MCQOPTIONS
Saved Bookmarks
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.
| 501. |
Whooping cough is caused by ? |
| A. | C.dipthera |
| B. | B.pertusis |
| C. | M.catarhalis |
| D. | S.pneumonea |
| Answer» C. M.catarhalis | |
| 502. |
All of the following statements are true regarding poliovirus except: |
| A. | Asymptomatic infections are common in children |
| B. | It is transmitted by feco-oral route |
| C. | Live attenuated vaccine produces herd immunity |
| D. | There is a single serotype causing infection |
| Answer» E. | |
| 503. |
Characteristic of anaerobic bacteria is ? |
| A. | Foul smelling discharge |
| B. | Fail to grow in aerobic media |
| C. | Gas in tissue |
| D. | All of the above |
| Answer» E. | |
| 504. |
A male patient presented with granulomatous penile ulcer. On Wright geimsa stain tiny organisms of 2 microns within macrophages seen. What is the causative organism ? |
| A. | Galymmatobacterium granulomatis |
| B. | LGV |
| C. | Staph aureus |
| D. | Neisseria |
| Answer» B. LGV | |
| 505. |
Green frothy vaginal discharge is produced by - |
| A. | Herpes simplex |
| B. | Candida albicans |
| C. | Trichomonas vaginalis |
| D. | Normal vaginal flora |
| Answer» D. Normal vaginal flora | |
| 506. |
Leukemogenesis by HTLV-1 virus has been attributed to which of the following viral genes ? |
| A. | Gag |
| B. | Tax |
| C. | Pol |
| D. | Env |
| Answer» C. Pol | |
| 507. |
A patient presents to the emergency department with history of persistant fever and cough.Radiological features are suggestive of pneumonia.Sputum examination cultures reveal aerobic branching gram positive filaments that are partially acid fast. Which of the following is the most likely etiological agent. |
| A. | Nocardia asteroides |
| B. | Actinomyces Israeli |
| C. | Staphylococcus aureus |
| D. | Aspergillus fumigatus |
| Answer» B. Actinomyces Israeli | |
| 508. |
Lymphangitis is caused by - |
| A. | Staphylococcus |
| B. | Streptococci |
| C. | Pneumococii |
| D. | Neisseria |
| Answer» C. Pneumococii | |
| 509. |
The protein of HIV 1 virus which binds to CD4 receptor of lymphocyte is - |
| A. | GP 34 |
| B. | GP 41 |
| C. | GP 120 |
| D. | GP 160 |
| Answer» D. GP 160 | |
| 510. |
An example of yeast is - |
| A. | Candida albicans |
| B. | Cryptococcus neoformans |
| C. | Pencillium mameffei |
| D. | Aspergillus fumigatus |
| Answer» B. Cryptococcus neoformans | |
| 511. |
Chemical precipitation of phosphorus is |
| A. | secondary treatment |
| B. | primary treatment |
| C. | both ( and ( |
| D. | tertiary treatment |
| Answer» E. | |
| 512. |
In an oxygenic photosynthesis, the green and the purple bacteria do not use which of the following one as an electron source? |
| A. | H2 |
| B. | H2O |
| C. | S (elemental sulphur) |
| D. | H2S |
| Answer» C. S (elemental sulphur) | |
| 513. |
Which type of binding does not occur in Antigen-Antibody binding - |
| A. | Covalent |
| B. | Electrostatic |
| C. | Ionic-linkage |
| D. | Van-dar Vaal forces |
| Answer» B. Electrostatic | |
| 514. |
Living organisms have many complex characteristics. Which one of the following is shared by non-living matter as well? |
| A. | Tissues |
| B. | Homeostasis |
| C. | Molecules |
| D. | Reproduction |
| Answer» D. Reproduction | |
| 515. |
Which of the following is true about mature cysts of E.histolytica |
| A. | Endoplasm and ectoplasm are clearly defined |
| B. | Eight chromatid bodies |
| C. | Shows chromatid bodies and glycogen mass |
| D. | Nuclear structure retains characteristics of trophozoite |
| Answer» E. | |
| 516. |
All are correct regarding Widal test, Except - |
| A. | High titre value in single widal test is not confirmative |
| B. | Baseline titres differ depending on the endemicity of the diases |
| C. | H antibody can not differentiate |
| D. | O antibody lasts longer and hence is not indicative of recent infection |
| Answer» E. | |
| 517. |
As the electron flow through the chains, much of their free energy is conserved in the form of ATP. This process is called |
| A. | electromotive potential |
| B. | oxidative phosphorylation |
| C. | none of these |
| D. | dehydrogenations |
| Answer» C. none of these | |
| 518. |
Cholera toxin acts by: |
