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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.
| 801. |
All float in a saturated salt solution except - |
| A. | Clonorchis sinensis |
| B. | Fertilised eggs of ascaris |
| C. | Larva of strongyloids |
| D. | Trichuris trichura |
| Answer» B. Fertilised eggs of ascaris | |
| 802. |
A 20 year old man presented with hemorrhagic colitis.The stool sample grew Escherichia coli in pure culture.The following serotype of E.coli is likely to be the causative agent: |
| A. | O 107:H7 |
| B. | O 55:H7 |
| C. | O 157:H7 |
| D. | O 159:H7 |
| Answer» D. O 159:H7 | |
| 803. |
Chlamydia causes all the following diseases except |
| A. | Non-gonococcal urethritis |
| B. | Pneumonia |
| C. | Trachoma |
| D. | Parotitis |
| Answer» E. | |
| 804. |
Cellulitis is caused by all except - |
| A. | Streptococcus |
| B. | Staphylococcus |
| C. | Hemophillus influnza |
| D. | Moraxella |
| Answer» E. | |
| 805. |
Which was Michael Crichton’s first novel? |
| A. | The Andromeda Strain |
| B. | A Case of Need |
| C. | Rising Sun |
| D. | Odds On |
| Answer» E. | |
| 806. |
Infection occurring after man's bite is - |
| A. | Spirochetes |
| B. | Staphylococcus |
| C. | Anaerobic streptococci |
| D. | Candida |
| Answer» C. Anaerobic streptococci | |
| 807. |
Intake of unpasteurized milk causes - |
| A. | Yellow fever |
| B. | Brucellosis |
| C. | Pulmonary tuberculosis |
| D. | Enteric fever |
| Answer» C. Pulmonary tuberculosis | |
| 808. |
All the following are considered eukaryotes except |
| A. | fungi |
| B. | archaea |
| C. | humans |
| D. | protozoa |
| Answer» C. humans | |
| 809. |
Endotoxin is part of the outer portion of the cell wall of - |
| A. | Gram-positive bacteria |
| B. | Gram-negative bacteria |
| C. | Candida albicans |
| D. | All of the above |
| Answer» C. Candida albicans | |
| 810. |
Negri bodies are mainly found in ? |
| A. | Brain stem |
| B. | Cortical neurons |
| C. | Hippocampus |
| D. | Spinal cord |
| Answer» D. Spinal cord | |
| 811. |
Rotavirus infection is diagnosed by the presence of: |
| A. | Antigen in blood |
| B. | Antibody in stool |
| C. | Antigen in stool by ELISA |
| D. | Virus in stool |
| Answer» D. Virus in stool | |
| 812. |
Peptide binding site on class I MHC molecules for presenting processed antigens to CD8 T cells is formed by |
| A. | Distal domain of ALFA subunit |
| B. | Proximal domain of ALFA subunits |
| C. | Distal domains of ALFA and BITA subunit |
| D. | Proximal domains of ALFA and BITA subunit |
| Answer» B. Proximal domain of ALFA subunits | |
| 813. |
A 25-year-young man complains of having had a single vesicular eruption on the shaft of his penis. Recurrence of this lesion two months later may be explained by |
| A. | Deficiency of cell mediated immunity in the patient |
| B. | A prolonged period of viremia following the initial infection |
| C. | A second infection with a similar virus with a different serotype |
| D. | Reactivation of latent infection |
| Answer» E. | |
| 814. |
Malignant pustule is seen in- |
| A. | Ulcerating melanoma |
| B. | Infected rodent ulcer |
| C. | Cutaneous anthrax |
| D. | Carbuncle |
| Answer» D. Carbuncle | |
| 815. |
Vitamin A is not found in |
| A. | green leafy vegetables |
| B. | fresh liver oils |
| C. | egg yolk |
| D. | Citrus fruits |
| Answer» E. | |
| 816. |
Loss of carbon through the microbial loop in oligotrophic environments is __________ to/than the loss of carbon through the microbial loop in copiotrophic environments. |
| A. | lesser |
| B. | greater |
| C. | half |
| D. | approximately equal |
| Answer» C. half | |
| 817. |
25yrs old labourer 3 yrs back presented with penile ulcer not treared.Later he presented with neurological symptoms for which he got treated.Test to monitor response to treatment is - |
| A. | TPI |
| B. | RPR |
| C. | VDRL |
| D. | FTA ABS |
