MCQ Pharmacognosy UNIT - 5 (TEST - 1)

 

PHARMACOGNOSY MCQ (TEST 1)  

MULTIPLE CHOICE QUESTIONS

S. Y. B.PHARM (UNIT-5) SEM-IV 

AS PER PCI SYLLABUS

1. Bast fibres are separated from stem by ……

  A) Retting  
B) Peeling
C) Cutting
D) Mulching

... Answer is A)
Bast fibres are separated from stem by Retting. "

2. Example of bast fibre from seed is ……

A) Bamboo
B) Flax
C) Soya
D) Palm

... Answer is C)
Example of bast fibre from seed is Soya. .

3. Pulping process is used to remove the ……

A) Cellulose
B) Mineral
C) Lignin
D) None

... Answer is c)
Pulping process is used to remove the Lignin.

4. Cuoxam solution contains ……

A) Alkaline copper oxide
B) Ammoniacal copper nitrate
C) Ammoniacal copper sulphate
D) Ammoniacal copper oxide

... Answer is D)
Cuoxam solution contains Ammoniacal copper oxide. "

5. Cotton fibres are separated from seeds by ……

A) Peeling
B) Plucking
C) Ginning
D) Retting

... Answer is c)
Cotton fibres are separated from seeds by Ginning. .

6.Hemp contains …… .

A) High cellulose and low lignin
B) High lignin and low cellulose
C) High cellulose and low protein
D) High lignin and low protein

... Answer is A)
Hemp contains High cellulose and low lignin. .

7. Aflatoxin is produced by ……

A) Aspergillus versicolor
B) A. purpurea
C) A. purpurea
D) A. flavus

... Answer is D)
Aflatoxin is produced by A. flavus

8. Glyceraldehyde is an example of ……

A) Biose
B) Triose
C) Tetrose
D) Pentose

... Answer is B)
Glyceraldehyde is an example of Triose.

9. Fabric is prepared from ……

A) Cellulose
B) Chitin
C) Hemicellulose
D) None of these

... Answer is A)
Fabric is prepared from Cellulose. .

10. The reagent mixture of copper acetate and acetic acid is known as ……

A) Bial’s reagent
B) Benedict’s reagent
C) Selwanoff’s reagent
D) Barfoed reagent

... Answer is D)
The reagent mixture of copper acetate and acetic acid is known as Barfoed reagent. "

11. Dietary fibres are used for

A) Astringent
B) Laxative
C) Anti-tussive
D) Antioxidant

... Answer is B)
Dietary fibres are used for Laxative. .

12. Example of bast fibre from grass is ……

A) Agave
B) Coir
C) Hemp
D) Bamboo

... Answer is D)
Example of bast fibre from grass is Bamboo. .

13.“Asbestos” is an example of ……

A) Synthetic fibre
B) Mineral fibre
C) Wood fibre
D) Animal fibre

... Answer is B)
“Asbestos” is an example of Mineral fibre. .

14. Millon’s reagent reacts with animal fibre to give …… precipitate.

A) Red
B) Violet
C) Yellow
D) White

... Answer is A)
Millon’s reagent reacts with animal fibre to give Red precipitate. .

15. Length of fibre between 20 mm to 24 mm is known as ……

A) Long staple cotton
B) Medium staple cotton
C) Short staple cotton
D) None of these

... Answer is B)
Length of fibre between 20 mm to 24 mm is known as Medium staple cotton. .

16. Photodynamic agents are required …… for their action with …….

A) N2
B) H2
C) O2
D) CO2

... Answer is C)
Photodynamic agents are required O2 for their action with ……. .

17. Claviceps purpurea causes ……

A) Stearigmatocystin
B) Ochratoxin
C) Ergotoxin
D) None of these

... Answer is C)
Claviceps purpurea causes Ergotoxin. .

18. Hemicellulose is an example of ……

A) Pentose
B) Biose
C) Triose
D) Tetrose

... Answer is A)
Hemicellulose is an example of Pentose. .

19. Benedict’s test for carbohydrates gives …… precipitate.

A) Purple colour
B) Reddish
C) Violet colour
D) Brown colour

... Answer is B)
Benedict’s test for carbohydrates gives Reddish precipitate. .

20. Chemical test that is used to differentiate aldohexoses from ketohexoses is ……

A) Fehling’s test
B) Bial's test
C) Barfoed's test
D) Seliwanoff's test

... Answer is D)
Chemical test that is used to differentiate aldohexoses from ketohexoses is Seliwanoff's test. .