| A. | Na+K+ ATPase inhibition |
| B. | Adenylate cyclase stimulation |
| C. | Opening of chloride channel |
| D. | Stimulation of Ca++ channel |
| Answer» C. Opening of chloride channel | |
| 519. |
Patient presented with urethral syndrome.On microscopy gram smear is full of polymorphs, but no bacteria.Culture should be done on - |
| A. | Mc Coy cell line |
| B. | Theyer Martin media |
| C. | Cooked meat |
| D. | PPLO broth |
| Answer» B. Theyer Martin media | |
| 520. |
A child presents with infective skin lesions of the leg.Culture was done which showed gram positive cocci in chains and hemolytic colonies.Which of the following tests will best identify the organism, |
| A. | Bile solubility |
| B. | Optochin sensitivity |
| C. | Bacitracin sensitivity |
| D. | Catalase positive |
| Answer» D. Catalase positive | |
| 521. |
An army jawan posted in a remote forest area had fever and headache.His fever was 104 degree F and pulse was 70 per min.He had an erythematous lesion of about 1cm on the leg surrounded by small vesicles,along with generalized lymphadenopathy at the time of presentation to the referral hospital.His blood sample was collected to perform serology for the diagnosis of Rickettsial disease.Which one of the following results in Weil-felix reaction will be diagnostic in this clinical setting: |
| A. | High OX-19 |
| B. | High OX-2 |
| C. | High OX-19 and OX-2 |
| D. | High OX-K |
| Answer» E. | |
| 522. |
The characteristic finding in a case of leprosy is - |
| A. | Culture test is positive in 2-3 months in LJ media |
| B. | Long contract with tuberculoid leprocy can transmit the disease |
| C. | CMI is seen in Lepromatous leprosy |
| D. | Macule lesion heals spontaneously |
| Answer» C. CMI is seen in Lepromatous leprosy | |
| 523. |
Regarding syphilis, all are true, except - |
| A. | VDRL titre decreases or even absent after treatment |
| B. | VDRl become positive after 10-14 days of infection |
| C. | Earliest serological test to become positive in untreated primary syphilis is TPHA |
| D. | Yaws and Pinta can not be differentiated |
| Answer» C. Earliest serological test to become positive in untreated primary syphilis is TPHA | |
| 524. |
Number of nucleus present in mature cyst of E. Histolytica is ? |
| A. | 1 |
| B. | 2 |
| C. | 4 |
| D. | 8 |
| Answer» D. 8 | |
| 525. |
All of the following bacteria test 'Urease positive' except: |
| A. | Kleibsella |
| B. | Staphylococcus |
| C. | E.coli |
| D. | Proteus |
| Answer» D. Proteus | |
| 526. |
Inclusion bodies of trachoma are stained with / |
| A. | Wright's stain |
| B. | Iodine |
| C. | Saffranin |
| D. | Alcian blue |
| Answer» C. Saffranin | |
| 527. |
A characteristic of protein synthesis in both the archaea and eukarya is |
| A. | translation is inhibited by diphtheria toxin |
| B. | transcription and translation are coupled |
| C. | the initiator tRNA is charged with N-formyl-methionine |
| D. | proteins are synthesized from D-, rather than L-, isomers of amino acids |
| Answer» E. | |
| 528. |
One of the following infections is caused by anaerobic gram-positive cocci |
| A. | Puerperal infection |
| B. | Food poisoning |
| C. | Endocarditis |
| D. | Septicemia |
| Answer» B. Food poisoning | |
| 529. |
Vaccination is based on the principle of: |
| A. | Phagocytosis |
| B. | Agglutination |
| C. | Clonal detection |
| D. | Immunologic Memory |
| Answer» E. | |
| 530. |
Liquid paraffin is sterilized by- |
| A. | Hot aie oven |
| B. | Autoclaving |
| C. | y-Irradiation |
| D. | Seitz filter |
| Answer» B. Autoclaving | |
| 531. |
A 12 yrs old child presents with fever and cervical lymphadenopathy.Oral examination shows a grey membrane on the right tonsil extending to the anterior pillar.Which of the following medium will be ideal for the culture of the throat swab for a rapid identification of the pathogen: |
| A. | Nutrient agar |
| B. | Bloodagar |
| C. | Loffler's serum slope |
| D. | Lowenstein Jensen medium |
| Answer» D. Lowenstein Jensen medium | |
| 532. |
Amphoteric oxides |
| A. | are only basic oxides |
| B. | are only acidic oxides |
| C. | are a form of neutral oxides |
| D. | are both acidic and basic oxides |
| Answer» E. | |
| 533. |
True about Prion Protein disease is all,except |
