Pharmaceutical Mixing MCQ Quiz with answer | GPAT, Drug Inspector, DCO, Pharmacist, EXIT Exam

134

Created on July 21, 2023 By

Pharmapedia

Pharmaceutical Mixing MCQ Quiz

Topic- Mixing; No of MCQ-24;

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1 / 24

Uneven mixing leads one of the following problems in tablets manufacture

a) Content uniformity variation

b) Disintegration time fluctuates

c) Friability problems

d) Poor flow of granules

2 / 24

Mixing of semisolids is carried out using one of the following equipment

a) Double cone mixer

b) Fluidised bed mixer

c) Planetary mixer

d) Cube mixer

3 / 24

Which are the main objectives of mixing EXCEPT

a) Dispersion of solid in liquid to form suspension or paste

b) Dispersion of two immiscible liquids to form an emulsion

c) Dispersion of two solids to form a powder

d) None of the above

4 / 24

The mechanism of mixing in sigma blade is

a) Convective mixing

b) Diffusive mixing

c) Shearing

d) Tumbling

5 / 24

Convective mixing is also termed as

a) Diffusive mixing

b) Macro-mixing

c) Micro-mixing

d) Shear mixing

6 / 24

When two immiscible liquids are mixed or insoluble solids are mixed with water it forms

a) Positive mixtures

b) Negative mixtures

c) Neutral mixtures

d) Natural mixtures

7 / 24

Degree of mixing is also known as

a) Degree of homogeneity

b) Extent of mixing

c) Ordered mixing

d) Random mixing

8 / 24

Areas remaining unmixed are also called as

a) Void space

b) Dead spots

c) Vacuum space

d) Rarefied space

9 / 24

Rapid sonic homogenizer can be used for

a) Dry mixing

b) Wet mixing

c) Emulsification

d) Granulation

10 / 24

10.

Region of compression and refraction are produced in

a) Ultrasonic Emulsifier

b) Silverson Emulsifier

c) Gyrator

d) Sonar mode Vibrator

11 / 24

11.

Sigma blade produces

a) Cutting & mixing

b) Mixing & remixing

c) Shear & kneading

d) Cutting & remixing

12 / 24

12.

Which of these is NOT a mechanism of liquid mixing

a) Bulk transport mixing

b) Laminar mixing

c) Shear mixing

d) Turbulent mixing

13 / 24

13.

Which equipment is used for mixing of non-foaming liquids

a) Air-jet mixer

b) Flow mixer

c) Jet mixer

d) Pipe mixer

14 / 24

14.

The mechanism of mixing in Silverson mixer is

a) Convective mixing

b) Laminar mixing

c) Molecular diffusion

d) Turbulent mixing

15 / 24

15.

Molecular diffusion in liquid mixing can be explained by

a) Picks law

b) Stokes law

c) Rittinger’s diffusion

d) Convection law

16 / 24

16.

The force used for mixing-by-mixing equipment for pastes and dough is

a) Centrifugal smearing

b) Impact

c) Tumbling

d) All of the above

17 / 24

17.

Propeller, turbines and paddles are

a) Vanes

b) Baffles

c) Impeller

d) Shaft

18 / 24

18.

Which is the example of solid-liquid mixing

a) Aluminium hydroxide gel

b) Complex elixir

c) Cod liver oil emulsion

d) Ephedrine syrup

19 / 24

19.

Which of the following describes solid-liquid mixing the best

a) The end result of solid-liquid mixing is always dissolution

b) Solid-liquid mixing suspends coarse solids in the liquids

c) Solid-liquid mixing cannot break lumps of aggregated solids

d) Solid-liquid mixing suspends coarse solids in the liquids and break lumps of aggregated solids

20 / 24

20.

Rapid sonic homogenizer is useful only with liquids of

a) High viscosity

b) Intermediate viscosity

c) Low viscosity

d) Very high viscosity

21 / 24

21.

Which type of action is required for wet granulation, when planetary mixer is used

a) Agitator action

b) Blending action

c) Kneading action

d) Shearing action

22 / 24

22.

