MCQ
First antibiotic isolated was:
- ATetramycin
- BNeomycin
- CPenicillin
- DStreptomycin
Explanation:
The first antibiotic discovered was called as Penicillin by Alexander Fleming in 1928 from Penicillium notatum. It is the antibiotic which inhibits the growth of bacteria and it was first used to treat the infection of Streptococcal septicemia.
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$I.$ Chemical fertilizers cause pollution of water bodies as well as groundwater, besides getting stored in crop plants. Therefore, environmental scientists are pressing for a switch over to organic farming.
$II.$ Organic farming is a form of agriculture that relies on techniques such as crop rotation, green manure, compost and biological pest Select the correct statement