5451. Dry heat destroys microorganisms by_____________?
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A. Lysis

B. Coagulation of proteins

C. Oxidation

D. Hydrolysis of DNA

5452. parasitic inflammation would show predominantly____________________?
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A. Lymphocytes

B. Neutrophilis

C. Eosinophils

D. Basophils

5453. A 30 years old patient developed high fever of sudden onset. Peripheral blood smear showed cresent shaped gametocytes. Malaria pigment was dark brown in colour Which of the following malarial parasites is the causative agent ?
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A. Plasmodium vivax

B. Plasmodium ovale

C. Plasmodium malaria

D. Plasmodium falciparum
5454. Endotoxins are produced by________________?
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A. Fungi

B. Gram +ve bacteria

C. Virus

D. Gram -ve bacteria
5455. Interferon interferes with replication of virus at the time of_____________?
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A. Protein synthesis

B. DNA/RNA replication

C. When virus enters the cell

D. Uncoating of the virus proteins capsule

5456. The killer cells are associated with immunologic response___________________?
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A. Type III

B. Type I

C. Type II

D. Type IV

5457. IgG has subclasses_______________?
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A. 4

B. 2

C. 1

D. 3

5458. Sclerotic bodies measuring 3-5m in size, multi-septate, chestnut, brown color is characteristic of________________?
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A. Phaeohypomycosis

B. Rhinosporodiosis

C. Histoplasmosis

D. Chromoblastomycosis
5459. Dengue virus belongs to______________?
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A. Flavi virus

B. Rhabdoviridae

C. Reoviridae

D. Togaviridae

5460. Which of the following viruses appears to be involved in the pathogenesis of Kaposis sarcoma_____________?
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A. Human Herpes Virus 4

B. Human Herpes Virus 1

C. Human Herpes Virus 8

D. Human Herpes Virus 3

5461. Which of the following belongs to cell fraction derived vaccine______________?
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A. Measles

B. Mumps

C. Rubella

D. Hepatitis B
5462. Methods for the diagnosis of superficial fungal infection________________?
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A. All of the above

B. KOH staining

C. Microscopic examination of skin scrapings

D. Wood light examination

5463. Candida is most often implicated in causation___________________?
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A. Tenea capitis

B. Desert rheumatism

C. Thrush

D. Conjunctivitis

5464. Culture media of candida is_________________?
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A. Saborauds medium

B. Methylene blue dextrose agar

C. All of the above

D. Pingolevin

5465. Which of the following is not a pox virus ?
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A. Cowpox

B. Molluscum contagiosum

C. chicken pox

D. Small pox

5466. In falciparum malaria, causes of anemia are due to all except__________________?
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A. Malabsorption

B. Spleen sequestration

C. Bone marrow depression

D. Hemolysis

5467. Which is type II hypersensitivity ?
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A. Cytotoxic / cytolytic type

B. Immune complex mediated

C. Anaphylaxis

D. Delayed hypersensitivity

5468. Delhi boil refer to_______________?
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A. L. Tropica sore

B. Venereal ulcer

C. Malignant pustule

D. Solar Keratosis

5469. Thread worm is______________?
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A. Ancylostoma

B. Ascaris

C. Enterobius

D. Necator

5470. The difference between sterilization and disinfection is that_______________?
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A. Sterilization is easier to achieve

B. Sterilization involves chemicals and disinfection involves physical methods

C. Sterilization kills all spores but disinfection does not

D. Disinfection kills all spores but sterilization does not

5471. Which of the following is true about amoebic liver disease ?
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A. Non-suppurative form is the serious form of extra intestinal amoebiasis

B. Trophozoites can be visualized in the pus

C. Portal system is the main filtration system

D. Left lobe of liver is commonly involved

5472. The mechanism of genetic transfer where a phage serves as a vehicle is_______________?
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A. Conjugation

B. Translation

C. Transformation

D. Lysogeny
5473. Certain viruses have been isolated in crytalline form and have been found to be_____________?
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A. Nucleotides

B. Phospholipids

C. Scleroproteins

D. Nucleoproteins
5474. The component that sensitizes bacteria and virus to UV irradiation_______________?
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A. Inorganic salts

B. Nucleic acids

C. Lipids

D. Carbohydrates

5475. All the following amoeba live in the large intestine except_________________?
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A. nana

B. gingivalis

C. coli

D. histolytica

5476. EBV is responsible for all except______________?
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A. Burkitts lymphoma