| Answer» D. FTA ABS | |
| 818. |
Who won the Battle of Lake Erie? |
| A. | Anthony Wayne |
| B. | Henry Gladwin |
| C. | Lewis Cass |
| D. | Robert Hazard Perry |
| Answer» E. | |
| 819. |
Food poisoning in canned food is caused by ? |
| A. | Staphylococcus |
| B. | Salmonella |
| C. | Clostridium botulinum |
| D. | Bacillus cereus |
| Answer» D. Bacillus cereus | |
| 820. |
Reduvid bud is a vector for the transmission of - |
| A. | Relapsing fever |
| B. | Lyme's disease |
| C. | Scrub typhus |
| D. | Chaga's disease |
| Answer» E. | |
| 821. |
A pregnant woman from bihar presents with hepatic encephalopathy.The likely diagnosis: |
| A. | Sepsis |
| B. | Acute fatty liver of pregnancy |
| C. | Hep. E |
| D. | Hep.B |
| Answer» D. Hep.B | |
| 822. |
The amount of oxygen dissolved in hypolimnion water in the winter is __________ to/than the amount of oxygen dissolved in hypolimnion water in the summer |
| A. | lesser |
| B. | greater |
| C. | half |
| D. | approximately equal to |
| Answer» C. half | |
| 823. |
Oocyst of toxoplasma is found in - |
| A. | Cat |
| B. | Dog |
| C. | Mosquito |
| D. | Cow |
| Answer» B. Dog | |
| 824. |
Plate count of bacteria in foods generally use the plating medium consisting of |
| A. | yeast extract, glucose, sodium chloride, agar and distilled water |
| B. | peptone, yeast extract, glucose, sodium chloride, agar and distilled water |
| C. | peptone, yeast extract, glucose, sodium chloride and distilled water |
| D. | peptone, glucose, sodium chloride, agar and distilled water |
| Answer» C. peptone, yeast extract, glucose, sodium chloride and distilled water | |
| 825. |
An example of a symbiotic nitrogen fixer is |
| A. | Beijerinckia |
| B. | Azotobacter |
| C. | Rhizobium |
| D. | Clostridium |
| Answer» D. Clostridium | |
| 826. |
Immunization with which of the following toxoid induces high titer serum antibody, but does not protect from the corresponding disease? |
| A. | Botulism |
| B. | Tetanus |
| C. | Shigellosis |
| D. | Diphtheria |
| Answer» B. Tetanus | |
| 827. |
Spectator ions, |
| A. | remain chemically unchanged in an ionic equation |
| B. | take active part in forming new products |
| C. | form suspensions in the liquid |
| D. | act as catalysts |
| Answer» B. take active part in forming new products | |
| 828. |
The term used for acquisition of naked DNA from its environment and its incorporation in their genome by a bacterium is |
| A. | lysogenic conversion |
| B. | transformation |
| C. | transduction |
| D. | conjugation |
| Answer» C. transduction | |
| 829. |
Natural killer cells are involved in |
| A. | allograft rejection |
| B. | tumour rejection |
| C. | all of these |
| D. | non-specific killing of virus transformed target cells |
| Answer» D. non-specific killing of virus transformed target cells | |
| 830. |
Which of the following is capable of oxidizing sulfur to sulfates? |
| A. | Desulfotomaculum |
| B. | Thiobacillus thiooxidans |
| C. | Rhodomicrobium |
| D. | Rhodospirillum |
| Answer» C. Rhodomicrobium | |
| 831. |
Collection of urine sample of a patient of TB/kidney is done: |
| A. | 24 hrs urine |
| B. | 12 hrs urine |
| C. | In early morning |
| D. | Any time |
| Answer» D. Any time | |
| 832. |
Epitope binding floor of the MHC molecule Consists of - |
| A. | Alpha helices |
| B. | 8 standard Beta pleated structure |
| C. | Alpha and Beta 1 chain |
| D. | Beta 2 micro-globulin |
| Answer» C. Alpha and Beta 1 chain | |
| 833. |
All of the following statements are true about V.cholera O139 except: |
| A. | Clinical manifestations are similar O1 Eltor strain |
| B. | First discivered in Chennai |
| C. | Epidemiologically indistinguishable from O1 Eltor strain |
| D. | Produces O1 Lipo polysaccharide |
| Answer» E. | |
| 834. |
In the gut, anaerobic bacteria outnumber the aerobes by a ratio of - |
| A. | 4.16736111111111 |
| B. | 0.417361111111111 |
