.
2. Which of the following is a biological control method?
A. Use of pesticides
B. Use of natural predators
, C. Burning infected material
D. Chemical disinfection
Answer: B
Rationale: Biological control involves using natural enemies
such as predators or parasites to manage pests or disease
vectors.
3. Quarantine is best defined as:
A. Treating infected individuals
B. Separating and restricting movement of potentially
infected hosts
C. Vaccinating all animals in a herd
D. Cleaning equipment after use
Answer: B
Rationale: Quarantine prevents the movement of potentially
infected individuals to reduce disease spread.
4. Which is an example of a chemical control method?
A. Crop rotation
B. Antibiotics
C. Resistant breeds
D. Physical barriers
,Answer: B
Rationale: Chemical control includes substances like
antibiotics, disinfectants, and pesticides used to kill or inhibit
pathogens.
5. The concept of biosecurity mainly focuses on:
A. Increasing production speed
B. Preventing introduction and spread of harmful
organisms
C. Genetic modification of crops
D. Increasing fertilizer use
Answer: B
Rationale: Biosecurity involves measures that prevent the
entry and spread of infectious agents in populations or
environments.
6. Which is NOT a physical control measure?
A. Fencing
B. Heat treatment
C. Vaccination
D. Filtration
Answer: C
, Rationale: Vaccination is a biological intervention, not a
physical control method.
7. The best example of sanitation is:
A. Injecting antibiotics
B. Removing manure and waste regularly
C. Isolating sick animals
D. Breeding resistant animals
Answer: B
Rationale: Sanitation involves cleaning and removal of waste
materials that may harbor pathogens.
8. Vaccination works by:
A. Killing pathogens directly
B. Stimulating immune response to recognize pathogens
C. Blocking physical entry of pathogens
D. Increasing pathogen mutation
Answer: B
Rationale: Vaccines train the immune system to recognize and
respond faster to pathogens.
