201. To be antigen, the chemical molecule (protein) needs:
A. High molecular weight
B. Chemical complexity
C. Both “A” and “B” ✅
D. Nucleic acid
A. High molecular weight
B. Chemical complexity
C. Both “A” and “B” ✅
D. Nucleic acid
202. The immunity acquired by inoculation of living organism of attenuated virulence is:
A. Artificial active immunity ✅
B. Passive immunity
C. Natural active immunity
D. Local immunity
A. Artificial active immunity ✅
B. Passive immunity
C. Natural active immunity
D. Local immunity
203. Fluid extruded from clotted blood is known as ____.
A. Plasma
B. Serum ✅
C. buffy coat
D. Lymph
A. Plasma
B. Serum ✅
C. buffy coat
D. Lymph
204. Which PRR recognizes distinct molecular structures, abundant to many cells and there is ten in humans?
A. Nod-like receptors
B. RIG-like receptors
C. Toll-like receptors ✅
D. PAMP of neutrophils
A. Nod-like receptors
B. RIG-like receptors
C. Toll-like receptors ✅
D. PAMP of neutrophils
205. A signaling molecule from microbes recognized by phagocytes is:
A. Complement
B. PAMP ✅
C. Pyrogen
D. Lectin
A. Complement
B. PAMP ✅
C. Pyrogen
D. Lectin
206. Which of the following is NOT produced by phagocytes?
A. Hydroxyl radical
B. Superoxide anion
C. Hydrogen peroxide
D. Bradykinin ✅
A. Hydroxyl radical
B. Superoxide anion
C. Hydrogen peroxide
D. Bradykinin ✅
207. Acquired / adaptive immune cells include?
A. Lymphocytes ✅
B. Eosinophils
C. Basophils
D. Neutrophils
A. Lymphocytes ✅
B. Eosinophils
C. Basophils
D. Neutrophils
208. Reproduction in bacteria occurs by:
A. Budding
B. Bursting
C. Binary Fission ✅
D. Fragmentation
A. Budding
B. Bursting
C. Binary Fission ✅
D. Fragmentation
209. Bacteria eating viruses are known as:
A. Phagocytes
B. Viricides
C. Prophages
D. Bacteriophages ✅
A. Phagocytes
B. Viricides
C. Prophages
D. Bacteriophages ✅
210. Which of the following is Gram-positive bacteria?
A. Staphylococcus ✅
B. E. coli
C. Salmonella
D. Pseudomonas
A. Staphylococcus ✅
B. E. coli
C. Salmonella
D. Pseudomonas
211. In plasmid DNA isolation, ____________ is used to neutralize the solution, enabling DNA to renature.
A. NaCl
B. potassium acetate ✅
C. acetic acid
D. All of these
A. NaCl
B. potassium acetate ✅
C. acetic acid
D. All of these
212. In genomic DNA isolation, disruption of nucleoproteins and degradation of proteins is carried out by:
A. SDS
B. proteinase K ✅
C. isopropanol
D. Alcohol
A. SDS
B. proteinase K ✅
C. isopropanol
D. Alcohol
213. Streptococci are classified according to:
A. their cell walls antigens
B. reaction on blood agar
C. toxin production
D. Both “A” and “B” ✅
A. their cell walls antigens
B. reaction on blood agar
C. toxin production
D. Both “A” and “B” ✅
214. Selective media for TB bacilli is:
A. NNN media
B. Lowenstein–Jensen (LJ) medium ✅
C. Mannitol Salt Agar (MSA)
D. MacConkey media
A. NNN media
B. Lowenstein–Jensen (LJ) medium ✅
C. Mannitol Salt Agar (MSA)
D. MacConkey media
215. Widal test is used for:
A. Typhoid fever
B. Salmonella
C. Brucellosis
D. All of these ✅
A. Typhoid fever
B. Salmonella
C. Brucellosis
D. All of these ✅
216. All of the Salmonellae are motile EXCEPT:
A. S. typhi ✅
B. S. enteridis
C. S. gallinarum
D. S. chester
A. S. typhi ✅
B. S. enteridis
C. S. gallinarum
D. S. chester
217. Ascoli’s test helps to confirm lab diagnosis of _____.
A. Tetanus
B. Anthrax ✅
C. Typhoid
D. Cholera
A. Tetanus
B. Anthrax ✅
C. Typhoid
D. Cholera
218. Transfection is insertion of DNA into ______ cells.
