MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Bachelor of Pharmacy (BDot Pharma) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which one of the following will travel fastest through the gel if the amount of DNA present is same in all? |
| A. | Circular |
| B. | Supercoiled |
| C. | Nicked |
| D. | Supercoiled and circular will move at same speed and faster than nicked |
| Answer» C. Nicked | |
| 2. |
Polyacrylamide gels are the other types of gels which are commonly used. Which of the following statement is not correct with respect to these types of gels? |
| A. | They are obtained via polymerization between acrylamide and bis-acrylamide |
| B. | The components added for initiating polymerization are ammonium persulphate and TEMED |
| C. | It is casted in horizontal and flat trays |
| D. | TEMED catalyses the formation of free radicals from persulphate ions which leads to initiation of cross-linking |
| Answer» D. TEMED catalyses the formation of free radicals from persulphate ions which leads to initiation of cross-linking | |
| 3. |
Gel matrices are generally of two types Agarose and Polyacrylamide. Which of the statements is correct with respect to agarose gels. |
| A. | Agarose is a polysaccharide which is obtained from red algae |
| B. | Agarose is a polysaccharide obtained from fungus |
| C. | It is composed of glucose residues |
| D. | It is obtained via dissolving in its water by boiling in water and then cooling it |
| Answer» B. Agarose is a polysaccharide obtained from fungus | |
| 4. |
If the amount of agarose added is more, the molecular under analysis should have the following characteristic .. |
| A. | small size |
| B. | large size |
| C. | size has no relation with the amount of agarose |
| D. | the amount of molecules under analysis matters |
| Answer» B. large size | |
| 5. |
The charge present on the DNA backbone is negative. The force required to accelerate the molecules towards anode is directly proportional to the number of ____________ |
| A. | sugar molecules |
| B. | nitrogenous bases |
| C. | phosphate groups |
| D. | both phosphate group and sugar molecules |
| Answer» D. both phosphate group and sugar molecules | |
| 6. |
Self micro emulsifying drug delivery systems (SMEDDSs) form transparent micro emulsions with droplet size of less than__________. |
| A. | 50 nm |
| B. | 70 nm |
| C. | 100 nm |
| D. | 200 nm |
| Answer» B. 70 nm | |
| 7. |
Which theory use for the attractive electrostatic forces between glycoprotein Mucin network & the bio adhesive/ mucoadhesive material? |
| A. | Electronic theory |
| B. | Wetting theory |
| C. | Adsorption theory |
| D. | Diffusion theory |
| Answer» B. Wetting theory | |
| 8. |
A method of permeation enhancement that involves the use of charged chemical components across the skin membrane using an electric field. |
| A. | Iontophoresis |
| B. | Sonophoresis |
| C. | Electrophoresis |
| D. | Ion exchange |
| Answer» B. Sonophoresis | |
| 9. |
A physical method of permeation enhancement that involves the use of high frequency ultrasound. It is thought to influence the integrity of the SC and thus affect its penetrability. |
| A. | Iontophoresis |
| B. | Sonophoresis |
| C. | Electrophoresis |
| D. | Ion exchange |
| Answer» C. Electrophoresis | |
| 10. |
SEDDSs emulsify spontaneously to produce fine oil in water emulsions when introduced into an aqueous phase under gentle agitation and spread readily in the____________. |
| A. | GIT |
| B. | RT |
| C. | UT |
| D. | Liver |
| Answer» B. RT | |
| 11. |
If further electrophoresis is used for recovery of DNA from gels, the method is termed as ____________ |
| A. | secondary electrophoresis |
| B. | recovery electrophoresis |
| C. | denaturing electrophoresis |
| D. | electro-elution |
| Answer» E. | |