Advertisements
Advertisements
Question
Which of the following statements are incorrect about penicillin?
(i) An antibacterial fungus.
(ii) Ampicillin is its synthetic modification.
(iii) It has bacteriostatic effect.
(iv) It is a broad-spectrum antibiotic.
Advertisements
Solution
(iii) It has bacteriostatic effect.
(iv) It is a broad-spectrum antibiotic.
Explanation:
Penicillin destroys bacteria by destroying the cell wall of the microorganism or kill the bacteria so, it has bacteriocidal effect. Penicillin has a narrow or limited spectrum.
APPEARS IN
RELATED QUESTIONS
How do antiseptics differ from disinfectants? Give one example of each.
What is meant by the term ‘broad spectrum antibiotics’? Explain.
Which of the following are sulpha drugs?
(i) Sulphapyridine
(ii) Prontosil
(iii) Salvarsan
(iv) Nardil
What are antiseptics?
Which type of drugs come under antimicrobial drugs?
What is the harmful effect of hyperacidity?
Aspirin is pain relieving antipyretic drug but can be used to prevent heart attack. Explain.
Between sodium hydrogen carbonate and magnesium hydroxide which is a better antacid and why?
What is the mode of action of antimicrobial drugs?
Match the classes of drugs given in Column I with their action given in Column II.
| Column I | Column II |
| (i) Analgesics | (a) Inhibit the growth of microorganisms can be given orally |
| (ii) Antiseptics | (b) Treatment of stress |
| (iii) Antihistamines | (c) Applied to inanimate objects |
| (iv) Antacids | (d) Prevents the interaction of histamine with its receptor |
| (v) Tranquilisers | (e) Pain killing effect |
| (vi) Antibiotics | (f) Applied to diseased skin surfaces |
| (vii) Disinfectants | (g) Treatment of acidity |
Which statement is false?
Which of the following antibiotic contains NO2 group attached to aromatic nucleus in its structure?
How many of the following drugs is/are example(s) of broad spectrum antibiotic?
Statement I : Penicillin is a bacteriostatic type antibiotic.
Statement II : The general structure of Penicillin is:

Choose the correct option:
Select the active antiseptic ingredient in dettol?
Which of the following was the first synthetic antimicrobial drug?
Which antibiotic is considered broad-spectrum?
The antibacterial activity of prontosil is due to ________.