A. bacterial
B. eukaryotic
C. Viruses
D. Both “A” and “B” ✅
A. bacterial
B. eukaryotic
C. Viruses
D. Both “A” and “B” ✅
219. In agarose gel electrophoresis, loading buffer gives ___________ to sample.
A. Color
B. Density
C. Shade
D. Both “A” & “B” ✅
A. Color
B. Density
C. Shade
D. Both “A” & “B” ✅
220. The virulence factor of botulism is a/an_______.
A. Endotoxin
B. Enterotoxin
C. Neurotoxin ✅
D. Hemolysin enzyme
A. Endotoxin
B. Enterotoxin
C. Neurotoxin ✅
D. Hemolysin enzyme
221. Which of the following is a spirochete?
A. Gonococci
B. Treponema ✅
C. Staphylococcus
D. Streptococcus
A. Gonococci
B. Treponema ✅
C. Staphylococcus
D. Streptococcus
222. Once the Phagosome and lysosome fuse, the structure is known as:
A. Lysophagosome
B. Macrophage
C. Membrane attack complex
D. Phagolysosome ✅
A. Lysophagosome
B. Macrophage
C. Membrane attack complex
D. Phagolysosome ✅
223. T-lymphocytes mature in which tissue/organ?
A. Thyroid
B. Bone marrow
C. Thymus ✅
D. Tonsils
A. Thyroid
B. Bone marrow
C. Thymus ✅
D. Tonsils
224. Place following events of phagocytosis in the order. 1.Chemotaxis 2.Ingestion 3.Digestion 4.Attachment
A. 1,2,4,3.
B. 4,1,2,3. ✅
C. 1,4,2,3.
D. 4,2,3,1.
A. 1,2,4,3.
B. 4,1,2,3. ✅
C. 1,4,2,3.
D. 4,2,3,1.
225. An enzyme found in our tears, saliva, serum, and mucus that degrades the peptidoglycan of the cell wall of Gram-positive bacteria is called?
A. Amylase
B. Lysozyme ✅
C. Keratinase
D. Peptidase
A. Amylase
B. Lysozyme ✅
C. Keratinase
D. Peptidase
226. Internalization of the pathogen via endocytosis encase the pathogen in a membrane vacuole known as a?
A. Lipid bilayer
B. Lysosome
C. Phagosome ✅
D. Phagolysosome
A. Lipid bilayer
B. Lysosome
C. Phagosome ✅
D. Phagolysosome
227. Which of the following is primarily human pathogenic bacteria?
A. S. typhi ✅
B. E. coli
C. S. aureus
D. Mycobacterium
A. S. typhi ✅
B. E. coli
C. S. aureus
D. Mycobacterium
228. An enrichment medium for Salmonella is ________.
A. Alkaline peptone water
B. MacConkey broth
C. Nutrient broth
D. Selenite F broth ✅
A. Alkaline peptone water
B. MacConkey broth
C. Nutrient broth
D. Selenite F broth ✅
229. TE buffer functions as:
A. Maintain pH
B. Block endonucleases
C. Both “A” and “B” ✅
D. Denature proteins
A. Maintain pH
B. Block endonucleases
C. Both “A” and “B” ✅
D. Denature proteins
230. Agarose gel electrophoresis is a widely-used method that separates molecules based on:
A. Electrical charge
B. Size ✅
C. Shape
D. All of these
A. Electrical charge
B. Size ✅
C. Shape
D. All of these
231. Which are components of INNATE IMMUNITY in respiratory system?
1. mucus 2. mucociliary escalator 3. normal flora 4. lysozyme 5. acidic environment
A. 1,2,5.
B. 1,3.
C. 1,2,3,4. ✅
D. 1,2,3.
1. mucus 2. mucociliary escalator 3. normal flora 4. lysozyme 5. acidic environment
A. 1,2,5.
B. 1,3.
C. 1,2,3,4. ✅
D. 1,2,3.
232. 0.7% agarose gel provides good resolution for _______ DNA, while 2% gel for ________ DNA.
A. Large, small
B. small, large
C. Both ‘A’ & ‘B’ ✅
D. None of these
A. Large, small
B. small, large
C. Both ‘A’ & ‘B’ ✅
D. None of these
233. Innate immunity involves all EXCEPT?
A. Anatomical barriers
B. Phagocytosis
C. Inflammatory mechanisms
D. Antibody production ✅
A. Anatomical barriers
B. Phagocytosis
C. Inflammatory mechanisms
D. Antibody production ✅
234. You enter a dusty room, feel an itch in your nose, and sneeze. This is an example of the operation of which of the following innate immune mechanism?