| C. | 10000:1 |
| D. | 41.6673611111111 |
| Answer» E. | |
| 835. |
Which of the following organelles contain DNA, divides and possesses some degree of autonomy? |
| A. | Ribosome |
| B. | Golgi apparatus |
| C. | Peroxisomes |
| D. | Chloroplast |
| Answer» E. | |
| 836. |
Varicella Zoster remains latent in |
| A. | B cells |
| B. | Macrophages |
| C. | Trigeminal Ganglion |
| D. | T cells |
| Answer» D. T cells | |
| 837. |
The organ on the left side of the abdominal cavity is called |
| A. | liver |
| B. | sphincter muscle |
| C. | diaphragm |
| D. | stomach |
| Answer» E. | |
| 838. |
All cause malabsorption except |
| A. | Ascaris lumbricoides |
| B. | Giardiasis |
| C. | Caplillaria phillipinesis |
| D. | Strongyliodes |
| Answer» B. Giardiasis | |
| 839. |
The following phenomenon is responsible for antibiotic resistance in bacteria due to slime production: |
| A. | Co-aggregation |
| B. | Biofilm formation |
| C. | Mutation envolving an altered target site for antiobiotics |
| D. | Mutation envolving a target bypass mechanism |
| Answer» C. Mutation envolving an altered target site for antiobiotics | |
| 840. |
Which of the following is correct for CD8 T cells? |
| A. | CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells |
| B. | CD8 T cells only recognize virus-infected cells |
| C. | CD8 T cells can kill individual virus-infected cells in a contact dependent fashion |
| D. | In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only |
| Answer» D. In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only | |
| 841. |
Food poisoning that does not present within 6 hours is due to ? |
| A. | Staphylococcus |
| B. | Salmonella |
| C. | Clostridium botulinum |
| D. | Bacillus cereus |
| Answer» C. Clostridium botulinum | |
| 842. |
Which of the following sequences has helped in identifying eukaryotes, eubacteria and archeabacterial cell types? |
| A. | Signal sequence |
| B. | Signature sequence |
| C. | Amino acid sequence |
| D. | Shine-Dalgarno sequence |
| Answer» C. Amino acid sequence | |
| 843. |
Saprophytic bacteria feed |
| A. | by producing their own food |
| B. | in intestines of animals |
| C. | all of these |
| D. | feed on decaying organic matter |
| Answer» E. | |
| 844. |
Negri bodies are found in |
| A. | Hypothalamus |
| B. | Hippocampus |
| C. | Midbrain |
| D. | Medulla |
| Answer» C. Midbrain | |
| 845. |
True about actinomyces is - |
| A. | Gram +ve |
| B. | Most common site in brain |
| C. | Tetracycline is drug of choice |
| D. | Portal of entry is inhalation |
| Answer» B. Most common site in brain | |
| 846. |
Detection of Antibodies to arc 5 antigen done to diagnose - |
| A. | Cysticercosis |
| B. | Hydatid cyst disease |
| C. | Brucellosis |
| D. | Cryptococcosis |
| Answer» C. Brucellosis | |
| 847. |
Diagnostic DNA probes have been developed for |
| A. | Hepatitis B virus |
| B. | Mycobacterium tuberculosis |
| C. | all of the above |
| D. | Human immunodeficiency virus |
| Answer» D. Human immunodeficiency virus | |
| 848. |
What are Blue-Green bacteria called? |
| A. | Cyanobacteria |
| B. | Acquaobacteria |
| C. | None of the above |
| D. | Protozoa |
| Answer» B. Acquaobacteria | |
| 849. |
CD4 Lymphocytes (helper cells) rcognise - |
| A. | HLA class I antigens |
| B. | HLA class II antigens |
| C. | HLA class III antigens |
| D. | None of the above |
| Answer» C. HLA class III antigens | |
| 850. |
When composite transposons are formed |
| A. | a small deletion occurs in the transposase gene of an IS element and plasmid is integrated |
| B. | a small deletion occurs in the transposase gene of an IS element |
| C. | two IS elements integrate into a chromosome with only a small distance separating them |
| D. | an IS element integrates with another IS element with the help of a plasmid |
| Answer» D. an IS element integrates with another IS element with the help of a plasmid | |