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This section includes 859 Mcqs, each offering curated multiple-choice questions to sharpen your Cloud Computing knowledge and support exam preparation. Choose a topic below to get started.
301. |
Conditions required for autoclave is ? |
A. | 121 Degree C temperature for 20 min |
B. | 121 Degree C temperature for 15 min |
C. | 100 Degree C temperature for 60 min |
D. | 100 Degree C temperature for 90 min |
Answer» C. 100 Degree C temperature for 60 min | |
302. |
Overactivity of Th cells may result into |
A. | optimal antibody response |
B. | autoimmunity |
C. | none of the above |
D. | optimal cell-mediated response |
Answer» B. autoimmunity | |
303. |
All are Glycoproteins except |
A. | Immunoglobulins |
B. | Albumin |
C. | hCG |
D. | Complements |
Answer» C. hCG | |
304. |
When was Sault Saint Marie founded? |
A. | 1668 |
B. | 1507 |
C. | 1624 |
D. | 1562 |
Answer» B. 1507 | |
305. |
Action of Papain on an IgG molecule produces ? |
A. | 2 Fc fragments and 1 Fab fragment |
B. | 1 Fc fragment and 2 Fab fragments |
C. | 2 Fc fragments and 2 Fab fragments |
D. | 1 Fc fragment and 1 Fab fragment |
Answer» C. 2 Fc fragments and 2 Fab fragments | |
306. |
What is true about Histoplasmosis ? |
A. | Hyphal forms are infections form |
B. | Person to person spread occurs by droplet infection |
C. | In early stages it is indistinguishable from T.B. |
D. | Culture is not diagnostic |
Answer» D. Culture is not diagnostic | |
307. |
All of the following clinical features are associated with Enteroviruses except: |
A. | Herpangina |
B. | Hemorrhagic fever |
C. | Myocarditis |
D. | Pleurodynia |
Answer» C. Myocarditis | |
308. |
High energy transfer compounds are capable of |
A. | transferring large amounts of free energy |
B. | accepting large amounts of free energy |
C. | none of the above |
D. | measuring free energy |
Answer» B. accepting large amounts of free energy | |
309. |
The rate of flux of oxygen in air is __________ to/than the rate of flux of oxygen in water. |
A. | lesser |
B. | greater |
C. | half |
D. | approximately equal |
Answer» D. approximately equal | |
310. |
Virus mediated transfer of host DNA from one cell to another is known as: |
A. | Transcription. |
B. | Integration. |
C. | Transduction. |
D. | Transformation. |
Answer» D. Transformation. | |
311. |
A beta hemolytic bacteria is resistant to vancomycin shows growth in 6.5% NaCl,is non bile sensitive;It is likely to be: |
A. | Strep.pneumoniae |
B. | Strep.agalactiae |
C. | Strep. bovis |
D. | Enterococcus |
Answer» E. | |
312. |
An eight year old child with history of pain and discharge from right ear presents with fever,neck rigidity and a positive Kerning's sign.Discharge was stained with gram stain which revealed gram positive cocii.Which of the following is the most likely organism. |
A. | Staphylococcus |
B. | H.Influenzae |
C. | Pseudomonas |
D. | Pneumococcus |
Answer» E. | |
313. |
Rearding gas gangrene one of the following is correct: |
A. | The clinical features are due to the release of protein endotoxin |
B. | Gas is in invariably present in the muscle compartments. |
C. | It is due to clostridium Botulinum infection |
D. | Clostridial species are gram-negative spore forming anerobes |
Answer» C. It is due to clostridium Botulinum infection | |
314. |
Hydroxonium ions |
A. | are highly ionic |
B. | can only exist in water |
C. | None of Above |
D. | Both A and B |
Answer» E. | |
315. |
The capsule of Cryptococcus neoformans in a CSF sample is best seen by: |
A. | India ink preparation. |
B. | Grams stain. |
C. | Methanamine-silver stain. |
D. | Giemsa stain. |
Answer» B. Grams stain. | |
