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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.
| 701. |
Genetic and biochemical similarities between contemporary cyanobacteria and eukaryotic chloroplasts are accepted to mean that |
| A. | eukaryotes evolved from archaea |
| B. | eukaryotes evolved from bacteria |
| C. | cyanobacteria arose from chloroplasts which escaped from plant cells |
| D. | oxygenic photosynthesis first evolved in eukaryotes |
| Answer» B. eukaryotes evolved from bacteria | |
| 702. |
Cell type which lacks HLA antigen is - |
| A. | Monocyte |
| B. | Thrombocytes |
| C. | Neytrophil |
| D. | Red blood cell |
| Answer» E. | |
| 703. |
Rate of peristalsis increases if the amount of adrenaine in blood is |
| A. | increased for a longer period of time |
| B. | reduced for a shorter period of time |
| C. | increased for a shorter period of time |
| D. | reduced for a longer period of time |
| Answer» B. reduced for a shorter period of time | |
| 704. |
All are true regarding filariasis except - |
| A. | Man is an intermedited host |
| B. | Caused by wuchereria bancrofti |
| C. | Involves lymphatic system |
| D. | DEC is used in treatment |
| Answer» B. Caused by wuchereria bancrofti | |
| 705. |
Which of the following(s) is/are the determinants of antigenicity? |
| A. | Size of the antigen |
| B. | Chemical nature |
| C. | All of these |
| D. | Foreignness |
| Answer» D. Foreignness | |
| 706. |
True statement about diptheria toxin is: |
| A. | Endotoxaemia causes systemic manifestation |
| B. | Toxin Acts by inhibiting synthesis of capsule |
| C. | Phage toxin is mediated |
| D. | Toxin is required for local infection |
| Answer» D. Toxin is required for local infection | |
| 707. |
Which of the following is cytophilic antibody ? |
| A. | IgM |
| B. | IgA |
| C. | IgE |
| D. | IgG |
| Answer» D. IgG | |
| 708. |
Classification of pathogenic streptococci into group A, B, C, D and G is based on |
| A. | Color of colonies on blood agar |
| B. | Antigenicity of cell wall carbohydrate |
| C. | Presence or absence of capsule |
| D. | Presence or absence of M protein |
| Answer» C. Presence or absence of capsule | |
| 709. |
Which immunoglobulin is least important in human beings: |
| A. | IgE |
| B. | IgB |
| C. | IgG |
| D. | IgA |
| Answer» C. IgG | |
| 710. |
A 25 year old farmer presented with history of high grade fever for 7 days and altered sensorium for 2 days.On examination, he was comatosed and had conjunctival hemorrhage.Urgent investigations showed a hemoglobin of 11 gm/dl, serum bilirubin 8 mg/dl and urea 78 mg/dl. Peripheral blood smear was negative for material parasite.What is the most likely diagnosis - |
| A. | Brucellosis |
| B. | Weil's disease |
| C. | Acute viral hepatitis |
| D. | Q fever |
| Answer» C. Acute viral hepatitis | |
| 711. |
Diagnosis of ABO incompatability can be made from all of the following except: |
| A. | Semen |
| B. | C.S.F. |
| C. | Sweat |
| D. | Saliva |
| Answer» C. Sweat | |
| 712. |
In the extracellular medium, DNA-degrading enzymes would likely be to prevent transfer of DNA by |
| A. | generalized phage transduction |
| B. | conjugal transfer by a self-transmissible plasmid |
| C. | none of the above |
| D. | natural transformation |
| Answer» E. | |
| 713. |
Which one of the following casting processes is the most widely used: |
| A. | die casting |
| B. | centrifugal casting |
| C. | sand casting |
| D. | investment casting |
| Answer» D. investment casting | |
| 714. |
When did Michael Faraday discover electromagnetic induction? |
| A. | 1831 |
| B. | 1824 |
| C. | 1840 |
| D. | 1836 |
| Answer» B. 1824 | |
| 715. |
Arthus reaction is an example for which type of hypersensitivity ? |
| A. | Type I |
| B. | Type II |
| C. | Type III |
| D. | Type IV |
| Answer» D. Type IV | |
| 716. |
Malarial parasites are easily detected if blood films are taken and examined |
| A. | When the patient is febrile |
| B. | When the patient is having chills |
| C. | One hour after the height of the paroxysm |
| D. | When the patient is afebrile |
