Top 80+ Solved Pharmacognosy 4 MCQ Questions Answer
Q. Which method is not used for evaluation of volatile oil containing drugs?
a. Noller test
b. Salkowski test
c. Antimony trichloride
d. All of Above
Q. Which Precaution taken against contamination and mixing of herbal drugs in manufacturing?
a. Not required exhaust system
b. Using appropriate pressure differential in the process area
c. Expert technical staff are not required
d. all of above
Q. The manufacturing plant should have adequate space for
a. Manufacturing process area
b. Quality control section area
c. Finished good store
d. All of Above
Q. Which qualitative methods used for alkaloids?
a. Mayer’s test
b. Wagner’s test
c. Dragendroff’s test
d. All of above
Q. What are the charecteristics of volatile oil
a. Strong odour and smell
b. Do not leave permanent grease spot
c. Solid form
d. a and b
Q. Alkaloid react with HNO3 and brucine give
a. Red colour
b. Yellow colour
c. Orange colour
d. Pink colour
Q. Which method are used for Qualitative analysis?
a. HPLC
b. HPTLC
c. Colum chromatography
d. all of above
Q. Which method are used for preparation of herbal extract?
a. Sublimation
b. Digestion
c. HPLC
d. a and b
Q. What is the disadvantage of ultrasonic extraction
a. formation of free radicle
b. low cost
c. less time
d. all of above
Q. which parameter are affect to super critical fluid extraction method
a. pressure
b. density
c. temperature
d. a and c
Q. Estimation of Embelica officinalis by
a. vitali morine test
b. Total phenolic content
c. TLC
d. all of above
Q. which constituent are preseant in Allium sativum
a. Allin
b. allyl propyl amine
c. diallyl tri sulphate
d. all of above