When paddle is used for mixing of liquids, the flow pattern of a fluid is

a) Axial and tangential

b) Axial or tangential

c) Radial and tangential

d) Radial or tangential

23 / 24

23.

Which one of these is NOT a factor influencing the selection of emulsifier

a) Conductivity of liquids

b) Quantity of emulsion to be prepared

c) Rheological properties of liquids

d) Temperature maintenance

24 / 24

24.

In colloid mill the rotor rotates at a speed of

a) 2000-10000 r.p.m

b) 3000-10000 r.p.m

c) 2000-20000 r.p.m

d) 3000-20000 r.p.m

Your score is

The average score is 35%

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The average score is 52%

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/12

Created on August 18, 2022 By

Pharmapedia

Microbiology

Microbiology QUIZ Part IV-STERILISATION AND DISINFECTION

1 / 12

The process by which an article, surface or medium is made free of all microorganisms either in the vegetative spore form is known as:

A) Sterilisation

B) Disinfection

C) Asepsis

D) None of the above

2 / 12

Chemical disinfectants which can be safely applied to living tissues to prevent infection are known as:

A) Antiseptics

B) Formaldehyde

C) Ethylene oxide

D) None of the above

3 / 12

Temperature and time period used in hot air oven is:

A) 160℃ for two hours

B) 140℃ for two hours

C) 160℃ for one hours

D) None of the above

4 / 12

Temperature and time period used in holder method of Pasteurization is

A) 63℃ for 30 minutes

B) 63℃ for 50 minutes

C) 72℃ for 20 seconds

D) 72℃ for 40 seconds

5 / 12

Which of the following bacteria can survive in holder method of Pasteurization?

A) Bordetella pertussis

B) Coxiella burnetii

C) Salmonella typhi

D) Mycobacterium bovis

6 / 12

Stream sterilization at 100 for 20 minutes on three successive days is known as

A) Tyndallisation

B) Inspissation

C) Pasteurisation

D) Vaccine bath

7 / 12

Which of the following sterilization conditions are used in autoclave?

A) 121℃, 15 pounds pressure/sq inch, 15 minutes

B) 160℃, 20 pounds pressure/sq inch, 20 minutes

C) 140℃, 10 pounds pressure/sq inch, 15 minutes

D) None of the above

8 / 12

Which bacterial spores are used as sterilization control in autoclave?

A) Clostridium perfringens

B) Bacillus cereus

C) Bacillus stearothermophilus

D) Pseudomonas aeruginosa

9 / 12

Gamma radiations can be used for sterilization of:

A) Plastic syringes

B) Catheters

C) Swabs

D) All of the above

10 / 12

Glutaraldehyde is used for sterilization of

A) Cystoscopes

B) Endoscopes

C) Bronchoscopes

D) All of the above

11 / 12

The most widely used disinfectant for human immunodeficiency virus (HIV) infected material is

A) Hypochlorite solution

B) Lysol

C) Formaldehyde

D) Mercuric chloride

12 / 12

Which of the following is used commercially for sterilization of disposable plastic items?

A) Ethylene oxide

B) Autoclave

C) Glutaraldehyde

D) Ethyl alcohol

Your score is

The average score is 54%

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118

Created on September 04, 2022 By

Pharmapedia

Microbiology QUIZ Part XII- Virus, Virus-Host Interaction & Bacteriophage

1 / 24

Which of the following character/s is/are due to lysogenic conversion?

Production of toxin in Corynebacterium diphtheria

Production of toxin in Clostridium botulinum type C

Antigenic variation is Salmonella anatum

All of the above

2 / 24

In which of the following processes, bacteriophage may act as carrier of genes from one bacterium to another?

Transformation

Transduction

Conjugation

Transposition

3 / 24

The area of lysis on a bacterial growth caused by a phage is known as:

Plaque

Pock

Prophage

None of the above

4 / 24

Which of the following bacteria can be typed by using phages??

