MCQOPTIONS

Explore topic-wise MCQs in Biotechnology.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biotechnology knowledge and support exam preparation. Choose a topic below to get started.

1.	What are the characteristics of hydrodynamic pressure controlled systems?
A.	Buffering agents that adjust pH to the desired value
B.	Drug disperse in an insoluble matrix of rigid hydrophobic materials
C.	Generated by swelling hydrophilic hum
D.	Formation of complexes between the drug and anion/cation exchange resins
Answer» D. Formation of complexes between the drug and anion/cation exchange resins

2.	Osmotic pressure controlled systems work on the principle of osmotic pressure releasing the drug at constant 1st order kinetics.
A.	True
B.	False
Answer» C.

3.	What are the characteristics of osmotic pressure-controlled systems?
A.	Buffering agents that adjust pH to the desired value
B.	Releases the drug at a zero-order kinetics
C.	Hollow systems containing drug surrounded by a polymer membrane
D.	Formation of complexes between the drug and anion/cation exchange resins
Answer» C. Hollow systems containing drug surrounded by a polymer membrane

4.	What is the characteristic of pH-independent formulations?
A.	Buffering agents that adjust pH to the desired value
B.	Drug disperse in the insoluble matrix of rigid hydrophobic materials
C.	Hollow systems containing drug surrounded by a polymer membrane
D.	Formation of complexes between the drug and anion/cation exchange resins
Answer» B. Drug disperse in the insoluble matrix of rigid hydrophobic materials

5.	What are the characteristics of ion exchange resin drug complexes?
A.	Release the drug along the entire length of GIT
B.	Drug disperse in an insoluble matrix of rigid hydrophobic materials
C.	Hollow systems containing drug surrounded by a polymer membrane
D.	Formation of complexes between the drug and anion/cation exchange resins
Answer» E.

6.	What are the characteristics of reservoir devices-controlled release systems?
A.	Release the drug along the entire length of GIT
B.	Drug disperse in the insoluble matrix of rigid hydrophobic materials
C.	Hollow systems containing drug surrounded by a polymer membrane
D.	Employ waxes to control the rate of dissolution
Answer» D. Employ waxes to control the rate of dissolution

7.	What are the characteristics of Matrix diffusion-controlled release systems?
A.	Release the drug along the entire length of GIT
B.	Drug disperse in an insoluble matrix of rigid hydrophobic materials
C.	Release only at a specific drug
D.	Employ waxes to control the rate of dissolution
Answer» C. Release only at a specific drug

8.	What are the characteristics of diffusion-controlled release systems?
A.	Release the drug along the entire length of GIT
B.	Diffusion of the dissolved drug
C.	Release only at a specific drug
D.	Employ waxes to control the rate of dissolution
Answer» C. Release only at a specific drug

9.	What is the characteristic of encapsulation or coating dissolution-controlled release systems?
A.	Microencapsulation using slowly dissolving materials
B.	Prolonged their residence in the GIT and release
C.	Release only at a specific drug
D.	Employ waxes to control the rate of dissolution
Answer» B. Prolonged their residence in the GIT and release

10.	What is the characteristic of matrix dissolution-controlled release systems?
A.	Release the drug along the entire length of GIT
B.	Prolonged their residence in the GIT and release
C.	Release only at a specific drug
D.	Employ waxes to control the rate of dissolution
Answer» E.

11.	What is the characteristic of dissolution controlled release systems?
A.	Release the drug along the entire length of GIT
B.	Prolonged their residence in the GIT and release
C.	Release only at a specific drug
D.	Very slow dissolution rate
Answer» E.

12.	What is the characteristic of delayed release systems?
A.	Release the drug along the entire length of GIT
B.	Prolonged their residence in the GIT and release
C.	Release only at a specific drug
D.	Release as soon as comes in contact to the saliva
Answer» D. Release as soon as comes in contact to the saliva

13.	What is the characteristic of delayed transit and continuous release systems?
A.	Release the drug along the entire length of GIT
B.	Prolonged their residence in the GIT and release
C.	Release only at a specific drug
D.	Release as soon as comes in contact to the saliva
Answer» C. Release only at a specific drug

14.	What are the characteristics of continuous release systems?
A.	Release the drug along the entire length of GIT
B.	Prolonged their residence in the GIT and release
C.	Release only at a specific drug
D.	Release as soon as comes in contact to the saliva
Answer» C. Release only at a specific drug

15.	Oral controlled release drugs release the drug only inside the intestine.
A.	True
B.	False
Answer» C.