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प्रश्न
What is the scientific explanation for the feeling of depression?
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उत्तर
A person suffers from depression when he has low levels of noradrenaline. Noradrenaline is a neurotransmitter that plays a role in mood changes. Low levels of noradrenaline lower the signal-sending activity and make the person suffer from depression.
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संबंधित प्रश्न
How do antiseptics differ from disinfectants? Give one example of each.
What is meant by the term ‘broad spectrum antibiotics’? Explain.
What is tincture of iodine? What is its use?
Define the following terms with a suitable example of each:
Bactericidal antibiotics
Compounds with antiseptic properties are:
(i) \[\ce{CHCl3}\]
(ii) \[\ce{CHI3}\]
(iii) Boric acid
(iv) 0.3 ppm aqueous solution of \[\ce{Cl2}\]
What is the average molecular mass of 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 of the following are antibacterial?
Aspirin is chemically
Which of the following is known as broad spectrum antibiotics?
Barbituric acid is used as:-
Which statement is false?
SLV – 3 Rockets use
Which of the following antibiotic contains NO2 group attached to aromatic nucleus in its structure?
The structure shown below is of which well-known drug molecule-

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?
The antibacterial activity of prontosil is due to ________.
Who discovered the first antibiotic penicillin?
