Extraction MCQ
1. Alcoholic solution of volatile substance is called as
a. Tincture
b. Spirit
c. Infusion
d. None
2. Tincture of orange is prepared by
a. Infusion
b. Maceration
C. Percolation
d. Decoction
3. The hydroalcoholic preparation containing therapeutic constituents of crude drugs are
a. Extract
b. Tinctures
C. Infusions
d. Decoctions
4.______are dilute solutions containing readily soluble constituents of the crude drug.
a. Percolation
b. Decoction
c. Infusion
d. Maceration
5. If the drugs have a maximum therapeutic value which process is used for extraction?
a. Percolation
b. Decoction
c. Infusion.
d. Maceration
6. For extraction of thermolabile drugs which extraction process should be used?
A. Percolation.
B. Maceration
C. Decoction
D. Both a and b
7. The solvent used for extraction is known as….
A. Distillate
B. Extract
C. Marc
D. Menstruum
8. The inert insoluble material that remains after extraction is called…
A. Distillate
B. Extract
C. Marc
D. Menstruum
9. Identify the process used for extraction,
A. Infusion
B. Decoction
C. Digestion
D. All of the above
10. Following are the processes used for extraction except…
A. Maceration
B. Sublimation
C. Digestion
D. Percolation
11. Preparations like Infusions, decoctions, spirits, elixirs are commonly known as…
A. Pharmaceuticals
B. Galenicals
C. Nutraceuticals
D. Cosmeceuticals
12. Solvent used for extraction is,
A. Water
B. Alcohol
C. Ether
D. All of the above
13. What is the disadvantage of alcohol as a solvent for extraction?
A. Toxicity
B. Stability
C. Cost
D. Selectivity
14. Pouring water over the drugs and then allowing it to keep in contact with water usually 15 min is called
A. Infusion
B. Decoction
C. Percolation
D. Digestion
15. In the Process the drug is boiled with water for a mated period usually 10 min.
A. Infusion
B. Maceration
C Decoction
D. Percolation
16. Extraction does not involve one of the following components
A. Active constituents
B. Solvent
C. Vapour
D. Crude solids
17. If the crude material is in an unorganized state __________________method is proffered for extraction.
Maceration
18. When a drug is extracted by heating at a particular pressure the process is called as………….
Digestion
19. Alcohol is used as ……………in the maceration process.
Menstruum
20. Leaching by immersion of crude material is also known as…………
Maceration
21. Removal of soluble constituents from solid or liquid with help of a suitable solvent is called —–
A. Filtration
B. Size reduction
C. Mixing
D.Size separation
22. The methods of extraction are
A. Maceration
B. Percolation
C. Decoction
D. All
23. The term maceration is derived from the Latin word ——
A. Menstruum
B. Marc
C. Macerate
D. None
24. Exhaustive extraction is also known as
A. Maceration
B. Percolation
C. Decoction
D. Digestion
25. The solvent extraction is also called as……
A. Liquid-Liquid extraction
C. Solid-Liquid extraction
B. Liquid extraction
D. Solid extraction
Also Read: Extraction- Classification, Methods, and Important Applications
