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Recently added practice questions

6941. Oral ulcers which occurs in groups, persist for about 6 weeks and leave scars on healing are______________?
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A. Acute herpetic gingivostomatitis

B. Recurrent herpetiform ulcers

C. Recurrent aphthous major

D. Recurrent aphthous minor

6942. Oral lesions are not seen in:_________?
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A. Candidiasis

B. Psoriasis

C. Pemphigoid

D. Stevens Johnson syndrome

6943. Oral hairy leukoplakia is seen in which of the following conditions ?
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A. Hepatitis B

B. AIDS

C. Smokers keratitis

D. Candidiasis

6944. Oral contraceptive failure occurs in a patient on Rifampicin because of____________?
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A. Rifampicin induce the metabolism of contra ceptive

B. Rifampicin antagonize the action of oral contraceptive

C. Rifampicin simulates gonadotropin relase from pituitary

D. Rifampicin decrease the secretion of progestin

6945. Optimum reflux ratio in a continuous distillation column is determined by the__________________?
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A. None of these

B. Total cost consideration (fixed cost of the column plus the cooling water & steam cost)

C. Flooding limit of the column

D. Maximum permissible vapour velocity

6946. Optimum economic pipe diameter for fluid is determined by the___________________?
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A. Density of the fluid

B. Viscosity of the fluid

C. Total cost considerations (pumping cost plus fixed cost of the pipe)

D. None of these

6947. Optimum economic pipe diameter for fluid is determined by the___________________?
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A. Total cost considerations (pumping cost plus fixed cost of the pipe)

B. Viscosity of the fluid

C. Density of the fluid

D. None of these

6948. Optimum economic pipe diameter for fluid flow is determined by the____________________?
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A. Density of the fluid

B. Viscosity of the fluid

C. Total cost considerations (pumping cost plus fixed cost of the pipe)

D. None of these

6949. Optical activity of a solution can be determined using a ___________________?
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A. Dilatometer

B. Polarograph

C. Polarimeter

D. Refractometer

6950. Optic fibers are mainly used for which of the following:
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A. None of these

B. Communication

C. Weaving

D. Food indudtry

6951. Opsonisation is by_______________?
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A. IgA

B. IgE

C. IgG

D. IgM

E. Both C & D
6952. Opportunistic infection is caused by___________________?
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A. Mucor

B. Penicillium

C. Aspergillus

D. All of the above
6953. Opportunistic infection is caused by___________________?
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A. Mucor

B. Aspergillus

C. All of the above

D. Penicillium

6954. Opium is __________ type of poison?
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A. Feeble

B. None of above

C. Somiferous

D. Normal

6955. Opinion of expert upon any point of law or fact is _______________?
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A. None of these

B. Relevant

C. Irrelevant

D. Depends upon circumstances

6956. Opinion of expert upon any point of law or fact is _______________?
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A. Depends upon circumstances

B. None of these

C. Relevant

D. Irrelevant

6957. operculum is present in________?
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A. sea fish

B. cartilaginous fish

C. bony fish

D. None of these

6958. Operation of McLeod gauge used for low pressure measurement is based on the principle of_________________?
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A. Boyles law

B. McLeods law

C. Pascals law

D. Charles law

E. gas law

6959. Operating velocity in a packed tower is usually __________________ the flooding velocity ?
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A. Twice

B. Half

C. More than

D. Equal to

6960. Operating temperature and pressure in catalytic reforming is about_____________?
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A. 5-10 kgf/cm2 & 150 250C

B. 50 75 kgf/cm2 & 600 800C

C. 1-5 Kgf/cm2 & 200C

D. 15-45 Kgf/cm2 & 450-550C

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