| Answer» D. When the patient is afebrile | |
| 717. |
Investment casting is also known by which one of the following names: |
| A. | lost-foam process |
| B. | full-mold process |
| C. | lost-wax process? |
| D. | lost pattern process |
| Answer» B. full-mold process | |
| 718. |
Which of the following is true about P.falciparum |
| A. | James dots are seen |
| B. | Accole forms are seen |
| C. | Relapses are frequent |
| D. | Longest incubation period |
| Answer» C. Relapses are frequent | |
| 719. |
Most sensitive test for syphilis- |
| A. | FTA-ABS |
| B. | TPI |
| C. | TPHA |
| D. | VDRL |
| Answer» B. TPI | |
| 720. |
A Discharging sinus is seen in |
| A. | Sporotrichosis |
| B. | Cryptococcosis |
| C. | Histoplasmosis |
| D. | Mycetoma |
| Answer» E. | |
| 721. |
Which of the following is not the biofertilisers producing bacteria? |
| A. | Anabaena |
| B. | Nostoc |
| C. | Clostridium |
| D. | Both ( and ( |
| Answer» D. Both ( and ( | |
| 722. |
Epstein Barr virus is implicated in all, except - |
| A. | Infectious mononucleosis |
| B. | Lymphoma |
| C. | Thrombocytosis |
| D. | Bell's palsy |
| Answer» D. Bell's palsy | |
| 723. |
Regarding clostridium perfringens gas gangrene false is ? |
| A. | Naegler reaction positive |
| B. | Clostridium perfringens is the most common cause gas gangrene |
| C. | Food poisoning strain of clostridium perfringens produces heat resistent spores |
| D. | Most important toxin is hyaluronidase |
| Answer» E. | |
| 724. |
Agar is required in: |
| A. | McConkey's medium |
| B. | Loeffler's serum slope |
| C. | LJ medium |
| D. | All of the above |
| Answer» B. Loeffler's serum slope | |
| 725. |
Laboratory diagnosis of viral respiratory tract infections can be established by all of the following tests except: |
| A. | Isolation of viruses using centrifugation enchanced culture |
| B. | Detection of viral heamagglutination inhibiting (HAI) antibodies in a single serum specimen |
| C. | Detection of virud specific IgM antibodies in single serum specimen |
| D. | Demonstration of antigens by indirect immunofluorescence assay in nasopharyngeal washings |
| Answer» C. Detection of virud specific IgM antibodies in single serum specimen | |
| 726. |
An elderly diabetic has left sided orbital cellulites,CT scan of paranasal sinuses shows evidence of left maxillary sinusitis.Gram stained smear of the orbital exudates shows irregularly branching septate hyphae.The following is the most likely a etiological agent; |
| A. | Aspergillus |
| B. | Rhizopus |
| C. | Mucor |
| D. | Candida |
| Answer» B. Rhizopus | |
| 727. |
Who offered Michael Faraday the job of laboratory assistant? |
| A. | John Dalton |
| B. | Humphry Davy |
| C. | William Whewell |
| D. | Sarah Barnard |
| Answer» C. William Whewell | |
| 728. |
The conversion of molecular nitrogen into ammonia is known as |
| A. | denitrification |
| B. | nitrification |
| C. | ammonification |
| D. | nitrogen fixation |
| Answer» E. | |
| 729. |
Which of the following type of recombination does not require homologous sequences and is important for the integration of viral genomes into bacterial chromosomes? |
| A. | Site-specific recombination |
| B. | Mutagenic recombimation |
| C. | General recombination |
| D. | Replicative recombination |
| Answer» B. Mutagenic recombimation | |
| 730. |
True statements about rabies is: |
| A. | Rabies has various strains |
| B. | Rabies is best diagnosed by immuneflorescence study |
| C. | Rabies infection causes life long immunity |
| D. | Rabies vaccine is always live attenuated |
| Answer» C. Rabies infection causes life long immunity | |
| 731. |
Lysozyme is present in |
| A. | Cerebro spinal fluid (CSF) |
| B. | sweat |
| C. | saliva |
| D. | urine |
| Answer» D. urine | |
| 732. |
Which is not associated with community acquired pneumonia - |
| A. | Legionella |
| B. | Klebsiella |
| C. | Chlamydia |
| D. | Pneumococcus |
| Answer» C. Chlamydia | |
| 733. |
With reference to Bacteroides fragilis the following statements are true except - |
| A. | B. fragilis is the most frequent anaerobe isolated from clinical samples |
