MCQOPTIONS
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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.
| 601. |
Which of the following is an obligate parasite: |
| A. | Chlamydia trachomatis |
| B. | Mycoplasma |
| C. | Gram+ve cocci |
| D. | Gram-Ve bacilli |
| Answer» B. Mycoplasma | |
| 602. |
__________ play a key role in the transformation of rock to soil. |
| A. | Pectin decomposing bacteria |
| B. | Cyanobacteia |
| C. | De-nitrifying bacteria |
| D. | Nitrifying bacteria |
| Answer» C. De-nitrifying bacteria | |
| 603. |
Which bridge connects Upper Peninsula and Lower Peninsula of Michigan? |
| A. | Golden Gate Bridge |
| B. | Mackinac Bridge |
| C. | Bay Bridge |
| D. | Brooklyn Bridge |
| Answer» C. Bay Bridge | |
| 604. |
A infant had high grade fever and respiratory distress at the time of presentation to the emergency room.The sample collected for blood culture was subsequently positive showing growth of a haemolytic colonies.On Gram staining these were gram positive cocci.In the screening test for the identification, the suspected pathogen is likely to be susceptible to the following agent - |
| A. | Novobiocin |
| B. | Bactiracin |
| C. | Oxacillin |
| D. | Optochin |
| Answer» E. | |
| 605. |
The microbiological examination of coliform bacteria in foods preferably use |
| A. | violet Red Bile agar |
| B. | MacConkey broth |
| C. | all of these |
| D. | eosine Methylene blue agar |
| Answer» D. eosine Methylene blue agar | |
| 606. |
MHC I and II |
| A. | Present Antigen to T cell |
| B. | For activation of T helpher cell |
| C. | Class Switching of antibody |
| D. | Ig synthesis |
| Answer» C. Class Switching of antibody | |
| 607. |
The blood is carried back to the heart through |
| A. | arterioles |
| B. | venues |
| C. | vein |
| D. | capillaries |
| Answer» D. capillaries | |
| 608. |
Nerve impulses of carbon dioxide concentration are transmitted to CNS through |
| A. | axons |
| B. | Dendron |
| C. | PNS |
| D. | forebrain |
| Answer» D. forebrain | |
| 609. |
Gas gangrene is not caused by ? |
| A. | Clostridium welchi |
| B. | Clostridium perferenges |
| C. | Clostridium novyi |
| D. | Clostridium diffcle |
| Answer» E. | |
| 610. |
Immunoglobulin which cross placenta readily is ? |
| A. | IgG |
| B. | IgA |
| C. | IgM |
| D. | IgD |
| Answer» B. IgA | |
| 611. |
A child presents with a white patch over the tonsils;diagnosis is best made by culture in: |
| A. | Blood agar |
| B. | Tellurite medium |
| C. | Loeffler medium |
| D. | LJ medium |
| Answer» D. LJ medium | |
| 612. |
A female presents with symptoms and signs suggestive of meningitis.MRI scan reveals a ring enhancing lesion in the frontotemporal region while CSF grows gram positive bacilli. Other findings are minimally abnormal.Which of the following organisms is the most likely etiological agent: |
| A. | Pneumococcus |
| B. | Staphylococcud aureus |
| C. | Listeria monocytogenes |
| D. | Hemophilus Influenza |
| Answer» D. Hemophilus Influenza | |
| 613. |
Which of the following structure is absent in eukaryotic cells? |
| A. | Chloroplasts |
| B. | Mitochondria |
| C. | Mesosome |
| D. | Golgi structure |
| Answer» D. Golgi structure | |
| 614. |
A patient,resident of Himachal pradesh presented with a series of ulcers in a row,on his right leg.The biopsy from the affected area was taken and cultured on Sabauraud's Dextrose agar.What would be the most likely causative organism? |
| A. | Sporothrix schenckii |
| B. | Cladosporium spp |
| C. | Pseudoallescheria boydii |
| D. | Nocardia brasielensis |
| Answer» B. Cladosporium spp | |
| 615. |
A 20 years old male patient presents to the STD clinic with a genital ulcer.The gram stain of the smear from ulcer shows gram negative coccobacilli.The most appropriate media for culture would be: |
| A. | Blood agar with X |
| B. | Thayer-Martin Medium |
| C. | Teilurite blood agar |
| D. | Chocolate agar with isovitale X |
| Answer» E. | |
| 616. |
Gas gangrene is caused by all except |
| A. | Cl. septicum |
| B. | Cl. sporogenes |
| C. | Cl. histolyticum |
| D. | Cl. novyi |
| Answer» C. Cl. histolyticum | |
| 617. |
All membranes of free-living organisms have phospholipid bilayers, but exception is |
| A. | fungi |
| B. | bacteria |
| C. | protozoa |
| D. | archaea |
| Answer» E. | |
| 618. |
All the following are true regarding Vibrio cholerae except |
