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MCQOPTIONS
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.
| 251. |
Photochromogenic strain of Mycobacterium species is |
| A. | M. kansasii |
| B. | M. scrofulaceum |
| C. | M. avium intracellulare |
| D. | M. smegmatis |
| Answer» B. M. scrofulaceum | |
| 252. |
The word cell was first used by |
| A. | Theodor Schwann |
| B. | Robert Hooke |
| C. | Ronald Ross |
| D. | Louis Pasteur |
| Answer» C. Ronald Ross | |
| 253. |
Infective form for mosquito in Plasmodium falciparum is - |
| A. | Sporozoites |
| B. | Merozoites |
| C. | Trophozoites |
| D. | Gametocytes |
| Answer» E. | |
| 254. |
Continuous cell line for viruses not present for ? |
| A. | Vero |
| B. | Hep2 |
| C. | WT-38 |
| D. | Hela |
| Answer» D. Hela | |
| 255. |
Acute Meningoencephalitis is caused by ? |
| A. | Acantamoeba |
| B. | Nageleria |
| C. | Meningococcus |
| D. | Balmuthia |
| Answer» C. Meningococcus | |
| 256. |
Which of the following is true about Enteropathogenic E coli |
| A. | Causes diarrhea in infants |
| B. | Acts by invasion of intestinal epithelial cells |
| C. | Adults are mostly affected |
| D. | Affects immunocompromised host |
| Answer» B. Acts by invasion of intestinal epithelial cells | |
| 257. |
Isolation of Chlamydia from tissue specimen can be done by |
| A. | Yolk sac inoculation |
| B. | ELISA (Enzyme Linked Immune Assay) |
| C. | Polymerase Chain Reaction (PCR) |
| D. | Direct Immunofluorescence Antibody test (DFA) |
| Answer» B. ELISA (Enzyme Linked Immune Assay) | |
| 258. |
What is the length of a year of Mercury? |
| A. | 87.969 days |
| B. | 92.245 days |
| C. | 164.321 days |
| D. | 47.701 days |
| Answer» B. 92.245 days | |
| 259. |
Viral hemorragic fever caused by all except - |
| A. | Arenaviridge |
| B. | Bunayaviridae |
| C. | Calciviridae |
| D. | Flaviviriade |
| Answer» D. Flaviviriade | |
| 260. |
In hypothalamus, heat loss center is activated if |
| A. | the day is sunny |
| B. | the day is cold |
| C. | rate of metabolism is reduced |
| D. | vasoconstriction is followed |
| Answer» B. the day is cold | |
| 261. |
A vaccine for Rabies was first developed by - |
| A. | Louis Pasteur |
| B. | Robert Koch |
| C. | Edward Jenner |
| D. | Landsteiner |
| Answer» B. Robert Koch | |
| 262. |
Who was a KGB agent, held an important position in MI6 and defected to USSR in 1963? |
| A. | Anthony Blunt |
| B. | Guy Burgess |
| C. | Donald Maclean |
| D. | Kim Philby |
| Answer» E. | |
| 263. |
All of the following statements about staphylococcus aureus are true, except |
| A. | Epidermolysin and TSS toxin are superantigens |
| B. | Methicillin Resistance is chromosomally mediated. |
| C. | Most common source of infection is cross infection from infected people |
| D. | About 30% of general population is healthy nasal carriers |
| Answer» D. About 30% of general population is healthy nasal carriers | |
| 264. |
Which virus reactives and involves the eye: |
| A. | E.B.virus |
| B. | Entero-70 |
| C. | Herpes-zoster |
| D. | CMV |
| Answer» D. CMV | |
| 265. |
Which of the following is a characteristic unique to the ciliates? |
| A. | Presence of both a macronucleus and several micronuclei |
| B. | Use of cilia as a sensory function |
| C. | Possess a light-detecting eye spot |
| D. | Both ( and ( |
| Answer» E. | |
| 266. |
True about Wiskott aldrich syndrome is ? |
| A. | Primary defect is B cell defect |
| B. | Primary defect is T cell defect |
| C. | Wasp gene mutation |
| D. | Defect in phagocytosis |
| Answer» D. Defect in phagocytosis | |
| 267. |
Epiglottis is a |
| A. | flap like cartilage |
| B. | flap like bone |
| C. | part of windpipe |
| D. | part of voice box |
| Answer» B. flap like bone | |
| 268. |
Swarming growth on culture is characteristic of which Gram-negative organism |
| A. | Clostridium welchi |
| B. | Clostridium tetani |
