Top 150+ Solved Current Advances of Novel Drug Delivery System MCQ Questions Answer
Q. Which are the not proper ideal properties of the microspheres ?
a. Longer duration of action
b. Control of content release
c. Protection of drug
d. Decrease of therapeutic efficiency
Q. Which are the example of non biodegradable synthetic polymers used in preparation of microspheres?
a. Proteins
b. Poly (acryl) dextran
c. PMMA
d. Lactides
Q. Which are the examples of natural material used in preparation of the microspheres?
a. Albumin
b. Gelatin
c. All
d. None
Q. The charge present on the DNA backbone is negative. The force required to accelerate themolecules 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
Q. Which one of the following will travel fastest through the gel if the amount of DNA present issame in all?
a. Circular
b. Supercoiled
c. Nicked
d. Supercoiled and circular will move at same speed and faster than nicked
Q. How is the size of molecules under analysis measured?
a. By measuring the distance moved through a ruler
b. By measuring the amount of visualising dye used
c. By running a standard molecule, whose size is known in parallel
d. There is no exact criterion for doing so
Q. Gel matrices are generally of two types Agarose and Polyacrylamide. Which of the statements iscorrect 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
Q. Polyacrylamide gels are the other types of gels which are commonly used. Which of thefollowing 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
Q. If the amount of agarose added is more, the molecular under analysis should have the followingcharacteristic………………..
a. small size
b. large size
c. size has no relation with the amount of agarose
d. the amount of molecules under analysis matters
Q. In the case of electrophoresis of single stranded DNA or RNA, which type of gels are used?
a. Renaturing
b. Denaturing
c. The routine agarose gel
d. The routine polyacrylamide gel
Q. The technique used to located specific genes in chromosomes is ……………..
a. Colony Hybridization
b. In situ Hybridization
c. Dot Blot Hybridization
d. Western Blotting
Q. The separation of charged molecules under the influence of electric current is called……….
a. Colony Hybridization
b. Dot Blot Hybridization
c. Electrophoresis
d. Western Blotting
Q. 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