| A. | Transported in acidic medium |
| B. | Gram- negative |
| C. | Aerobic organism |
| D. | Ferments glucose |
| Answer» B. Gram- negative | |
| 619. |
Sputum examination is not useful in diagnosis of: |
| A. | Paragomniasis |
| B. | Strongyloids |
| C. | Trichuriasis trichura |
| D. | Ank. duodenale |
| Answer» D. Ank. duodenale | |
| 620. |
Chlamydia trachomatis does not causes - |
| A. | Salpingitis |
| B. | Vulvitis |
| C. | Cervicitis |
| D. | Urethritis |
| Answer» C. Cervicitis | |
| 621. |
Fluorescent microscopy is used to diagnose - |
| A. | Mycobacterium tuberculosis |
| B. | Staphylococcus aureus |
| C. | Streptococcus capsulatum |
| D. | Klebsilla aerogenes |
| Answer» B. Staphylococcus aureus | |
| 622. |
Which one of the following statements is false: |
| A. | The presence of ingested erythrocytes is seen only in Entamoeba histolytica |
| B. | Young adult male of low socioeconomic status are most commonly affected by invasive amoebiasis |
| C. | A low iron content in the diet predisposes to invasive amoebiasis |
| D. | The pathogenic and non-pathogenic strains of E.histolytica can be differentiated by the electrophoretic study of zymodemes |
| Answer» D. The pathogenic and non-pathogenic strains of E.histolytica can be differentiated by the electrophoretic study of zymodemes | |
| 623. |
Which of the following type of recombination does not require homologous sequences and is utilized by mobile genetic elements that move about chromosomes? |
| A. | Site-specific recombination |
| B. | Mutagenic recombimation |
| C. | General recombination |
| D. | Replicative recombination |
| Answer» E. | |
| 624. |
Disposable materials are sterilized by |
| A. | Hot air over |
| B. | Autoclaving |
| C. | Gamma-irradiation |
| D. | Cidex solution |
| Answer» D. Cidex solution | |
| 625. |
Infection with Hepatitis B virus is associated with the appearance in the blood of all of the following except - |
| A. | Hepatitis B antibody |
| B. | Hepatitis B surface antigen |
| C. | The Dane particle |
| D. | DNA polymerase activity |
| Answer» E. | |
| 626. |
Rabies is identified by |
| A. | Guarneri bodies |
| B. | Negri bodies |
| C. | Cowdry A bodies |
| D. | Cowdry B bodies |
| Answer» C. Cowdry A bodies | |
| 627. |
One of the reasons for the evolutionary success of the kingdom Monera is that its members are nutritionally diverse. Which of the following(s) is/are the way(s) of obtaining energy? |
| A. | Photoheterotrophy |
| B. | Photoautotrophy |
| C. | All of the above |
| D. | Chemoheterotrophy |
| Answer» D. Chemoheterotrophy | |
| 628. |
The instrument to measure blood pressure is called as |
| A. | sphygmomanometer |
| B. | sphygamometer |
| C. | sphygmanometer |
| D. | sphygmomanometer |
| Answer» B. sphygamometer | |
| 629. |
A microbiologist wants to develop a vaccine for prevention of attachment of diarrhoeagenic E.coli to the specific receptors in the gastro-intestinal tract.All of the following fimbrial adhesions would be appropriate vaccine candidates except: |
| A. | P1-Pili |
| B. | CFA-1 |
| C. | K 88 |
| D. | CS-2 |
| Answer» B. CFA-1 | |
| 630. |
Malignant pustule is seen in infection by - |
| A. | Yersinia pestis |
| B. | Bacillus cereus |
| C. | Clostridium welchii |
| D. | Bacillus anthracis |
| Answer» E. | |
| 631. |
All of the following are agglutination reactions except: |
| A. | Blood grouping |
| B. | Elek's test |
| C. | Widal test |
| D. | Weil Felix reaction |
| Answer» C. Widal test | |
| 632. |
A young boy had a flea bite while working in a wheat grain godown.After 5 days he developed fever and had axillary lymphadenopathy.A smear was sent to the laboratory to perform a specific staining.Which one of the following staining method would help in the identification of the suspected pathogen: |
| A. | Mc Fadyean's staining |
| B. | Wayson staining |
| C. | Albert staining |
| D. | Zxihl-Neelson staining |
| Answer» C. Albert staining | |
| 633. |
The death of a river by environmental pollutants ultimately results from |
| A. | the overabundance of toxic proteins |
| B. | the overpopulation of algae |
| C. | the buildup of sediment on the river bottom |
| D. | the depletion of oxygen |
| Answer» D. the depletion of oxygen | |
| 634. |
Which of the following catalyze liberation of orthophosphate from organic P compounds and inorganic pyrophosphate ? |
| A. | Oxidoreductase |