B. Nasopharyngeal carcinoma

C. Hepatoma

D. Infectious mononucleosis

5477. Fungal infection of human beings is called as_____________?
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A. Mucorsis

B. Fungosis

C. Micromia

D. Mycosis
5478. The protective effects breast milk are known to be associated with______________?
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A. Mast cells

B. IgM antibodies

C. Lysozyme

D. IgA antibodies
5479. Anti HBsAB indicates______________?
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A. Resistance to hepatitis B

B. Hepatocellular carcinoma

C. Acute infection

D. Good prognosis
5480. In transmission of malaria, mosquito bite transfers_______________?
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A. Merozoite

B. Hypnozoite

C. Sporozoite

D. Gametocyte

5481. Stain used to make the wetted area of filter paper strip more visible is_____________?
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A. Eosin stain

B. Blue stain

C. Ninhydrin stain

D. Haemotoxin stain

5482. Following reaction are produced by heterophil antigens except_____________?
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A. Paul bunnel reaction

B. Weil-Felix reaction

C. Forssman antigen antibody reaction

D. Widal reaction
5483. When horse serum is injected intravenoulsy in to a rabbit and again in to the skin two or three weeks later, what is the necrotizing reaction that occurs as the site of the second injection________________?
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A. Serum sickness

B. Atopy

C. Arthus phenomenon

D. Anaphylaxis

5484. Complement factor through which common pathway begins___________________?
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A. C3

B. C2

C. C5

D. Protein B

5485. Spores are disinfected by_______________?
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A. Glutaraldehyde

B. Betapropiolactone

C. Formaldehyde

D. Hexachlorophen

E. Both A & C
5486. CD4 count in normal healthy adult is_______________?
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A. 1000

B. 500

C. 300

D. 200

5487. Bacterial cell does not possess___________________?
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A. Mitochondria

B. Ribosome

C. dna

D. Cell wall

5488. IL-1 and TNF a during inflammation are secreted by______________?
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A. Lymphocytes

B. Platelet

C. Activated macrophages

D. Plasma cells

5489. Fungus capable to forming fungal ball is ________________?
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A. Rhizopus

B. Aspergillus

C. Penicillium

D. Mucor

5490. Salivary protein, which prevents transmission of human immunodeficiency virus via saliva, is____________?
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A. Secretory IgA

B. Histidine rich proteins

C. Salivary leukocyte proteinase inhibitor

D. Sialoperoxidase

5491. Virus infected cell is killed by________________?
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A. Interferons

B. Autolysis

C. Macrophages

D. Neutrophils

5492. Which of the following is not a kochs postulate ?
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A. Pure cultures can be obtained

B. The bacteria should be able to be isolated from a diseased tissue

C. When inoculated in experimental animals bacteria may or may not cause disease

D. Bacteria should be able to be isolated from the diseased tissue in the experimental animals

5493. Antigen combining site of the antibody is____________________?
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A. Hapten

B. Epitope

C. Idiotope

D. Paratope
5494. True about immune response of hepatitis B is__________________?
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A. CMI disappears soon after recover

B. Antibody to HBC is not protective

C. Highest titres of anti HBC are found in persistent carriers of HBs Ag

D. Antibody of HBs Ag is associated with resistance to infection
5495. Serological study for prevalence of Hepatitis B is best done by______________?
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A. Core antigen

B. Surface antigen

C. Core antibody

D. Surface antibody

5496. The best skin disinfectant is________________?
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A. Chlorhexdine

B. Alcohol

C. Savlon

D. None of the above

5497. Transmission of all of the following intestinal parasites takes place by the feco-oral route except______________?
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A. Strongyloides

B. Giardia lambia

C. Ascaris lumbriocoides

D. Entamoeba

5498. Babu, a 28 year old male comes with compaint of exposure 3 wks back, having cervical Lymphadenopathy, Hepatosplenomegaly. Diagnosis of HIV is done by____________?
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A. P24 antigen

B. Lymph node biopsy

C. ELISA

D. Western blot

5499. The distinguishing characteristic of a positive delayed type hypersensitivity skin test is______________?
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A. Erythema

B. Vasculitis

C. Induration

D. Necrosis

5500. The best way of detecting the presence of viruses in the infected cell culture is____________?
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A. Haemagglutination inhibition test

B. Cytopathic changes in culture cells

C. Presence of viral protein in the infected monolayer

D. Haemagglutination test