Question

Consider the following statements regarding antibiotics 1. They are used to destroy disease-causing bacteria. 2. They can be applied to the skin, swallowed or injected to fight micro-organisms inside the body. 3. They are effective against disease-causing viruses. 4. The first antibiotic to be discovered was Tetracycline. Which of the statement(s) given above is/are correct? 

A 1 and 2
B 1, 2 and 4
C 2, 3 and 4
D Only 1
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