PHARMACOGNOSY / P' Analysis 

 MCQ (TEST 10)  

MULTIPLE CHOICE QUESTIONS

S. Y. B.PHARM (UNIT-I) SEM-IV AS PER PCI SYLLABUS




1. In gel permeation chromatography molecules are separated on the basis of their (GATE 1995)
      A) Chemical nature


... Answer is C)
In gel permeation chromatography molecules are separated on the basis of their Size and shape "

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




... Answer is C)
Gas chromatography techniques can be used for Both A and B .

3. Derivatization techniques in HPLC are intended to enhance (GATE 2004)





... Answer is C)
Derivatization techniques in HPLC are intended to enhance Detectability


4. Choose the correct semi-rigid gel used for exclusion chromatography- (GATE 2000)




... Answer is A)
Choose the correct semi-rigid gel used for exclusion chromatography Sephadex "

5. In HPLC, the analytical performance improves when -(GATE 2007)




... Answer is B)
In HPLC, the analytical performance improves when Particle diameter is reduced. .

6. Silica gel used in most of adsorbent columns contains-OH group. So it is : (GATE 2005) .




... Answer is C)
Silica gel used in most of adsorbent columns contains-OH group. So it is Acidic .
7. What is the nature of mobile phase in reverse phase chromatography?(NIPER M. PHARM 2004)




... Answer is A)
Polar

8. Partition Chromatograph is known as : (NIPER M. PHARM 2004)





... Answer is C)
Partition Chromatograph is known as Liquid-liquid

9. Solvent programming, also called gradient elution, involves :- (GATE 2007)





... Answer is D)
Solvent programming, also called gradient elution, involves Changing the mobile phase composition. .
10.Ion exchange capacity of a resin is dependent on :- (GATE 2002)




... Answer is C)
Ion exchange capacity of a resin is dependent on the total number of ion active groups "