BIOL 3201 Auburn Final Exam with All
Correct and Complete Answers
2026/2027 Updated.
You should wash your hands when.... - Answer entering and before leaving the lab
What is disposed of in the biohazard can? - Answer petri plates
what type of paper is used to clean your microscope? - Answer lens paper
simplest form of microscopy where light is either passed through or reflected off of a specimen -
Answer brightfield microscopy
lab coats can be worn outside the lab - Answer false
open toe shoes are acceptable lab footwear - Answer false
loops are sterilized by - Answer flaming them using a bunsen burner
Taking precautions to prevent the contamination of others, yourself, your surroundings, and
your lab supplies is known as... - Answer aseptic technique
What is the name of the microscope lens that have the magnifying powers of 10X, 40X, and
100X? - Answer objectives
The organisms used in the General Microbiology lab fall under which biosafety levels? - Answer
1 and 2
Biosafety level designation used to describe microorganisms that are dangerous and exotic with
high risk of aerosol transmitted infections. Rarely are there treatments or vaccines for these
microorganisms, and the diseases they cause are frequently fatal. - Answer BSL 4
In the lab, if you have long hair,..... - Answer it must be tied back
"Ubiquity of microorganisms" means... - Answer microorganisms are everywhere
, where are slides, pipettes, and swabs discarded? - Answer sharps container
What type of paper is used to clean your microscope? - Answer lens paper
Reagent used to test for catalase enzyme. - Answer hydrogen peroxide
Catalase degrades ______ to water and oxygen. - Answer hydrogen peroxide
decolorizer for gram stain - Answer ethanol
gram negative bacteria stain - Answer pink/red
The catalase test determines the presence or absence of cytochrome oxidase in you organism. -
Answer false
Gram stain primary stain. - Answer crystal violet
The Gram stain is a _____ stain. - Answer differential
Mordant for Gram stain. - Answer iodine
Gram positive bacteria stain... - Answer purple
You should add water to the slide when making a smear preparation from liquid media. -
Answer false
The most common mistake when making a smear preparation is - Answer placing too many
bacteria on the slide
The starch hydrolysis test detects the production of.... - Answer amylase
A/an _______ medium contains substances that cause some bacteria to take on an appearance
that distinguishes it from other bacteria. - Answer differential
In a phenol red carbohydrate tube, the presence of ____ is indicated by a color change of the
pH indicator phenol red. - Answer acid
Correct and Complete Answers
2026/2027 Updated.
You should wash your hands when.... - Answer entering and before leaving the lab
What is disposed of in the biohazard can? - Answer petri plates
what type of paper is used to clean your microscope? - Answer lens paper
simplest form of microscopy where light is either passed through or reflected off of a specimen -
Answer brightfield microscopy
lab coats can be worn outside the lab - Answer false
open toe shoes are acceptable lab footwear - Answer false
loops are sterilized by - Answer flaming them using a bunsen burner
Taking precautions to prevent the contamination of others, yourself, your surroundings, and
your lab supplies is known as... - Answer aseptic technique
What is the name of the microscope lens that have the magnifying powers of 10X, 40X, and
100X? - Answer objectives
The organisms used in the General Microbiology lab fall under which biosafety levels? - Answer
1 and 2
Biosafety level designation used to describe microorganisms that are dangerous and exotic with
high risk of aerosol transmitted infections. Rarely are there treatments or vaccines for these
microorganisms, and the diseases they cause are frequently fatal. - Answer BSL 4
In the lab, if you have long hair,..... - Answer it must be tied back
"Ubiquity of microorganisms" means... - Answer microorganisms are everywhere
, where are slides, pipettes, and swabs discarded? - Answer sharps container
What type of paper is used to clean your microscope? - Answer lens paper
Reagent used to test for catalase enzyme. - Answer hydrogen peroxide
Catalase degrades ______ to water and oxygen. - Answer hydrogen peroxide
decolorizer for gram stain - Answer ethanol
gram negative bacteria stain - Answer pink/red
The catalase test determines the presence or absence of cytochrome oxidase in you organism. -
Answer false
Gram stain primary stain. - Answer crystal violet
The Gram stain is a _____ stain. - Answer differential
Mordant for Gram stain. - Answer iodine
Gram positive bacteria stain... - Answer purple
You should add water to the slide when making a smear preparation from liquid media. -
Answer false
The most common mistake when making a smear preparation is - Answer placing too many
bacteria on the slide
The starch hydrolysis test detects the production of.... - Answer amylase
A/an _______ medium contains substances that cause some bacteria to take on an appearance
that distinguishes it from other bacteria. - Answer differential
In a phenol red carbohydrate tube, the presence of ____ is indicated by a color change of the
pH indicator phenol red. - Answer acid