A. The low pH of the environment.
B. The physical barrier produced by hairs.
C. Phagocytosis by macrophages.
D. Mucus joint with movement of cilia of lining cells ✅
A. The low pH of the environment.
B. The physical barrier produced by hairs.
C. Phagocytosis by macrophages.
D. Mucus joint with movement of cilia of lining cells ✅
235. Which of the following is a distinction between the innate and adaptive immune systems?
A. Only one system to produce cytokines.
B. Antigenic specificity in only one system. ✅
C. Only one system to recognize virally infected cells.
D. Only one system to mediate cell cytotoxicity.
A. Only one system to produce cytokines.
B. Antigenic specificity in only one system. ✅
C. Only one system to recognize virally infected cells.
D. Only one system to mediate cell cytotoxicity.
236. Stomach clears out pathogens by?
A. Secreting HCl ✅
B. Normal microflora
C. Phagocytosis
D. All of these
A. Secreting HCl ✅
B. Normal microflora
C. Phagocytosis
D. All of these
237. Kupffer cells are macrophages found in_______.
A. Lung
B. Bone
C. Kidney
D. Liver ✅
A. Lung
B. Bone
C. Kidney
D. Liver ✅
238. Temperature rising chemicals are?
A. Thermogens
B. Pyrogens ✅
C. Pyogenic
D. All of these
A. Thermogens
B. Pyrogens ✅
C. Pyogenic
D. All of these
239. Physical barriers of immune system are:
A. Skin and the mucosal membranes. ✅
B. Skin, body temperature and mucosal membranes.
C. Skin, inflammation and the mucosal membranes.
D. The bones and the mucosal membranes.
A. Skin and the mucosal membranes. ✅
B. Skin, body temperature and mucosal membranes.
C. Skin, inflammation and the mucosal membranes.
D. The bones and the mucosal membranes.
240. Chemical barriers include:
A. Tears, sweat, saliva, stomach acid and feces. ✅
B. Tears, breast milk, sweat, saliva, stomach acid.
C. Hair, breast milk, sweat, saliva, stomach acid.
D. Tears and urine.
A. Tears, sweat, saliva, stomach acid and feces. ✅
B. Tears, breast milk, sweat, saliva, stomach acid.
C. Hair, breast milk, sweat, saliva, stomach acid.
D. Tears and urine.
241. Interferons protect which of the following?
A. Only viral infected cells
B. Only bacterial infected cells
C. Healthy host cells ✅
D. Blood cells
A. Only viral infected cells
B. Only bacterial infected cells
C. Healthy host cells ✅
D. Blood cells
242. RNA contains:
A. Alanine
B. Thymidine
C. Uracil ✅
D. Arginine
A. Alanine
B. Thymidine
C. Uracil ✅
D. Arginine
243. Time taken for a bacterium to multiple from 1 to 2?
A. Incubation time
B. Growth rate
C. Generation time ✅
D. Both “B” and “C”
A. Incubation time
B. Growth rate
C. Generation time ✅
D. Both “B” and “C”
244. Self-replicating, small circular DNA molecules present in bacterial cell are known:
A. Plasmids ✅
B. Cosmids
C. Plasmomeros
D. Plastids
A. Plasmids ✅
B. Cosmids
C. Plasmomeros
D. Plastids
245. Some of the dust particles are not expelled by sneeze and make their way further down the respiratory tract but not yet into the alveolar space. Here their elimination is the job of which of the following?
