Pharmacognosy mcqs (301_310)

  301.CNS stimulant is

A.Theophyllin

B.Hyoscine

C.Theobromine

D.Caffeine

Ans.D

302.Alkaloids are not precipitated by

A.Mayer's reagent

B.Dragendroff's reagent 

C.Picric acid

D.Millon's reagent 

Ans.D

303.Animocytic stomata are present in

A.Senna

B.Digitalis 

C.Coca

D.Belladonna

Ans.B

304.Bacapa monnieri plant belongs to the family

A.Scrophularaceae

B.Leguminasae

C.Polygonaceae

D.Rubiaceae

Ans.A

305.Which of the following drugs is a triterpenoid containing drug

A.Shatavari

B.Brahmi

C.Valerian

D.None

Ans.C

306.The vitamin essential for tissue culture medium 

A.Thiamine

B.Inosital

C Pyridoxin

D.Nicotinic acid

Ans.A

307.The amount of barbaloin present in Aloe Vera is

A.1%

B.3.5_4%

C.1_1.5%

D.2_2.5%

Ans.B

308.True alkaloids are always present in plants as

A.Salts of muconinic acid

B.Salts of organic acid

C.Salts of chlorogenic acid

D.Salts of inorganic acid

Ans.B

309.Quassia wood is adulterated with

A.Brucea antidysentrica

B.Cassia angustifolia

C.Cephaelis ipecacuanha

D.Cinnamomum zeylanicum

Ans.A

310.Delicate perfumes are extracted by

A.Hydrodistillation

B.Effleurage

C.Ecuelle

D.Liquid carbon dioxide

Ans.B