| C. | Bacillus cereus |
| D. | Proteus mirabilis |
| Answer» E. | |
| 269. |
All the following are general properties of viruses except |
| A. | May contain both DNA and RNA |
| B. | Form extracellular infectious particles |
| C. | Heat labile |
| D. | Not affected by antibiotics |
| Answer» B. Form extracellular infectious particles | |
| 270. |
Candida infection is predispose by all, except - |
| A. | Menstruation |
| B. | Diabetes |
| C. | Mini pill users |
| D. | Combined pill users |
| Answer» B. Diabetes | |
| 271. |
The commonest focus of Scrofuloderma is |
| A. | Lung |
| B. | Lymph node |
| C. | Larynx |
| D. | Skin |
| Answer» C. Larynx | |
| 272. |
A patient with Sore throat has a positive Paul Bunnel test.The causative organism is: |
| A. | Adeno virus |
| B. | Cytomegalovirus |
| C. | EBV |
| D. | Herpes virus |
| Answer» D. Herpes virus | |
| 273. |
Regarding NK cells,false statement is: |
| A. | It is a variant of large lymphocyte |
| B. | There is antibody induced proliferation of NK cells |
| C. | It is activated by IL-2 |
| D. | Expresses CD3 receptor |
| Answer» C. It is activated by IL-2 | |
| 274. |
All are true about Antigen drift except - |
| A. | Its causes pandemic |
| B. | Occurs due to mutation |
| C. | Occurs frequently |
| D. | Minior antigenic changes |
| Answer» B. Occurs due to mutation | |
| 275. |
The following is the etiological agent of Rocky mountain sported fever - |
| A. | Rickettsia rickettsii |
| B. | Rochalimaea quintana |
| C. | Rickettsia tsutsugamushi |
| D. | Coxiella burnetii |
| Answer» B. Rochalimaea quintana | |
| 276. |
All the following are true about Chlamydia except |
| A. | Gram-positive |
| B. | Causes trachoma |
| C. | Causative organism of psittacosis |
| D. | Are also called basophilic viruses |
| Answer» B. Causes trachoma | |
| 277. |
Segmented genome is found in - |
| A. | Retrovirus |
| B. | Rota virus |
| C. | Polio virus |
| D. | Rhabdo virus |
| Answer» C. Polio virus | |
| 278. |
For rapid decomposition by microbes, the substrate should have a C/N ratio of |
| A. | 20-30 |
| B. | 01-10-2020 |
| C. | 60-80 |
| D. | 30-40 |
| Answer» E. | |
| 279. |
The acquisition energy by glucose fermentation requires |
| A. | electron transport of electrons from NADH |
| B. | substrate-level phosphorylation |
| C. | the enzyme formic-hydrogen lyase |
| D. | long-chain fatty acid oxidation |
| Answer» C. the enzyme formic-hydrogen lyase | |
| 280. |
True about mycobacterium other than tuberculosis - |
| A. | Occurs in person with normal immunity |
| B. | Causes disseminated infection |
| C. | Person to person transmission is seen |
| D. | Causes decreased efficiency of BCG due to cross immunity |
| Answer» E. | |
| 281. |
Which of the following statements about Salmonella is not true ? |
| A. | In natural infection, infective dose is regular below 1000 organisms |
| B. | Gastric resection decrease in infective dose |
| C. | Rose spots are characteristic but not specific for enteric fever |
| D. | Phase II flagellar antigen is specific for a species |
| Answer» E. | |
| 282. |
Which of the following acute viral hepatitis infections has the highest risk of progression to chronicity? |
| A. | Hepatitis C |
| B. | Hepatitis B |
| C. | Hepatitis A |
| D. | Hepatitis E |
| Answer» B. Hepatitis B | |
| 283. |
Intermediate host for hydatid disease |
| A. | Cat Foxes |
| B. | Giardia |
| C. | Man |
| D. | Dog |
| Answer» D. Dog | |
| 284. |
A patient complained of chills and fever following a louse bite 2 weeks before.He had rashes all over the body and was delirious at the time of presentation to the hospital and subsequently went into coma.A provisional diagnosis of vasculitis due to Rickettsial infection was made.Which one of the following can be causative agent: |
| A. | Rickettsia rickettsiae |
| B. | Rickettsia typhi |
| C. | Rickettsia akarai |