316. |
A farmer rearing sheep,presented with complaints of fever and weakness for the last one month.There is generalised lymphadenopathy.There was also associated hepatomegaly Biopsy of liver showed non caseating granuloma.These are most likely due to infection with:- |
A. | Yersinia pestis |
B. | Brucella Canis |
C. | Francisella tularensis |
D. | Brucella melitenesis |
Answer» E. | |
317. |
Which of the following acts as an opsonin ? |
A. | C3a |
B. | C3b |
C. | C5a |
D. | LTB4 |
Answer» C. C5a | |
318. |
Which of the following acts as a chemoattractant ? |
A. | C5a |
B. | C3a |
C. | C3b |
D. | LTB4 |
Answer» D. LTB4 | |
319. |
Diagnostic of Rabies- |
A. | Negri bodies |
B. | Guarneri bodies |
C. | Bollinger bodies |
D. | Cowdry A body |
Answer» B. Guarneri bodies | |
320. |
All of the following are glycoproteins except: |
A. | Albumin |
B. | Blood antigen |
C. | HCG |
D. | Immunoglobin |
Answer» B. Blood antigen | |
321. |
Epstein Barr (EB) virus has been implicated in the following malignancies except: |
A. | Naspharyngeal carcinoma |
B. | Multiple myeloma |
C. | Hodgkin's disease |
D. | Non-Hodgkin's lymphoma |
Answer» C. Hodgkin's disease | |
322. |
All of the following statements about carbohydrate antigens are true, except |
A. | T cell independent immunity |
B. | Polyclonal response |
C. | Good memory response |
D. | Poor immunogenicity |
Answer» D. Poor immunogenicity | |
323. |
Selective media for Vibrio cholerae - |
A. | Skirrow medium |
B. | Ceftrioxone broth |
C. | TCBS medium- Thisulfate, Citrate, Bile salt and Sucrose |
D. | Thayer martin medium |
Answer» D. Thayer martin medium | |
324. |
The reaction between antibody and soluble antigen is demonstrated by |
A. | Agglutination |
B. | Precipitation |
C. | Complement fixation test |
D. | Hemagglutination test |
Answer» B. Precipitation | |
325. |
Bonding structure refers to the |
A. | arrangement of electrons |
B. | elements forming it |
C. | water of crystallization |
D. | arrangement of resulting particles |
Answer» E. | |
326. |
Bacteria, as a group, are responsible for |
A. | sulfur oxidation |
B. | nitrogen oxidation |
C. | all of these |
D. | nitrogen fixation |
Answer» D. nitrogen fixation | |
327. |
True regarding anthrax is all except - |
A. | Caused insect bite |
B. | Caused by rubbing of skin |
C. | Cutaneous type is rare nowadays |
D. | Pulmonary infection occurs in inhalation |
Answer» B. Caused by rubbing of skin | |
328. |
Lepra cell are ? |
A. | Histiocytes |
B. | Monocytes |
C. | Lymphocytes |
D. | N K cells |
Answer» B. Monocytes | |
329. |
Which hepatitis virus is notorious for causing a chronic hepatitis evolving cirrhosis? |
A. | Hepatitis C virus |
B. | Hepatitis B virus |
C. | Hepatitis E virus |
D. | Cytomegalo virus |
Answer» B. Hepatitis B virus | |
330. |
Haverhill fever is caused by: |
A. | Burkholderia cepacia |
B. | Capnocytophaga |
C. | Streptobacillus moniliformis |
D. | Stenotrophomonas maltophila |
Answer» D. Stenotrophomonas maltophila | |
331. |
Nitrifying bacteria can not be isolated directly by the usual techniques employed to isolate hetrotrophic bacteria. The reasons may be due to |
A. | medium growth |
B. | slow growth |
C. | none of these |
D. | fast growth |
Answer» C. none of these | |
332. |
A 4 years old child presents with acute watery diarrhoea and abdominal cramps. Stool microscopy reveals trophozoites with falling leaf motility. The etiological agent is - |
A. | Entamoeba histolytica |
B. | Giardia lamblia |
C. | Trichomonas tenax |
D. | Balantidium coli |
Answer» C. Trichomonas tenax | |
333. |
Bowel obstruction is most likely associated with: |
A. | Intestinal tuberculosis |
B. | Typhoid fever |
