REVIEW GUIDE 2026 COMPLETE
PRACTICE QUESTIONS AND ANSWERS
●● Phylum Proteobacteria Answer: - gram negative
- Gamma class
- Beta class
- Alpha class
- Epsilon class
●● Gamma class Answer: - Vibrio: cholera
- Yersinia: plague
- Salonella, Shigella, Escherichia: enterie diseases
- Pseudomonas: common commensal
●● Beta Class Answer: Neisseria: meningitis, gonorrhea
●● Alpha Class Answer: - Rickettsia: Obligate intracellular parasite;
causes typhus
- Rhizobium: Nitrogen fixing nodules in
legumes