| A. | Myoclonus is seen in 10% of the patients |
| B. | Caused by infectious protein |
| C. | Brain biopsy is diagnostic |
| D. | Commonly manifests as dementia |
| Answer» B. Caused by infectious protein | |
| 534. |
Neonatal thymectomy leads to |
| A. | Decreased size of paracortical areas |
| B. | Decreased size of germinal center |
| C. | Increased bone marrow production of lymphocytes |
| D. | Increased antibody production by B cells |
| Answer» B. Decreased size of germinal center | |
| 535. |
All of the following statements about hybridoma technology are true except |
| A. | Myeloma cells with mutation salvage pathway grows well in HAT medium |
| B. | Specific antibody producing cells are integrated with myeloma cells |
| C. | HGPRT ase and thymidylate synthetase are required for salvage pathway |
| D. | Aminopterin, a folate antagonist, inhibits denovo pathway |
| Answer» B. Specific antibody producing cells are integrated with myeloma cells | |
| 536. |
Which of the following bacteria act by increasing cAMP - |
| A. | E.coli heat stable toxin |
| B. | Salmonella |
| C. | Vibrio cholera |
| D. | Staphylococcus aureus |
| Answer» D. Staphylococcus aureus | |
| 537. |
Job's syndrome is the following type of immunodeficiency disease - |
| A. | Humoral immunodeficiency |
| B. | Cellular immunodeficiency |
| C. | Disorder of complement |
| D. | Disorder of phagocytosis |
| Answer» E. | |
| 538. |
All are features of Ureaplasma urealyticum except: |
| A. | Salpingitis |
| B. | Non gonococcal urethritis |
| C. | Bacterial vaginosis |
| D. | Epididymitis |
| Answer» B. Non gonococcal urethritis | |
| 539. |
Which of the following infestation leads to malabsorption? |
| A. | Necater americana. |
| B. | Ancylostoma duodenale. |
| C. | Giardia lambia. |
| D. | Ascaris lumbricoides. |
| Answer» D. Ascaris lumbricoides. | |
| 540. |
Prozone phenomenon is due to |
| A. | Excess antigen |
| B. | Excess antibody |
| C. | Hyperimmune reaction |
| D. | Disproportionate antigen-antibody levels |
| Answer» C. Hyperimmune reaction | |
| 541. |
The specific enzyme/(s) of the glyoxylate cycle is/are |
| A. | malate synthase |
| B. | isocitrate lyase |
| C. | anaplerotic |
| D. | both ( and ( |
| Answer» E. | |
| 542. |
Gas gangrene is caused by |
| A. | Clostridium tetani |
| B. | Clostridium difficle |
| C. | Clostridium perfringens |
| D. | Peptostreptococci |
| Answer» D. Peptostreptococci | |
| 543. |
Who determined that Mercury must be tidally locked to the Sun? (This was proved wrong later on.) |
| A. | Albert Goldstein |
| B. | John Dyce |
| C. | James Pettengill |
| D. | Giovanni Schiaparelli |
| Answer» E. | |
| 544. |
The earliest immunoglobulin to be synthesized by the fetus is: |
| A. | IgE |
| B. | IgM |
| C. | IgA |
| D. | IgG |
| Answer» C. IgA | |
| 545. |
How is MI6 known internally? |
| A. | The Firm |
| B. | The Company |
| C. | The Estate |
| D. | The Factory |
| Answer» B. The Company | |
| 546. |
Hemorrhagic fever caused by viruses are all except - |
| A. | Rocky Mountain spotted fever |
| B. | Yellow fever |
| C. | Dengue hemorrhagic fever |
| D. | Kyasanur Forest disease |
| Answer» B. Yellow fever | |
| 547. |
Erythema infectiosum is caused by - |
| A. | Human Parvo virus B19 |
| B. | Papova virus |
| C. | Human herpes virus type 8 |
| D. | Measles virus |
| Answer» B. Papova virus | |
| 548. |
Best vaccine for rota virus infection is: |
| A. | DNA vaccine |
| B. | Asymptomatic neonatal vaccine |
| C. | Capsular component vaccine |
| D. | Genetic reassortment |
| Answer» E. | |
| 549. |
Charcot Leyden crystal in stool is seen in ? |
| A. | Amoebic dysentery |
| B. | Bacillary dysentery |
| C. | Shigella |
| D. | Bacillus cereus |
| Answer» B. Bacillary dysentery | |
| 550. |
Which of the following statements is most correct regarding,resistance to Methicillin in MRSA |
| A. | Resistance is mediated by plasmids |
| B. | Expression of Resistance is enhanced by incubating at 37 degree C during susceptibility testing |
| C. | Resistance is produced as a result of alteration in Penicillin Binding Proteins (PBP) |
| D. | Resistance is produced by production of BETA lactamase |
| Answer» D. Resistance is produced by production of BETA lactamase | |