A. Released granular contents of your granulocytes.
B. The low pH of the environment.
C. The physical barrier produced by hairs.
D. Mucus joint with movement of cilia of lining cells ✅
A. Released granular contents of your granulocytes.
B. The low pH of the environment.
C. The physical barrier produced by hairs.
D. Mucus joint with movement of cilia of lining cells ✅
246. Formation of proteins in ribosomes occur through process known as:
A. Central dogma
B. Transcription
C. Translation ✅
D. Both “A” and “C”
A. Central dogma
B. Transcription
C. Translation ✅
D. Both “A” and “C”
247. Mostly bacteria grow in aerobic conditions, but some require more CO2 for their growth, these are known as:
A. Halophiles
B. Acidophiles
C. Capnophiles ✅
D. Hyperthermophiles
A. Halophiles
B. Acidophiles
C. Capnophiles ✅
D. Hyperthermophiles
248. Transfer of antibodies from mother to her baby through breast milk is example of:
A. Active natural acquired immunity
B. Passive artificial acquired immunity
C. Passive natural acquired immunity ✅
D. Active artificial acquired immunity
A. Active natural acquired immunity
B. Passive artificial acquired immunity
C. Passive natural acquired immunity ✅
D. Active artificial acquired immunity
249. Penicillin is an antibiotic obtained from?
A. A capsular bacterium
B. A yeast
C. A fungus ✅
D. An alga
A. A capsular bacterium
B. A yeast
C. A fungus ✅
D. An alga
250. Viruses that infect bacteria are known as ________.
A. virons
B. bacteroids
C. bacteriophages ✅
D. retrovirurses
A. virons
B. bacteroids
C. bacteriophages ✅
D. retrovirurses
251. The Kingdom of recyclers is known as _____.
A. Algae
B. Bacteria ✅
C. Fungi
D. Embryophata
A. Algae
B. Bacteria ✅
C. Fungi
D. Embryophata
252. Unicellular yeast cells reproduce by _______.
A. Sporing
B. Conidiation
C. Budding ✅
D. Both “A” and “B”
A. Sporing
B. Conidiation
C. Budding ✅
D. Both “A” and “B”
253. Interferons protect healthy cells by production of?
A. Antibacterial proteins
B. Antifungal proteins
C. Antiviral proteins ✅
D. Antiprotozoal proteins
A. Antibacterial proteins
B. Antifungal proteins
C. Antiviral proteins ✅
D. Antiprotozoal proteins
254. Branch of Microbiology related with study of fungi:
A. Protozoology
B. Phycology
C. Mycology ✅
D. Biotechnology
A. Protozoology
B. Phycology
C. Mycology ✅
D. Biotechnology
255. Penicillin acts by inhibiting:
A. Cell wall synthesis ✅
B. RNA synthesis
C. Folate synthesis
D. DNA gyrase
A. Cell wall synthesis ✅
B. RNA synthesis
C. Folate synthesis
D. DNA gyrase
256. Schizogony is mode of reproduction in:
A. Algae
B. Protozoa ✅
C. Fungi
D. Embryophata
A. Algae
B. Protozoa ✅
C. Fungi
D. Embryophata
257. Disease that effects many people at different countries is termed as:
A. Sporadic
B. Epidemic
C. Pandemic ✅
D. Endemic
A. Sporadic
B. Epidemic
C. Pandemic ✅
D. Endemic
258. Some bacteria form dormant structure during harsh environmental conditions is known as:
A. Endospore ✅
B. Capsule
C. Cyst
D. Bud
A. Endospore ✅
B. Capsule
C. Cyst
D. Bud
259. Many clostridial diseases require a/an _________ environment for their development.
A. living tissue
B. anaerobic ✅
C. aerobic
D. low-pH
A. living tissue
B. anaerobic ✅
C. aerobic
D. low-pH
260. Bacterial cells multiply rapidly during:
A. Lag phase
B. Log phase ✅
C. Death phase
D. Stationary phase
A. Lag phase
B. Log phase ✅
C. Death phase
D. Stationary phase
261. A group of fungal hyphae are called ______.
A. Filtering body
B. Mycelia ✅
C. Conidia
D. Yeast
A. Filtering body
B. Mycelia ✅
C. Conidia
D. Yeast
262. Most human pathogenic bacteria are:
A. Psychrophiles
B. Psychrotrophes
C. Thermophiles
D. Mesophiles ✅
A. Psychrophiles
B. Psychrotrophes
C. Thermophiles
D. Mesophiles ✅
263. DNA contains:
A. Alanine
B. Thymine ✅
C. Uracil
D. Arginine
A. Alanine
B. Thymine ✅
C. Uracil
D. Arginine
264. Type of immunity through vaccination is:
A. Active natural acquired immunity
B. Passive artificial acquired immunity
C. Passive natural acquired immunity
D. Active artificial acquired immunity ✅
A. Active natural acquired immunity
B. Passive artificial acquired immunity
C. Passive natural acquired immunity
D. Active artificial acquired immunity ✅
265. Shrinkage of the cell occur in ______ environment.
A. Hypotonic
B. Hypertonic ✅
C. Isotonic
D. Both “A” and “C”
A. Hypotonic
B. Hypertonic ✅
C. Isotonic
D. Both “A” and “C”
266. Bacterium is ________ type of organism.
A. Prokaryotic ✅
B. Eukaryotic
C. Acellular
D. May be prokaryotic or eukaryotic
A. Prokaryotic ✅
B. Eukaryotic
C. Acellular
D. May be prokaryotic or eukaryotic
267. Botulin toxin prevents release of what chemical that initiates the signal for muscle contraction?
A. Serotonin
B. Acetylcholine ✅
C. Dopamine
D. Norepinephrine
A. Serotonin
B. Acetylcholine ✅
C. Dopamine
D. Norepinephrine
268. An infection peculiar to swine causes _______ when transmitted to humans.
A. Anthrax
B. Diphtheria
C. Tuberculosis
D. Erysipeloid ✅
A. Anthrax
B. Diphtheria
C. Tuberculosis
D. Erysipeloid ✅
269. ____ DOES NOT predispose to gas gangrene?