| D. | Rickettsia prowazekii |
| Answer» E. | |
| 285. |
Shigella are be divided into sub group on the basis of ability to ferment : |
| A. | Fructose |
| B. | Mennitol |
| C. | Lactose |
| D. | Maltose |
| Answer» C. Lactose | |
| 286. |
Regarding HIV which of the following is not true: |
| A. | May infect host CD4 cells other than T-lymphocytes |
| B. | Causes a reduction in host CD4 cells at late stage of disease |
| C. | It is a DNA retrovirus |
| D. | Contains Reverse Transcriptase |
| Answer» D. Contains Reverse Transcriptase | |
| 287. |
Mucus helps in protecting against pathogens by |
| A. | facilitating the growth of normal flora |
| B. | lowering the pH |
| C. | sequestering Iron |
| D. | blocking access and attachment of pathogens to mucosal surfaces |
| Answer» E. | |
| 288. |
Scrub typhus vector - |
| A. | Tick |
| B. | Reduvid bug |
| C. | Tromboculid mite |
| D. | Louse |
| Answer» D. Louse | |
| 289. |
Pontaic fever is caused by - |
| A. | Borrelia recurrentis |
| B. | Spirilium minus |
| C. | Bortonella haselle |
| D. | Legionella pneumophila |
| Answer» E. | |
| 290. |
Suckling mice is used in the isolation of ? |
| A. | Arbovirus |
| B. | Herpes virus |
| C. | Pox virus |
| D. | HIV |
| Answer» B. Herpes virus | |
| 291. |
Adenosine deaminase(enzyme)deficiency is associated with: |
| A. | Transient hypogammaglobulinemia of infancy. |
| B. | Chronic granulomatous disease. |
| C. | Severe combind immunodeficiency (SCID). |
| D. | X-linked agammaglobulinemia. |
| Answer» D. X-linked agammaglobulinemia. | |
| 292. |
In a patient with UTI,CLED(Cystiene,Lactose Electrolyte Deficient)Media is preferred over MAc'conkeys media because: |
| A. | It is a differential medium |
| B. | It inhibits swarming of Proteus |
| C. | Promotes growth of Pseudomonas |
| D. | Promotes growth of staph aureus and Candida |
| Answer» E. | |
| 293. |
The transducing particles carry only specific portions of the bacterial genome in which of the following transduction? |
| A. | General transduction |
| B. | Specialized transduction |
| C. | None of these |
| D. | Abortive transduction |
| Answer» C. None of these | |
| 294. |
Lymes disease all are true except - |
| A. | Infection progresses inspite of good humoral jmmunity |
| B. | Borellia bourgdroferi replicates locally and invades locally |
| C. | IgA intrathecally confirms meningitis |
| D. | Polymorphonuclear lymphocytosis in CSF suggest meningial involvement |
| Answer» E. | |
| 295. |
The unifying feature of the archaea that distinguishes them from the bacteria is |
| A. | absence of a nuclear membrane temperature |
| B. | habitats which are extreme environments with regard to acidity |
| C. | cytoplasmic ribosomes that are 70S |
| D. | presence of a cell wall containing a characteristic outer membrane |
| Answer» B. habitats which are extreme environments with regard to acidity | |
| 296. |
Correct statement about Widal test is: |
| A. | Only O antigen is used |
| B. | Is a tube precipitation method |
| C. | Any antibody titre is diagnostic |
| D. | None |
| Answer» E. | |
| 297. |
Negri bodies are seen in infections due to - |
| A. | Polio virus |
| B. | Rabies virus |
| C. | Herpes virus |
| D. | Adeno virus |
| Answer» C. Herpes virus | |
| 298. |
Invasive amoebiasis can be best diagnosed by: |
| A. | ELISA |
| B. | Counter current immunoelectrophoresis |
| C. | Indirect hemaglutination test |
| D. | Complement fixation test |
| Answer» B. Counter current immunoelectrophoresis | |
| 299. |
Complication in malaria are commonly seen with |
| A. | Plasmodium ovate |
| B. | Plasmodium vivax |
| C. | Plasmodium falciparum |
| D. | Plasmodium malariae |
| Answer» D. Plasmodium malariae | |
| 300. |
Conjunctivitis is caused by all except - |
| A. | CMV |
| B. | Enterovirus 70 |
| C. | Coxsackies A 24 |
| D. | Adenovirus |
| Answer» B. Enterovirus 70 | |