SERIES MICROBIOLOGY LAB PRACTICAL - FINAL COMPLETE QUESTIONS AND CORRECT ANSWERS | GRADED AND THE LATEST SERIES

2025-2026 SERIES
MICROBIOLOGY LAB PRACTICAL - FINAL COMPLETE
QUESTIONS AND CORRECT ANSWERS | GRADED
AND THE LATEST SERIES
This is MSA and the side labelled "2" is red. Which Staph does this indicate?


Ans: Staph epidermidis


Question: This is MSA and the side labelled "1" has turned yellow. Which Staph

does this indicate?


Ans: Staph aureus


Question: This is an EMB plate. What does the test result of "1" indicate?


Ans: Lactose Negative


Question: This is an EMB plate. What does the test result of "2" indicate?


Ans: Lactose Positive


Question: This is an EMB plate. What is indicated by "3?"


Ans: E. Coli


Question: This is a starch plate. What does the clear boundary around this

colony indicate?


Ans: Starch was broken down

, 2025-2026 SERIES
Question: Why did this Fermentation Tube turn yellow?


Ans: acid was produced


Question: What is indicated by the bubble in this Durham Tube inside a

Fermentation Tube?


Ans: gas was produced


Question: This is a Gelatin Tube Test. In Test Tube 2, it is solid. What does this

mean?


Ans: Protein was not broken down


Question: What is the name of this test?


Ans: Catalase Test


Question: What is the name of this test?


Ans: Antibiotic Disk Diffusion (Antibiotic Susceptibility)


Question: What is the name of this media?


Ans: Mannitol Salt Agar


Question: What is it testing for?

What does pink indicate?

What does the pale yellow indicate?

, 2025-2026 SERIES
Ans: Urea Broth
Urease Enzyme
Tube 1: Positive
Tube 2: Negative


Question: What is the name of this test?


Ans: Nitrate Reduction


Question:


Ans: neutrophil


Question:


Ans: lymphocyte


Question:


Ans: monocyte


Question:


Ans: eosinophil


Question:


Ans: basophil

, 2025-2026 SERIES
Question: Kirby-Bauer


Ans: What method is used for the antimicrobial susceptibility test?


Question: swab and make a bacterial lawn


Ans: What technique is used for the Kirby-Bauer test?


Question: disk diffusion


Ans: What is the principle of technique for the Kirby-Bauer?


Question: zone of inhibition


Ans: What observations are made in lab with Kirby-Bauer?


Question: susceptibility or resistance


Ans: What is reported out to Physicians from the Kirby-Bauer?


Question: pyrimidine dimers - which interferes with DNA replication and

transcription


Ans: What is produced when UV radiation is absorbs by DNA?


Question: Escherichia coli


Ans: Which bacteria has mechanisms to repair damage from UV radiation?


Question: It cannot pass through solid surfaces