A. Surgical incisions
B. Compound fractures
C. Puncture wounds
D. Dislocated shoulder ✅
A. Surgical incisions
B. Compound fractures
C. Puncture wounds
D. Dislocated shoulder ✅
270. In general, humans are rather prone to ____ with tubercle bacillus but are resistant to ____?
A. disease, infection
B. infection, disease ✅
C. TB, Leprosy
D. Leprosy, TB
A. disease, infection
B. infection, disease ✅
C. TB, Leprosy
D. Leprosy, TB
271. Malaria is caused by pathogen known as ______.
A. Plasmodium ✅
B. Paramecium
C. Pseudomonas
D. Pasteurella
A. Plasmodium ✅
B. Paramecium
C. Pseudomonas
D. Pasteurella
272. First phase of a bacterial growth curve is
A. Log phase
B. Lag phase ✅
C. γ phase
D. Exponential
A. Log phase
B. Lag phase ✅
C. γ phase
D. Exponential
273. Spirochete bacteria move with the help of:
A. Pseudopodia
B. Axial filament ✅
C. Endoflagella
D. Both “B” and “C”
A. Pseudopodia
B. Axial filament ✅
C. Endoflagella
D. Both “B” and “C”
274. Viruses are:
A. Living
B. Non-Living ✅
C. Only living inside cells
D. Capsular
A. Living
B. Non-Living ✅
C. Only living inside cells
D. Capsular
275. All of the following prokaryotes are bounded by a cell wall EXCEPT?
A. Spirochetes
B. Actinomycetes
C. Mycoplasma ✅
D. Streptococcus
A. Spirochetes
B. Actinomycetes
C. Mycoplasma ✅
D. Streptococcus
276. Tubercles are granulomas with a central core containing TB bacilli and enlarged ______.
A. Neutrophils
B. Lymphocytes
C. Eosinophils
D. Macrophages ✅
A. Neutrophils
B. Lymphocytes
C. Eosinophils
D. Macrophages ✅
277. Conversion of DNA to RNA is:
A. Transcription ✅
B. Transduction
C. Translation
D. Replication
A. Transcription ✅
B. Transduction
C. Translation
D. Replication
278. The bases Adenine and Thymine are paired with:
A. Double hydrogen bonds
B. Single hydrogen bonds ✅
C. Triple hydrogen bonds
D. Both “B” and “C”
A. Double hydrogen bonds
B. Single hydrogen bonds ✅
C. Triple hydrogen bonds
D. Both “B” and “C”
279. Fungi reproduce by:
A. Sexual Spores
B. Fragmentation
C. Asexual spores
D. All of these ✅
A. Sexual Spores
B. Fragmentation
C. Asexual spores
D. All of these ✅
280. For TB control, vaccine is based on attenuated “Bacille Calmette-Guérin” (BCG) strain of _______.
A. Mycobacterium tuberculosis
B. Mycobacterium avium complex
C. Mycobacterium bovis ✅
D. Mycobacterium paratuberculosis
A. Mycobacterium tuberculosis
B. Mycobacterium avium complex
C. Mycobacterium bovis ✅
D. Mycobacterium paratuberculosis
281. Antibiotics are the drugs which commonly kill?
A. Bacteria ✅
B. Virus
C. Algae
D. Protozoa
A. Bacteria ✅
B. Virus
C. Algae
D. Protozoa
282. Genital herpes is caused by?
A. HSV-1
B. HSV-2 ✅
C. HSV-3
D. HSV-4
A. HSV-1
B. HSV-2 ✅
C. HSV-3
D. HSV-4
283. Blood agar is an example of:
A. Enrichment media
B. Selective media
C. Enriched media ✅
D. General purpose media
A. Enrichment media
B. Selective media
C. Enriched media ✅
D. General purpose media
284. A mutation that produces termination codon is:
A. Mis-sense mutation
B. Reverse mutation
C. Non-sense mutation ✅
D. Frame shift mutation
A. Mis-sense mutation
B. Reverse mutation
C. Non-sense mutation ✅
