Antimicrobial Agents (GATE)
| Description: Microbiology | |
| Number of Questions: 15 | |
| Created by: Tanuja Atwal | |
| Tags: Microbiology Antimicrobial agents Antibiotics Bacteria Virus Fungi Protozoa Helminthes Penicillin Life sciecne GATE CSIR NET Biotechnology Drug Medicine Antiviral Antibacterial Antifungal Control of Micro-Organisms |
The representative source of all of the following antibiotics, except _________, is bacteria.
Which of the following antimicrobial agents is effective against both gram-negative and gram-positive bacteria?
Which of the following antimicrobial agents is an aminoglycoside?
Which of the following is an anti-fungal polyene antibiotic?
Match the entries:
| Column I | Column II |
| P. Bacitracin | 1. Inhibition of protein biosynthesis |
| Q. Chloramphenicol | 2. Inhibition of bacterial cell wall biosynthesis |
| R. Griseofulvin | 3. Inhibition of cell metabolism |
| S. Isoniazid | 4. Inhibition of nucleic acid biosynthesis |
All of the following are anti-protozoan drugs, except
Which of the following antifungal agents acts by inhibiting cell wall synthesis?
Which of the following anti-protozoan agents inhibit(s) DNA synthesis?
- Chloroquine
- Metronidazole
- Nitazoxanide
Which of the following is a ureidopenicillin?
The entry of HIV into the cell can be blocked by fusion inhibitors, such as
Which of the following antibiotics is an inhibitor of nucleic acid synthesis?
Match the columns:
| Column I | Column II |
| P. Amphotericin B | 1. Streptomyces nodosus |
| Q. Chloramphenicol | 2. Streptomycems venezuelae |
| R. Tetracycline | 3. Streptomyces aureofaciens |
| S. Streptomycin | 4.Streptomyces griseus |
Which of the following is an example of glycopeptide antibiotics?
Match the columns:
| Column I | Column II |
| P. Niclosamide | 1. Inhibits absorption of nutrients |
| Q. Praziquantel | 2. Neuromuscular block |
| R. Pyantel pamoate | 3. Alters permeability of plasma membranes |
| S. Mebendazole | 4. Prevents ATP generation in mitochondria |
Identify the false statement.