MICROBIOLOGY LAB EXAM 1 QUESTIONS AND CORRECT ANSWERS 2025/2026
MICROBIOLOGY LAB EXAM 1 QUESTIONS AND CORRECT ANSWERS 2025/2026 Total magnification is - Answer -Objective lens × 10 Why is old immersion used with the 100x objective? - Answer -Causes less light refraction therefore focusing more light into the lens What is the function of the Iris diaphragm? - Answer -Opens and closes the cover over the light What is the advantage of the parfocal lenses? - Answer -When magnification changes the object stays in focus What can influence the resolution of a bright field microscope? - Answer -Wavelength of light and numerical aperture What is the significance of Agar as an ingredient in culture media? - Answer -It causes liquid culture media to become solid What are the signs of growth in a liquid medium? - Answer -Pellicle on surface, sediment on bottom, and uniform
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- Microbiology
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- May 30, 2025
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microbiology lab exam 1 2025
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microbiology lab exam 1 2026
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total magnification is answer objective lens ×
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