D. Frame shift mutation
285. Gas gangrene bacillus is:
A. Facultative anaerobe
B. Obligate aerobe
C. Facultative aerobe
D. Obligate anaerobe ✅
A. Facultative anaerobe
B. Obligate aerobe
C. Facultative aerobe
D. Obligate anaerobe ✅
286. If vector ONLY transmits pathogen is called:
A. Biological vector ✅
B. Biological reservoir
C. Biological carrier
D. Mechanical vector
A. Biological vector ✅
B. Biological reservoir
C. Biological carrier
D. Mechanical vector
287. What genus of organisms is important as decomposers and involve in bioremediation?
A. Pseudomonas ✅
B. Brucella
C. Francisella
D. Bordetella
A. Pseudomonas ✅
B. Brucella
C. Francisella
D. Bordetella
288. Brucellosis is spread from human to human contact with ALL BUT which of the following?
A. Blood
B. Urine
C. Placenta
D. Cerebrospinal fluid ✅
A. Blood
B. Urine
C. Placenta
D. Cerebrospinal fluid ✅
289. What enzyme possessed by Helicobacter pylori helps to neutralize stomach acid?
A. Coagulase
B. Urease ✅
C. Hyaluronidase
D. DNase
A. Coagulase
B. Urease ✅
C. Hyaluronidase
D. DNase
290. The technique used to kill all microorganisms is:
A. Disinfection
B. Sterilization ✅
C. Antisepsis
D. Pasteurization
A. Disinfection
B. Sterilization ✅
C. Antisepsis
D. Pasteurization
291. Glassware are sterilized by:
A. Hot air oven
B. Autoclave ✅
C. Incineration
D. Boiling
A. Hot air oven
B. Autoclave ✅
C. Incineration
D. Boiling
292. ________ CAN NOT be found in the lymph node?
A. Lymphoid follicle
B. B cells
C. Red pulp ✅
D. T cells
A. Lymphoid follicle
B. B cells
C. Red pulp ✅
D. T cells
293. Virulence of tubercle bacillus is due to _______ that avoid destruction by lysosomes/macrophages.
A. Exotoxin
B. Cord factor ✅
C. Enterotoxin
D. Endotoxin
A. Exotoxin
B. Cord factor ✅
C. Enterotoxin
D. Endotoxin
294. The form of leprosy associated with severe disfigurement of the face is:
A. Tuberculoid
B. Lepromatous ✅
C. Borderline
D. Papular
A. Tuberculoid
B. Lepromatous ✅
C. Borderline
D. Papular
295. Diphtheria is caused by:
A. Staphylococcus
B. Corynebacterium ✅
C. Bacillus
D. Clostridium
A. Staphylococcus
B. Corynebacterium ✅
C. Bacillus
D. Clostridium
296. ______ reside in sebaceous glands in human skin?
A. Bacillus
B. Propionibacterium ✅
C. Erysipelothrix
D. Corynebacterium
A. Bacillus
B. Propionibacterium ✅
C. Erysipelothrix
D. Corynebacterium
297. The largest virus is:
A. Parvo virus
B. Picorna virus
C. Pox virus ✅
D. HIV
A. Parvo virus
B. Picorna virus
C. Pox virus ✅
D. HIV
298. Endospores can be stained with:
A. Malachite green ✅
B. Safranin
C. Methylene blue
D. Crystal Violet
A. Malachite green ✅
B. Safranin
C. Methylene blue
D. Crystal Violet
299. All of the following are DNA viruses EXCEPT:
A. Parvo virus
B. Pox virus
C. Polio virus ✅
D. Hepatitis B Virus
A. Parvo virus
B. Pox virus
C. Polio virus ✅
D. Hepatitis B Virus
300. Comparing the two, Actinomyces ______ sulfur granules and Nocardia is _______.
A. Form; Acid-fast
B. Form; Not acid-fast ✅
C. Does not form; Acid-fast
D. Does not form; Not acid-fast
A. Form; Acid-fast
B. Form; Not acid-fast ✅
C. Does not form; Acid-fast
D. Does not form; Not acid-fast