| B. | fragilis is not uniformly sensitive to Metronidazole |
| C. | The lipopolysaccharide foremed by B. fragilis is structurally and functionally different from the conventional Endotoxin |
| D. | Shock and DIC are common Bacteroides bacteremia |
| Answer» E. | |
| 734. |
The disposable plastic syringes are best sterilized by |
| A. | Formaldehyde |
| B. | Ethylene oxide |
| C. | Hexachloride |
| D. | UV radiation |
| Answer» C. Hexachloride | |
| 735. |
Most common species of pseudomonas causing intravascular catheter related infections is? |
| A. | P.aeruginosa |
| B. | P. cepacia |
| C. | P. mallei |
| D. | P.maltiphila |
| Answer» B. P. cepacia | |
| 736. |
Which of the following helminth produces bile stained eggs ? |
| A. | Ancylostoma duodenale |
| B. | Taenia solium |
| C. | Enterobius vermicularis |
| D. | Necator americanus |
| Answer» C. Enterobius vermicularis | |
| 737. |
If genetic material of another species is added into the host then organism resulting from this is classified as |
| A. | transgenic |
| B. | clone genes |
| C. | cross genes |
| D. | cisgenic |
| Answer» B. clone genes | |
| 738. |
All of the following are known to cause biliary obstruction,Except |
| A. | Ascaris |
| B. | Clonorchis |
| C. | Fasciola |
| D. | Ankylostoma |
| Answer» E. | |
| 739. |
The use of microbes to break down synthetic waste products such as polychlorinated biphenyls is called |
| A. | biolistics |
| B. | bioinformatics |
| C. | bioremediation |
| D. | biotechnology |
| Answer» D. biotechnology | |
| 740. |
The magnitude of BOD of wastewater is related to |
| A. | amount of organic material |
| B. | bacterial count |
| C. | all of the above |
| D. | amount of inorganic material |
| Answer» B. bacterial count | |
| 741. |
Passive immunization is done for |
| A. | diphtheria |
| B. | tuberculosis |
| C. | all of these |
| D. | enteric fever |
| Answer» B. tuberculosis | |
| 742. |
Fried Egg Colonies are produced by ? |
| A. | Chlamydia |
| B. | Mycoplasma |
| C. | Niesseria |
| D. | Diphtheria |
| Answer» C. Niesseria | |
| 743. |
Farmer presents with the features of high fever painful inguinal lymphadenopathy, vomiting and diarrhoea with hypotension.Which stain will help inthe diagnosis- |
| A. | Wayson's stain |
| B. | Neisser stain |
| C. | McFadyean's stain |
| D. | Alberts stain |
| Answer» B. Neisser stain | |
| 744. |
Which of the following is responsible for the corrosion problem? |
| A. | Sulfur bacteria |
| B. | Iron bacteria |
| C. | All of these |
| D. | Slime forming bacteria |
| Answer» B. Iron bacteria | |
| 745. |
The virulence factor of Nisseria gonorrhoeae includes all of the following except: |
| A. | Outer membrane proteins |
| B. | IgA protease |
| C. | M-proteins |
| D. | Pilli |
| Answer» D. Pilli | |
| 746. |
Which of the following causes highest risk of nosocomial infection to a patient |
| A. | Patient undergoing endoscopy |
| B. | Patient admitted for normal delivery |
| C. | Patient admitted for elective surgery |
| D. | HIV patient coming in follow up OPD |
| Answer» D. HIV patient coming in follow up OPD | |
| 747. |
Which of the following statements about campylobacter jejuni is false |
| A. | Poultry is a common source of infection |
| B. | Commonest agent responsible for campylobacterosis |
| C. | Associated with Guillain Barre Syndrome |
| D. | Humans are important reservoirs of infection |
| Answer» E. | |
| 748. |
Al +3 indicates that |
| A. | it has high positive charge |
| B. | it needs -3 valency to become stable |
| C. | Both A and B |
| D. | None of These |
| Answer» D. None of These | |
| 749. |
The three domain version of life on earth is based on the |
| A. | morphological traits |
| B. | nucleic acid sequence data |
| C. | characteristics of the cell wall |
| D. | metabolic traits |
| Answer» C. characteristics of the cell wall | |
| 750. |
Water testing relies on the detection of certain indicator organisms known as |
| A. | bacteroids |
| B. | acid-fast bacteria |
| C. | dinoflagellates |
| D. | coliforms |
| Answer» E. | |