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
What is meant by the term ‘broad spectrum antibiotics’? Explain.
Define the following term with a suitable example in each:
Broad-spectrum antibiotics
Define the following term with a suitable example in each:
Disinfectants
A narrow spectrum antibiotic is active against ______.
Which of the following are sulpha drugs?
(i) Sulphapyridine
(ii) Prontosil
(iii) Salvarsan
(iv) Nardil
What is the harmful effect of hyperacidity?
Aspirin is pain relieving antipyretic drug but can be used to prevent heart attack. Explain.
What is the scientific explanation for the feeling of depression?
Between sodium hydrogen carbonate and magnesium hydroxide which is a better antacid and why?
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.
Which of the following are antibacterial?
Barbituric acid is used as:-
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?
Sulphonamides act as ______.
Select the active antiseptic ingredient in dettol?
Which of the following was the first synthetic antimicrobial drug?
Who discovered the first antibiotic penicillin?