Salmonella typhi

Staphylococcus aureus

Bacillus anthracis

All of the above

5 / 24

Bacteriophage that parasitises a bacterium without lysing it, is known as :

Temperate phage

Virulent phage

Both of the above

None of the above

6 / 24

Which of the following drugs is/are active against HIV?

Zidovudine

Indinavir

Dideoxycytidine

All of the above

7 / 24

Amantidine is used in the treatment of

Herpes simplex infections

Hepatitis B infections

HIV infections

Influenza

8 / 24

Acyclovir is used in the treatment of :

Herpes simplex infections

Hepatitis B infections

HIV infections

Influenza

9 / 24

Which of the following vaccines is killed vaccine?

Measles vaccine

Rubella vaccine

Rabies vaccine

Mumps vaccine

10 / 24

All of the following vaccines are live except

Measles vaccine

Rubella vaccine

Yellow fever vaccine

All of the above

11 / 24

Electron microscopy can be used for the laboratory diagnosis of:

Rotavirus infections

Hepatitis A virus infections

Adenovirus infections

All of the above

12 / 24

All of the following viruses may be transmitted through genital tract except

Herpes simplex virus

Hepatitis C virus

Papilloma virus

Coronavirus

13 / 24

All of the following viruses are transmitted by the respiratory route except

Coronivirus

Measles virus

Rubella virus

Norwalk virus

14 / 24

Intracytoplasmic inclusion bodies are found in cells infected with:

Rabies virus

Vaccinia virus

Molluscum contagiosum virus

All of the above

15 / 24

Which of the following routes of inoculating embryonated hen’s egg is/are used for cultivationof viruses?

Chorioallantoic membrane

Allantoic cavity

Amniotic cavity

All of the above

16 / 24

Which of the following is a diploid cell line?

Hela

WI-38

McCoy

BHK-21

17 / 24

Which of the following is the continuous cell line used in diagnostic virology?

Rhesus monkey kidney cell culture

Human amnion cell culture

Human embryonic lung cell stain

Human carcinoma of cervix cell line

18 / 24

Which of the following viruses is/are enveloped?

Herpesviruses

Adenoviruses

Papovaviruses

None of the above

19 / 24

Which of the following viruses is/are non-enveloped?

Papovaviruses

Picornaviruses

Adenoviruses

All of the above

20 / 24

Poxviruses show

Icosahedral symmetry

Helical symmetry

Complex symmetry

None of the above

21 / 24

Enveloped viruses are susceptible to:

Ether

Chloroform

}Both of the above

None of the above

22 / 24

Which of the following is the smallest virus?

Papovavirus

Parvovirus

Adenovirus

Reovirus

23 / 24

Which of the following is the largest virus?

Smallpox virus

Parvovirus

Coronavirus

Adenovirus

24 / 24

Which of the following characteristics are true for viruses?

Obligate intracellular infective agents

Contain either DNA or RNA

Do not multiply by binary fission

All of the above

Your score is

The average score is 34%

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Created on August 14, 2022 By

Pharmapedia

Microbiology

Pharmapedia

Microbiology QUIZ -Part II – MICROSCOPY AND MORPHOLOGY OF BACTERIA

1 / 6

Indian ink staining is used to demonstrate

Cell wall

Bacterial capsule

Bacterial flagella

Bacterial spore

2 / 6

All of the following are spore forming bacteria except

Clostridium botulinum

Bacillus subtilis

Bacillus anthracis

Pseudomonas aeruginosa

3 / 6

Which one of the following bacteria is cell wall deficient?

