2026 QUESTIONS WITH ANSWERS GRADED
A+
◉ To clean a biohazard soak in Lysol for 1-2 minutes. Answer: True
◉ When an autclave reaches sterilization phase this means the
temperature is .... And the pressure is ....... Answer: Temp: 121 C
Pressure: 15
◉ How much would 350 microliters of water weigh in gram. Answer:
0.35g
◉ The use of immersion oil in brightfield microscopy is to improve.
Answer: Numerical aperature
◉ What is number 3 of microscope. Answer: Objective
◉ What does a zone of inhibition represent in disk diffusion assay.
Answer: The amount of inhibited microbial range
◉ Serial dilution. What is the accurate one. Answer: 1:10,000
, ◉ In the viable cell count method, which inoculation is used. Answer:
Spread plate inoculation
◉ In the disk diffusion and Kirby Bauer exercise, which two bacteria is
used. Answer: Staphylococcus aureus and E.coli
◉ Isn't he PET the technique will be. Answer: Viable cell method
◉ API test is useful for. Answer: Identification of enteric, gram negative
bacteria
◉ Anabolism reactions are emergencies pathways that break down
complex molecules into simpler once's and release energy in the form of
ATP. Answer: False
◉ The Kirby Bauer assay cannot distinguish between bactericidal and
bacteriostatic activity of an antibiotic. Answer: True
◉ The gram stain is an example of. Answer: Differential staining
◉ Each step of gram stain. Answer: 1. Microorganism is heat fixed onto
glass a slide
2. Select primary stain (crystal violet) is added to the smear