30 MCQs of Pharmacognosy-1 4th Semester MCQ Practice Set 1
Pharmacognosy-1 4th Semester MCQ Practice Set 1- General Introduction to Pharmacognosy
Multiple Choice Questions
1. Which of the following is not artificial drying technique?
a. Tray dryer
b. Spray dryer
c. Sun dryer
d. Vacuum dryer
2. Cinchona bark is dried using:
a. Sun dryer
b. tray dryer
c. Spray dryer
d. Vacuum dryer
3. Papaya latex, pectin’s etc are dried in:
a. Spray dryer
b. Vacuum dryer
c. Tray dryer
d. All of them
4. The drugs that are sensitive to heat are dried in:
a. Tray dryer
b. spray dryer
c. Sun dryer
d. Vacuum dryer
5. Gum acacia, seeds and fruits are dried in:
a. shade
b. sunlight
c. Tray dryer
d. Vacuum dryer
6. Crude drug storing premises should be:
a. Presence of water
b. Warm and hot
c. Water proof
d. None
7. Moisture absorption by some drugs leads to:
a. Microbial growth
b. impairs the quality
c. Increase the bulk
d. all of them
8. Drugs like gentians and ergot receive infestation due to excess moisture:
a. Viral
b. Bacterial
c. Mould
d. None
9. Oxygen sensitive drugs should be filled completely in closed container containing:
a. Oxygen
b. Nitrogen
c. Sulphur
d. Hydrogen
10. Pests found in crude drug is/ are:
a. Coleoptera
b. Lepidoptera
c. Archinida
d. all of them
11. Which of the following is common fumigant?
a. methyl bromide
b. Carbon dioxide
c. Hydrochloric acid
d. Nitrogendioxide
12. Pungent taste of ginger and capsicum comes under ……….. evolution:
a. Organoleptic evaluation
b. Microscopic evaluation
c. Chemical evaluation
d. Biological evaluation
13. Which of the following has more alcohol soluble extraction value?
a. Aloe
b. Siam benzion
c. Ginger
d. Myrrh
14. Microscopic evaluation is mostly used for the qualitative evaluation of a:
a. Unorganized drugs
b. Organized drugs
c. None of them
d. Both of them
15. Which type of stomata lobelia has?
a. Paracytic
b. Diacytic
c. Anisocytic
d. Anomocytic
16. Mayer’s test is performed to detect:
a. Glycosides
b. Alkaloids
c. Carbohydrates
d. Tannins
17. Molisch’s test is performed to detect:
a. Carbohydrates
b. Fat
c. Tannins
d. Alkaloids
18. Liebermann- Burchard’s test is carried out for the detection of:
a. Glycosides
b. Alkaloids
c. Tannins
d. Resin
19. Costly phytopharmaceuticals are preserved in:
a. Ice water
b. Sunlight
c. Refrigerators
d. Refrigerated temperature in well closed containers
20. Powder form of colophony get lost its solubility in either because of:
a. Oxidation
b. Reduction
c. Dryness
d. Wetness
21. Aloe Vera should have moisture content limit of:
a. 10% w/w
b. 20% w/w
c. 30% w/w
d/ 25% w/w
22. A crude drug when shaken in a bottle of water gives foam. It may be:
a. Saponin
b. Alkaloid
c. Glycosides
d. Lipids
23. According to IP, optical rotation is determined at the temperature of:
a. 20°C
b. 20-30°C
c. 22°C ± 2
d. 25°C
24. Senna is useful as:
a. Purgative
b. Antihypertensive
c. For sensation
d. Diuretic
25. THC is an active metabolite of:
a. Vasaka
b. Cannabis
c. Opium
d. Digitalis
26. Biuret test is positive for:
a. Alkaloids
b. Glycosides
c. Protein
d. Tannin
27. The scientific name of “Yarshagumba” is:
a. Cordyceps sienensis
b. Claviceps purpurea
c. Valeriona wallichi
d. None
28. Which of the following is not water soluble extract?
a. Aloe
b. Glycirrhiza
c. Seena
d. Capsicum
29. Which is the most optically active compound?
a. Resins
b. Carbohydrates
c. Lipids
d. Terpines
30. Dhatura is ………… bearing plant:
a. Alkaloid
b. Glycosides
c. Tannins
d. Resins
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