MCQ in herbal drug technology unit- 4 (Quiz -5) Pharmacognosy I evaluation of crude drug I Patenting I Regulatory Issues

 

PHARMACOGNOSY MCQ (Quiz-5)  

MULTIPLE CHOICE QUESTIONS

T. Y. B.PHARM (UNIT - 4) SEM-VI 

AS PER PCI SYLLABUS

1.Which of the following is not used as detector in gas chromatography?

  A) Flame ionization detector  
B) Electron capture detector
C) Katharometer
D) Nitrogen detector

... Answer is : D) Nitrogen detector.

2.To overcome the problem of badly tailed peaks in gas chromatography, the technique used called as:

A) Derivatisation
B) Gel permeation
C) PEEK
D) None of the above

... Answer is : A) Derivatisation

3. The spectral range of ultra-violet spectroscopy is

A) 780-3000nm
B) 380-780nm
C) 185-380nm
D) 3-40µm

... Answer is : C) 185-380nm

4.A The spectral range of infra red spectroscopy is

A) 3-40µm
B) 380-780nm
C) 185-380nm
D) 780-3000nm

... Answer is : A) 3-40µm.

5.A Which one of the following is not a type of bioassay method

A) Tissue
B) Titrimetric
C) Symptomatic
D) Toxic

... Answer is : B) Titrimetric

6.Crude fibre value of a drug is a measure of : (GATE 2004) .

A) Organic matter
B) Mineral matter
C) Soft tissue matter
D) Woody matter

... Answer is : D) Woody matter

7.In gel permeation chromatography molecules are separated on the basis of their (GATE 1995)

A) Adsorptive properties
B) Chemical nature
C) Size and shape
D) Partition coefficient

... Answer is : C)
Size and shape.

8.. The stationary phase used in gel permeation chromatography is - (GATE 2002)

A) Styrene divinyl benzyl copolymer
B) Charcoal
C) Squalene
D) Alumina

... Answer is : A)
Styrene divinyl benzyl copolymer.

9.Derivatization is done in G.C (GATE 2002)

A) to convert a polar compound to less polar compound
B) to liquefy a solid
C) to convert a less polar compound to a more polar compound
D) to make the compound non-volatile

... Answer is : C) To convert a less polar compound to a more polar compound

10.Gas chromatography techniques can be used for (GATE 1998)

A) Quantitative analysis only
B) Qualitative analysis only
C) Both A and B
D) None of these

... Answer is : C) Both A and B