IMPORTANT MCQS OF PHARMACOGNOSY (81-90)

 THESE ARE VERY IMPORTANT MCQS IN PHARMACIST COMPETITIVE EXAMS

81.A volatile oil used as mosquito repellant is?

A. Pyrethrum oil

B. Lemongrass oil

C. Rosemary oil

D. Citronella oil

82.Dog senna is an adulrerant of senna which is obtained from

A. Cassia auriculata

B. Cassia obovata

C. Cassia fistula

D. Cassia cinnamon

83.Cutin and suberin on treatement with chlor-zinc-iodine give

A. Green colour

B. Blue colour

C. Yellow colour

D. Pink colour

84.The alkaloid theobromine of Theobroma cacao is mainly present in

A. Shell

B. Bark

C. Leaves

D. Root

85.Numerous fine cracks are present on the outer surface of a gum known as

A. Acacia gum

B. Sterculia gum

C. Tragacanth

D. Guar gum

86.Slow decomposition of oils and fats into keto-acids,oxides, peroxides, and free acids is called

A. Rancidity

B.Acidity

C. Basicity

D. Saponification

87.Cinchina bark is obtained from cinchona succirubra belonging to the family

A. RubiacAcrid

B. Erythroxylaceae

C. Apocynaceae

D. Berberidaceae

88.The part of Ipomoea purga, a source of Jalap, is

A. Leaves

B. Seeds

C. Tuberous roots

D. Fruits

89.The taste of glycoside of Gentiaceae

A.Sweet

B. Salty

C. Bitter

D. Acrid

90.Banafsha consists of the dried flowers or aerial parts of

A. Andrographis paniculata

B. Swertia chirata

C. Viola odorata

D. Melia indica

Answer key

81 B  82.B  83.C  84.A  85.A  86.A  87.A  88.C  89.C  90.C