MCQ in Pharmacognosy UNIT - 5 (TEST - 2)

 

PHARMACOGNOSY MCQ (TEST 2)  

MULTIPLE CHOICE QUESTIONS

S. Y. B.PHARM (UNIT-5) SEM-IV 

AS PER PCI SYLLABUS

1. Cotton and flax are….

  A) Synthetic fibres  
B) Plant fibres
C) Animal fibres
D) Mineral fibres

... Answer is C)
Cotton and flax are Animal fibres. "

2. Cotton consists of hairs of the seeds of

A) Saraca indica
B) Gossypium barbadense
C) Arachis hypogaca
D) Cyamopsis tetragonolobus

... Answer is D)
Cotton consists of hairs of the seeds of Cyamopsis tetragonolobus. .

3. Raw cotton consists of........

A) 91% of cellulose
B) 62% of cellulose
C) 25% of cellulose
D) 54% of cellulose

... Answer is D)
Raw cotton consists of 54% of cellulose.

4. Purified absorbent cotton is almost a pure ....

A) Chitin
B) Cellulose
C) Talc
D) Sodium alginate

... Answer is A)
Purified absorbent cotton is almost a pure Chitin. "

5. Cotton is soluble in ……

A) KOH
B) Acetone
C) HCL
D) Cold 80% sulphuric acid

... Answer is B)
Cotton is soluble in Acetone. .

6. Gunny is …… .

A) Cannabis
B) Opium
C) Jute
D) Gentian

... Answer is A)
Gunny is Cannabis. .

7. Which of the following is not present in jute ?

A) Lignin 11%
B) Hemicellulose 22%
C) True cellulose 53%
D) Resins 15%

... Answer is D)
Resins 15%.

8. The length of individual jute fibre is ……

A) 20 to 30mm
B) 30 to 35mm
C) 10 to 17mm
D) 0.8 to 5mm

... Answer is A)
The length of individual jute fibre is 20 to 30mm.

9. Hemp fibres are prepared pericyclic fibres of the ……

A) Flowers
B) Stem
C) Root
D) Leaves

... Answer is B)
Hemp fibres are prepared pericyclic fibres of the Stem. .

10. The average length of hemp fibre is ……

A) 10-20mm
B) 35-40mm
C) 5-15mm
D) 5-8mm

... Answer is C)
The average length of hemp fibre is 5-15mm. "

11. The word "Enzyme" was coined by..

A) Thomas
B) Kuhne
C) Peter Evans
D) Wallis

... Answer is A)
The word "Enzyme" was coined by Thomas. .

12. Raw cotton consists of

A) 54% of cellulose
B) 91% of cellulose
C) 25% of cellulose
D) 62% of cellulose

... Answer is A)
Raw cotton consists of 54% of cellulose. .

13. Which is not the common use of cotton?

A) Filtering medium
B) Insulating material
C) Astringent
D) Surgical dressing

... Answer is B)
Insulating material .

14. Bimli jute is made from..

A) Citrus limon
B) Terminalia arjuna
C) Hibiscus carabinus
D) Boerhaavia diffusa

... Answer is D)
Bimli jute is made from Boerhaavia diffusa. .

15. The commercial stands of jute are...

A) 1 to 3 meter long
B) 6 to 60mm long
C) 10 to 20mm long
D) 1 to 5mm long

... Answer is B)
The commercial stands of jute are 6 to 60mm long. .

16. The botanical source of hemp fibres is..

A) Stems of Ephedra nebrodensis
B) Stems of Swertia chirata
C) Stems of Ephedra gerardiana
D) Stems of Cannabis sativa

... Answer is B)
The botanical source of hemp fibres is Stems of Swertia chirata. .

17. Hemp fibres mainly consist of ..

A) Pollen grains
B) Cellulose
C) Starch
D) Rhein

... Answer is B)
Hemp fibres mainly consist of Cellulose. .

18. Urokinase is isolated from...

A) Human lungs
B) Human saliva
C) Human urine
D) Human faeces

... Answer is C)
Urokinase is isolated from Human urine. .

19. Papain shows its maximum activity between pH..

A) 1 to 2
B) 2.5 to 4
C) 2 to 3
D) 5 to 6

... Answer is B)
Papain shows its maximum activity between pH 2.5 to 4. .

20. Isoelectric point of papain is ?

A) 5.7
B) 4.7
C) 1.7
D) 8.7

... Answer is D)
Isoelectric point of papain is 8.7. .