Escherichia coli

Salmonella typhi

Mycoplasma

Treponema pallidum

4 / 6

A tuft of flagella present at one or both ends of bacterial cell, is known as

Monotrichous

Amphitrichous

Lophotrichous

Peritrichous

5 / 6

Lipopolysaccharide is a major component of cell wall in

Gram positive bacteria

Gram negative bacteria

Fungi

Parasites

6 / 6

Peptidoglycan layer of cell wall is thicker in

Gram positive bacteria

Gram negative bacteria

Fungi

Parasites

Your score is

The average score is 49%

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Uneven mixing leads one of the following problems in tablets manufacture

Mixing of semisolids is carried out using one of the following equipment

Which are the main objectives of mixing EXCEPT

The mechanism of mixing in sigma blade is

Convective mixing is also termed as

When two immiscible liquids are mixed or insoluble solids are mixed with water it forms

Degree of mixing is also known as

Areas remaining unmixed are also called as

Rapid sonic homogenizer can be used for

Region of compression and refraction are produced in

Sigma blade produces

Which of these is NOT a mechanism of liquid mixing

Which equipment is used for mixing of non-foaming liquids

The mechanism of mixing in Silverson mixer is

Molecular diffusion in liquid mixing can be explained by

The force used for mixing-by-mixing equipment for pastes and dough is

Propeller, turbines and paddles are

Which is the example of solid-liquid mixing

Which of the following describes solid-liquid mixing the best

Rapid sonic homogenizer is useful only with liquids of

Which type of action is required for wet granulation, when planetary mixer is used

When paddle is used for mixing of liquids, the flow pattern of a fluid is

Which one of these is NOT a factor influencing the selection of emulsifier

In colloid mill the rotor rotates at a speed of

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Category: Microbiology

Low redox potential of culture medium is required for growth of

The bacteria which require higher level of carbon dioxide for their growth are known as

Which one of the following bacteria can grow in acidic pH?

Bacteria which can grow at temperature between 25 and 40 are known as

Generation time of Mycobacterium tuberculosis is about

The process by which an article, surface or medium is made free of all microorganisms either in the vegetative spore form is known as:

Chemical disinfectants which can be safely applied to living tissues to prevent infection are known as:

Temperature and time period used in hot air oven is:

Temperature and time period used in holder method of Pasteurization is

Which of the following bacteria can survive in holder method of Pasteurization?

Stream sterilization at 100 for 20 minutes on three successive days is known as

Which of the following sterilization conditions are used in autoclave?

Which bacterial spores are used as sterilization control in autoclave?

Gamma radiations can be used for sterilization of:

Glutaraldehyde is used for sterilization of

The most widely used disinfectant for human immunodeficiency virus (HIV) infected material is

Which of the following is used commercially for sterilization of disposable plastic items?

Which of the following character/s is/are due to lysogenic conversion?

In which of the following processes, bacteriophage may act as carrier of genes from one bacterium to another?

The area of lysis on a bacterial growth caused by a phage is known as:

Which of the following bacteria can be typed by using phages??

Bacteriophage that parasitises a bacterium without lysing it, is known as :

Which of the following drugs is/are active against HIV?

Amantidine is used in the treatment of

Acyclovir is used in the treatment of :

Which of the following vaccines is killed vaccine?

All of the following vaccines are live except

Electron microscopy can be used for the laboratory diagnosis of:

All of the following viruses may be transmitted through genital tract except

All of the following viruses are transmitted by the respiratory route except

Intracytoplasmic inclusion bodies are found in cells infected with:

Which of the following routes of inoculating embryonated hen’s egg is/are used for cultivationof viruses?

Which of the following is a diploid cell line?

Which of the following is the continuous cell line used in diagnostic virology?

Which of the following viruses is/are enveloped?

Which of the following viruses is/are non-enveloped?

Poxviruses show

Enveloped viruses are susceptible to:

Which of the following is the smallest virus?

Which of the following is the largest virus?

Which of the following characteristics are true for viruses?

Which is the first human disease proved to be of viral origin?

Who introduced vaccination method for prevention of small pox?

Who proposed ‘side chain theory’ of antibody production?

Who discovered Mycobacterium tuberculosis?

Who introduced methods of obtaining bacteria in pure cultures using solid media?

The term vaccine was coined by:

Who introduced the techniques of sterilization?

Who is known as the Father of Microbiology?

Who is known as the ‘Father of Chemotherapy’?

Indian ink staining is used to demonstrate

All of the following are spore forming bacteria except

Which one of the following bacteria is cell wall deficient?

A tuft of flagella present at one or both ends of bacterial cell, is known as