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