Question 1

Diosgenin can be isolate by

Accepted Answer

A)  Alcoholic Extraction method
B)  Acid Hydrolysis Method
C)  Fermentation cum acid hydrolysis
D)  All of above D

Question 2

Rutin is isolated from

Accepted Answer

A)  Ginko biloba
B)  Ginko picrata
C)  Ginko lanata
D)  All of above A

Question 3

Atropine can be analysed by

Accepted Answer

A)  GC/MC Analysis
B)  HPLC Analysis
C)  HPTLC Analysis
D)  A & B D

Question 4

Atropine is obtained from

Accepted Answer

A)  Atropa belladonna
B)  Datura stramonium
C)  Hyocyamus niger
D)  All of above

Question 5

Refractive index value of Castor oil…..

Accepted Answer

A)  1.475-1.479
B)  1.464-1.468
C)  1.45-1.459
D)  1.51-1.52

Question 6

……………..is methylxanthin class drug.

Accepted Answer

A)  Caffeine
B)  Ephedrine
C)  Morphine
D)  Quinine

Question 7

Caffeine isobtained form

Accepted Answer

A)  Coffea arabica
B)  Coffea liberica
C)  Thea sinensis
D)  All of above

Question 8

Tannins produce deep red color with

Accepted Answer

A)  Potassium ferricyanide + ammonia
B)  Ferric chloride + ammonia
C)  Potassium ferricyanide + Ferric Chloride
D)  Vanillin HCl reagent

Question 9

Podophyllotoxin is obtained

Accepted Answer

A)  Podophyllum hexandrum
B)  Podophyllum emodi
C)  Podophyllum pellatum
D)  All of above

Question 10

Artemisin drug is used against

Accepted Answer

A)  Plasmodium falciparum
B)  Plasmodium vivex
C)  A & B
D)  None

Question 11

Sennosides are

Accepted Answer

A)  Hydroxyantracene glycosides
B)  Phenol glycoside
C)  Aldehyde glycoside
D)  Cyanophoric glycoside

Question 12

Tannin produce………………..color with ferric choride

Accepted Answer

A)  Dark Blue color
B)  Red color
C)  Yellow color
D)  Orange color

Question 13

Qualitative test for glycosides includes

Accepted Answer

A)  Raymond's Test
B)  Kiddes Reagents Test
C)  Tollen's Test
D)  All of above

Question 14

Analysis of caffeine can be done by

Accepted Answer

A)  HPLC
B)  UV/Vis Spectrophotometry
C)  FTIR Spectrophotometry
D)  All of above

Question 15

Vitali-Morin reaction is used for identification of

Accepted Answer

A)  Quinine
B)  Atropine
C)  Morphine
D)  Ephedrine

Question 16

Steptomycin can be identified by

Accepted Answer

A)  Maltol Formation
B)  Phenol reagent
C)  A & B
D)  None

Question 17

Family of Rauwolfia……

Accepted Answer

A)  Apocyanaceae
B)  Papaveraceae
C)  Gentaceae
D)  Solanaceae

Question 18

Borntrager's Test is used for detection of

Accepted Answer

A)  Antrhaquinone glycosides
B)  Cardiac glycosides
C)  Saponin glycosides
D)  Flavone Glycosides

Question 19

Artemisin is isolate from the plant

Accepted Answer

A)  Artemisia annua
B)  Artemisia aquatica
C)  Artemisia indica
D)  All of above

Question 20

Which natural product is used as Hypnotic Agents?

Accepted Answer

A)  Zizyphus jujuba
B)  Valeriana officinalis
C)  A & B
D)  None

Exam 3: Qualitative Tests and Natural Products