MICROBIOLOGY LAB PRACTICAL EXAM 1 /
GEORGIA SOUTHERN UNIVERSITY EXAM
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 – 2026
hanging drop steps: - ANSWERS-1. Vaseline around cover slip
2. micro organism in center of cover slip
3. place concave slide on cover slip
Gram stain steps: - ANSWERS-1. Crystal Violet
2. Gram's Iodine
3. Ethyl Alcohol
4. Safranin Red
negative stain steps: - ANSWERS-1. nigrosin
, 2.heat loop
3.bacteria
4. slide to spread mixture
5. air dry
what can happen to a Gram stain if a smear is too heavy? -
ANSWERS-can't see cells
what happens to a Gram stain if a smear is too light.? - ANSWERS-
cells are scattered away or not enough
flatworm - ANSWERS--has gastrovascular cavity, functions as both
mouth and anus
- locomotion involves gliding
acid-fast stain steps: - ANSWERS-1. carbolfuchsin
2. acid alcohol
3. methylene blue
4. wash & dry
simple stain steps - ANSWERS-1. fixed smear slide
2. dyes
3. rinse & dry
GEORGIA SOUTHERN UNIVERSITY EXAM
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 – 2026
hanging drop steps: - ANSWERS-1. Vaseline around cover slip
2. micro organism in center of cover slip
3. place concave slide on cover slip
Gram stain steps: - ANSWERS-1. Crystal Violet
2. Gram's Iodine
3. Ethyl Alcohol
4. Safranin Red
negative stain steps: - ANSWERS-1. nigrosin
, 2.heat loop
3.bacteria
4. slide to spread mixture
5. air dry
what can happen to a Gram stain if a smear is too heavy? -
ANSWERS-can't see cells
what happens to a Gram stain if a smear is too light.? - ANSWERS-
cells are scattered away or not enough
flatworm - ANSWERS--has gastrovascular cavity, functions as both
mouth and anus
- locomotion involves gliding
acid-fast stain steps: - ANSWERS-1. carbolfuchsin
2. acid alcohol
3. methylene blue
4. wash & dry
simple stain steps - ANSWERS-1. fixed smear slide
2. dyes
3. rinse & dry