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प्रश्न
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.
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उत्तर
(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.
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संबंधित प्रश्न
Define the following term with a suitable example in each:
Disinfectants
Which of the following statements is not correct.
A narrow spectrum antibiotic is active against ______.
Compound which is added to soap to impart antiseptic properties is ______.
What is the average molecular mass of drugs?
What is the basic difference between antiseptics and disinfectants?
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 |
Assertion: Sulpha drug contain sulphonamide group.
Reason: Salvarsan is a sulpha drug.
In what respect do prontosil and salvarsan resemble. Is there any resemblance between azo dye and prontsil? Explain.
Barbituric acid is used as:-
The mixture of chloroxylenol and terpineol is an example of ______.
How many of the following drugs is/are example(s) of broad spectrum antibiotic?
Aminoglycosides are usually used as ______.
The antibacterial activity of prontosil is due to ________.
Who discovered the first antibiotic penicillin?
Which of the following is a commonly used disinfectant in hospitals?
