PHARMACOGNOSY MCQ (TEST 8)  

MULTIPLE CHOICE QUESTIONS

S. Y. B.PHARM (UNIT-II) SEM-IV 

AS PER PCI SYLLABUS




1. Digitalis leaves should be dried at a temperature ...
      A) above 60° C


... Answer is B)
Digitalis leaves should be dried at a temperature below 60°C. "

2. Colchicum corm should be dried at a temperature ....




... Answer is D)
Colchicum corm should be dried at a temperature not exceeding 65°C. .

3. The well known fumigants which are used for disinfecting the crude drugs during storage is: (A) Methyl bromide (B) Hydrogen sulphide (C) Oxygen (D) Mixture of ethylene oxide and carbondioxide





... Answer is C)
A, D


4. During storage oxygen of the air can deteriorate the drugs containing volatile oil, hence it is replaced by :




... Answer is A)
During storage oxygen of the air can deteriorate the drugs containing volatile oil, hence it is replaced by Nitrogen. "

5. The plant hormone which shows specific effect on the cell division is :-(Gate 2001)




... Answer is D)
The plant hormone which shows specific effect on the cell division is Cytokinins. .

6. Polyploidy is defined as .. .




... Answer is D)
Polyploidy is defined as Multiplication of entire chromosome set .
7. The most effective method for producing virus - free plants is ....




... Answer is A)
The most effective method for producing virus - free plants is Somatic embryogenesis.

8. Suitable gas used as solvent in Super critical fluid extraction is ……





... Answer is D)
Suitable gas used as solvent in Super critical fluid extraction is CO2

9. Under stressed water, ABA hormone is acts as ……





... Answer is B)
Under stressed water, ABA hormone is acts as Closing of stomata. .
10. Natural occurring Auxin is ……




... Answer is D)
Natural occurring Auxin is IBA. "