Jersey College 2025 Questions with Verified
Solutions for Exam Success
Prepared for Exam Success
August 29, 2025
,1 Introduction
This document provides a comprehensive review for the Microbiology Final Exam at Jer-
sey College in 2025. It includes 100 carefully curated questions with verified solutions,
focusing on key microbiology concepts such as bacteriology, virology, mycology, para-
sitology, and immunology. The content is designed to be concise, avoiding unnecessary
jargon, and is structured to aid in effective exam preparation.
2 Bacteriology
2.1 Question 1
What is the primary source of energy for Earth’s climate system?
A. The Sun
B. Earth’s core
C. Ocean currents
D. Atmospheric pressure
Answer: A. The Sun Explanation: The Sun provides the primary energy that drives
Earth’s climate system through solar radiation, influencing weather patterns and tem-
perature.
2.2 Question 2
Which bacterial structure is responsible for adherence to host cells?
A. Flagella
B. Pili
C. Capsule
D. Cell wall
Answer: B. Pili Explanation: Pili are hair-like structures on bacterial surfaces that facil-
itate attachment to host cells, aiding in colonization and infection.
2.3 Question 3
What is the primary function of the bacterial cell wall?
A. Energy production
B. Structural support
C. Protein synthesis
D. DNA replication
Answer: B. Structural support Explanation: The cell wall provides rigidity and shape to
bacteria, protecting them from osmotic pressure changes.
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, 2.4 Question 4
Which bacteria are characterized by a thick peptidoglycan layer in their cell wall?
A. Gram-negative
B. Gram-positive
C. Acid-fast
D. Mycoplasma
Answer: B. Gram-positive Explanation: Gram-positive bacteria have a thick peptidogly-
can layer, which retains the crystal violet stain in Gram staining.
2.5 Question 5
What is the primary mode of reproduction in bacteria?
A. Binary fission
B. Mitosis
C. Meiosis
D. Budding
Answer: A. Binary fission Explanation: Bacteria primarily reproduce asexually through
binary fission, dividing into two identical daughter cells.
2.6 Question 6
Which of the following is a spore-forming bacterium?
A. Escherichia coli
B. Bacillus anthracis
C. Streptococcus pyogenes
D. Neisseria gonorrhoeae
Answer: B. Bacillus anthracis Explanation: Bacillus anthracis forms endospores, allowing
it to survive harsh environmental conditions.
2.7 Question 7
What is the primary role of the bacterial capsule?
A. Motility
B. Protection
C. Nutrient storage
D. DNA replication
Answer: B. Protection Explanation: The capsule protects bacteria from phagocytosis
and desiccation, enhancing their survival in hostile environments.
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