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