| B. | Alkaline phosphates |
| C. | Hydrogenase |
| D. | Protease |
| Answer» C. Hydrogenase | |
| 635. |
A 30 year old female is on antibiotics with prolonged IV Cannulation,has spike of fever,the likely cause is: |
| A. | Pseudomonos aurigenosa |
| B. | Coagulase negative Staphylococci |
| C. | Streptococcus agalactiae |
| D. | E. Coli |
| Answer» C. Streptococcus agalactiae | |
| 636. |
False regarding filariasis is - |
| A. | Morbidity increase with age in endemic areas |
| B. | Humoral immunity plays dominant role |
| C. | Usually unilateral |
| D. | Man is the most only host for filariasis |
| Answer» C. Usually unilateral | |
| 637. |
Ethanoic acid CH3COOH is included in |
| A. | non-electrolyte |
| B. | strong electrolyte |
| C. | good conductors |
| D. | weak electrolyte |
| Answer» E. | |
| 638. |
Acute Hepatitis B can be earliest diagnosed by: |
| A. | IgM anti HBc abs |
| B. | Hbs Ag |
| C. | IgC anti HBc abs |
| D. | Anti HBs Ag abs |
| Answer» B. Hbs Ag | |
| 639. |
Larva found in muscle is - |
| A. | Trichinella spiralis |
| B. | Ankylostoma duodenale |
| C. | Trichuris trichura |
| D. | Enterobius vermicularis |
| Answer» B. Ankylostoma duodenale | |
| 640. |
All of the following statements about Penicillin Resistance are true, except |
| A. | Alterationin target PBP's is an important resistance mechanism in Gram negative bacteria |
| B. | BITA - Lactamase production is the most common mechanism of resistance |
| C. | BITA - Lactamase production causes resistance in both Gram positive and Gram negative bacteria |
| D. | Alteration in permeability / penetration of antibiotic causes resistance only inGram negative bacteria |
| Answer» B. BITA - Lactamase production is the most common mechanism of resistance | |
| 641. |
Who of the following believed that Mercury orbited the Sun? |
| A. | Heraclitus |
| B. | Aristotle |
| C. | Socrates |
| D. | Plato |
| Answer» B. Aristotle | |
| 642. |
A person working in an abattoir presented with a papule on hand,which turned into an ulcer.Which will best help in diagnosis |
| A. | Trichrome Methylene Blue |
| B. | Carbol Fuschin |
| C. | Acid Fast Stain |
| D. | Calcoflour White |
| Answer» B. Carbol Fuschin | |
| 643. |
Which of the following diseases is transmitted by egg investion |
| A. | Teniasis |
| B. | Trichinosis |
| C. | Hydatidosis |
| D. | Stronglyloidosis |
| Answer» D. Stronglyloidosis | |
| 644. |
The expression of gene X (which has promoter Px) is to be monitored. A gene fusion construction for carrying this work will |
| A. | have the promoter of lacZ or some other reporter gene |
| B. | have Px but not the rest of the X coding region |
| C. | give the same information as from a microarray |
| D. | allow to monitor the expression of all genes with a promoter similar in sequence to Px |
| Answer» C. give the same information as from a microarray | |
| 645. |
Cystine lactose enzyme deficient medium CLED is preferred over McConkey agar in UTI because: |
| A. | Is a selective medium |
| B. | Former prevents swarming of proteus |
| C. | Promotes growth of candida and staphylococcus |
| D. | Prevents growth of pseudomonas |
| Answer» E. | |
| 646. |
A psychrophilic halophile would be a microbe that prefers |
| A. | warm temperatures and increased amounts of pressure |
| B. | cold temperatures and increased amounts of salt |
| C. | warm temperatures and increased amounts of acid |
| D. | cold temperatures and the absence of oxygen |
| Answer» C. warm temperatures and increased amounts of acid | |
| 647. |
A man on return from a country complains of pain in abdomen, jaundice, with increased alkaline phosphate and conjugated hyperbilirubinemia. U.S.G. shows blockage in the biliary tree. What could be the cause |
| A. | Clonorchis sinensis |
| B. | Fasciola buski |
| C. | Ancylostoma |
| D. | Strongyliodes |
| Answer» B. Fasciola buski | |
| 648. |
Animal reservoir for swine influenza virus is - |
| A. | Field mice |
| B. | Urban rats |
| C. | Pigs |
| D. | Calomys callosus |
| Answer» D. Calomys callosus | |
| 649. |
The cell wall in bacteria is responsible for - |
| A. | Selective permeability |
| B. | Motility |
| C. | Cell division |
| D. | Conjugation |
| Answer» D. Conjugation | |
| 650. |
Investigation of choice for amoebiasis is ? |
| A. | ELISA |
| B. | Colonoscopy |
| C. | Microscopy |
| D. | Microscopy + ELISA |
| Answer» E. | |