Navigation » List of Schools » East Los Angeles College » Microbiology » Microbiology 020 – General Microbiology » Fall 2021 » Exam 1
Below are the questions for the exam with the choices of answers:
Question #1
A hydrogen bonds
B hydrophobic molecules
C repeating monomers
D repeating carbohydrates
E electrolytic molecules
Question #2
A microtubules
B None of the choices are correct.
C Cilia
D flagella
E filaments
Question #3
A attachment and motility
B protection and motility
C motility and slime production
D energy reactions and synthesis
E attachment and protection
Question #4
A peptidase
B penicillinase
C All of the choices are correct.
D None of the choices are correct.
E lysozyme
Question #5
A Protozoan cysts are necessary for the infection of intermediate hosts while the trophozoites are the stage that infects definitive hosts.
B Protozoan cysts are a survival form that allows them to survive adverse environmental conditions between hosts.
C Protozoan cysts are a reproductive stage.
D Protozoan cysts are the active, growing stage of the organism.
Question #6
A pores
B histones
C endoplasmic reticulum
D inclusions
E chromatin
Question #7
A dark field
B bright field
C electron
D fluorescence
E phase contrast
Question #8
A Is solid at room temperature
B Can be inoculated and poured at a temperature that is not harmful
C Is digested by most microbes
D Holds moisture
E Has flexibility
Question #9
A triglycerides
B waxes
C phospholipids
D prostaglandins
E steroids
Question #10
A Heterotroph – synthesize organic nutrients using light energy and CO2
B Saprobe – obtain nutrients from the remains of dead plants and animals
C Parasite – obtain nutrients from a living organism to the detriment of that organism
Question #11
A nucleic acids
B carbohydrates
C polysaccharides
D enzymes
E amino acids
Question #12
A It can cause septic shock in the human body
B It can stimulate fever in the human body
C It is involved in typhoid fever and some meningitis cases
D It is found in acid-fast bacterial cell walls
E It is a specific cell wall lipid
Question #13
A found in archaea
B acid fast
C a spheroplast
D gram-positive
E gram-negative
Question #14
A amino acids
B nucleotides
C glycerol and fatty acids
D monosaccharides
E phosphate, glycerol, and fatty acids
Question #15
A None of the choices is correct.
B move in response to light
C move in response to a chemical
D transport desired molecules into cells
E not move in response to a chemical
Question #16
A phosphorous
B oxygen
C hydrogen
D nitrogen
E carbon
Question #17
A mold
B algae
C euglena
D fungus
E green plant
Question #18
A mastigophora
B apicomplexa/sporozoa
C None of the choices are correct.
D amoeba/sarcodina
E ciliophora
Question #19
A Tetrad
B Coccus
C Vibrio
D Rod
E Spirochete
Question #20
A Store the genetic information of the cell
B Assemble amino acids into polypeptides
C Control the transport of materials into and out of the cell
D Contain hydrolytic enzymes to digest macromolecules
E Provide cell with energy through cell respiration
Question #21
A add contrast in order to see them better
B kill them
C enlarge the cells
D see motility
E secure them to the slide
Question #22
A acid-fast or Ziehl-Neelson
B capsule
C flagellar
D simple
E differential
Question #23
A colony
B incubator
C streak
D loop
E inoculum
Question #24
A Lack a nucleus
B Cannot be seen without a microscope
C Contain genetic material
D Lack cell structure
E Cause human disease
Question #25
A None of the choices are correct.
B the last common ancestor
C archaea
D bacteria
E prokaryotes
Question #26
A enriched
B synthetic
C complex
D reducing
E minimal
Question #27
A negative phototaxis
B negative chemotaxis
C a tumble
D positive phototaxis
E positive chemotaxis
Question #28
A A DNA virus, a bacteria and a photosynthetic prokaryote fused to form a nucleus, a chloroplast and a mitochondria
B A photosynthetic bacterial cell and an aerobic bacterial cell fused to become a larger, eukaryotic cell
C A eukaryotic cell ingested a bacterial cell and the organelles fused producing a larger cell
D A pre-eukaryotic cell was infected by a prokaryote, and symbiosis between the two cell types gave rise to the modern-day eukaryotic cell
Question #29
A helminths
B yeasts and molds
C algae and protozoa
D All of the choices are correct.
E None of the choices are correct.
Question #30
A Mitochondria
B All of the choices are correct.
C Endoplasmic reticulum
D Lysosomes
E Nucleus
Question #31
A slime coat
B None of the choices is correct.
C pathogenic package
D envelope
E glycocalyx
Question #32
A Have cell walls
B Heterotrophic nutrition
C Photosynthetic
D Include single-celled and filamentous forms
E Can use a wide variety of nutrients
Question #33
A nucleolus
B chromatin
C nuclear envelope
D nucleosome
E nucleoplasm
Question #34
A contamination
B isolation
C immunization
D inoculation
E infection
Question #35
A bacteria
B infectious particles
C protozoa
D parasitic worms
E molds
Question #36
A None of the choices are correct.
B Spread plate
C Pour plate
D Streak plate
E All of the choices are correct.
Question #37
A mitochondria
B lysosomes
C endoplasmic reticulum
D chloroplasts
E Golgi apparatus
Question #38
A Loop
B Pipette
C Swab
D Needle
E Petri dish
Question #39
A gram-positive organisms
B mycoplasmas
C gram-negative organisms
D cyanobacteria
E archaea
Question #40
A monounsaturated
B polyunsaturated
C saturated
D None of the choices are correct.
E unsaturated
Question #41
A cilia
B fimbriae
C flagella
D sex pili
E periplasmic flagella (axial filaments)
Question #42
A Reception of chemical signals
B Movement
C Adherence
D Protection
E All of the choices are functions.
Question #43
A All of the choices are correct.
B Phosphate
C Fatty acids
D Alcohol
E Glycerol
Question #44
A Nucleus
B Cytoplasmic membrane
C Ribosomes
D DNA
Question #45
A enzymes for metabolism
B 70S ribosomes (prokaryote)
C cristae
D enzymes for photosynthesis
E electron transport chain proteins
Question #46
A The culture medium must be differential.
B The incubation temperature was incorrect.
C The culture is contaminated.
D The microbiologist used too much inoculum.
E The culture medium must be selective.
Question #47
A cytoplasm; endoplasmic reticulum
B nucleus; endoplasmic reticulum
C cytoplasm; Golgi apparatus
D nucleus; Golgi apparatus
Question #48
A slime layers
B cell walls
C capsules
D inclusions
E cell membranes
Question #49
A ribosomes
B cell membrane
C inclusions
D cell wall
E mitochondria
Question #50
A nosepiece
B condenser
C stage
D ocular
E objective