Neco Model Questions Vol1 2024 Biology Question 45

Practice objective / multiple choice question 45 from the 2024 Neco Model Questions Vol1 Biology examination.

Neco Model Questions Vol1 2024 Biology Objective / Multiple Choice Hard Difficulty
Question 45 NECO_MODEL_QUESTIONS_VOL1 • 2024 • BIOLOGY • objective

A bacterial isolate is examined and shows the following characteristics: Gram‑positive reaction, catalase‑positive, endospore‑forming, rod‑shaped morphology, and obligate aerobic growth. (i) Identify the most probable genus of this organism. (ii) Based on these traits, assess whether the organism is likely to be pathogenic to humans, providing a brief justification.

Answer Options

Correct Answer A. Genus *Bacillus*; unlikely to be pathogenic (except for specific species such as *B. anthracis*)
B. Genus *Staphylococcus*; likely to be pathogenic (e.g., *S. aureus*)
C. Genus *Listeria*; unlikely to be pathogenic (except for rare cases)
D. Genus *Clostridium*; likely to be pathogenic (e.g., *C. perfringens*)
Correct Answer
A
Correct Option:
Genus *Bacillus*; unlikely to be pathogenic (except for specific species such as *B. anthracis*)

About This Question

This is Neco Model Questions Vol1 2024 Biology Question 45. It is one of the objective questions from the 2024 Neco Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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