C. | Shigellosis |
D. | Schistosomiasis |
Answer» B. Typhoid fever | |
334. |
All statements are true for Chylamydia psittacosis except: |
A. | Acquired from bird's dropings |
B. | Causes urethreitis |
C. | Causes pneumonia |
D. | Treatment is tetracycline |
Answer» C. Causes pneumonia | |
335. |
In order to get inorganic phosphorous into organic compounds, the phosphate ion is incorporated via |
A. | oxidative phosphorylation |
B. | substrate level phosphorylation |
C. | DNA |
D. | both ( and ( |
Answer» E. | |
336. |
Viruses attacking the bacterial cells are |
A. | bacteriocytes |
B. | bacterioplasts |
C. | saprophytes |
D. | bacteriophages |
Answer» E. | |
337. |
Phenol test or Reidel walker test is due to determine ? |
A. | Hardness of water |
B. | Chlorine demand |
C. | Quality of disinfectant |
D. | Efficacy of disinfectant |
Answer» E. | |
338. |
A former from the sub-Himalayan region presents with multiple leg ulcers.The most likely causative agent is: |
A. | Cladosporium species |
B. | Trichophyton Rubrum |
C. | Aspergillus |
D. | Sporothrix Schenkii |
Answer» E. | |
339. |
Mycobacterium non-pathogenic to man: |
A. | M.bovis |
B. | M.kansaii |
C. | M.avium intracellulare |
D. | M.phlei |
Answer» E. | |
340. |
The oldest eukaryotic organisms are considered to be |
A. | archaea |
B. | diplomonads like Giardia |
C. | animals |
D. | fungi |
Answer» B. diplomonads like Giardia | |
341. |
The toxins produced by bacteria |
A. | encourage bacterial reproduction |
B. | kill viruses |
C. | all of the above |
D. | interfere with physiological processes in the body |
Answer» E. | |
342. |
Chlamydia Trachomatis, false is - |
A. | Reticulate body devies by binary fission |
B. | Inside the cell it evades phagolysosome |
C. | Elementry body is metabolically active |
D. | It is biphasic |
Answer» D. It is biphasic | |
343. |
Most common presenting symptom of thread worm infection amongst the following is: |
A. | Urticaria |
B. | Vaginitis |
C. | Abdominal pain |
D. | Rectal prolapse |
Answer» D. Rectal prolapse | |
344. |
a 3 years old child presented to the pediatrician with meningitis.A presumptive diagnosis of late onset of a perinatal infection was made.The CSF culture was positive for gram positive bacilli.Which of the following characteristic of this bacteria would be helpful in differentiating it from other bacteria agent - |
A. | Ability to grow on blood agar |
B. | Ability to produce catalase |
C. | Fermentative attack on sugars |
D. | Motility at 25 Degree C |
Answer» E. | |
345. |
The chemical formula of rouge pigment is |
A. | Fe3O4 |
B. | Fe2O3 |
C. | FeNO3 |
D. | FeSO4 |
Answer» C. FeNO3 | |
346. |
What did Michael Faraday discover in 1845? |
A. | Diamagnetism |
B. | Bunsen burner |
C. | Curium |
D. | Laws of electrolysis |
Answer» B. Bunsen burner | |
347. |
Consumption of uncooked pork is likely to cause which of the following helminthic disease: |
A. | Tinea solium |
B. | Tinea saginata |
C. | Trichuris trichura |
D. | Hydatid cyst |
Answer» B. Tinea saginata | |
348. |
Streptococcus sanguis is responsible for: |
A. | Intraabdominal abscess |
B. | Endocarditis |
C. | Urinary tract infection |
D. | Dental caries |
Answer» C. Urinary tract infection | |
349. |
All the following are true about Nosocomial infections except |
A. | May manifest within 48 hrs of admission |
B. | May develop after discharge of patient from the hospital |
C. | Denote a new condition which is unrelated to the patient's primary conditions |
D. | May already present at the time of admission |
Answer» E. | |
350. |
Which one is not studied in microbiology? |
A. | Animal behaviour |
B. | Bacteria |
C. | Algae |
D. | Fungi |
Answer» B. Bacteria | |