MCQ IN MEDICINE

Detailed explanation-1: -However, the strain had been saved at Oxford. In 1939, Howard Florey assembled a team, including a fungal expert, Norman Heatley, who worked on growing Penicillium spp. in large amounts, and Chain, who successfully purified penicillin from an extract from the mold.

Detailed explanation-2: -The discovery of penicillin, one of the world’s first antibiotics, marks a true turning point in human history-when doctors finally had a tool that could completely cure their patients of deadly infectious diseases.

Detailed explanation-3: -Penicillium mold naturally produces the antibiotic penicillin.

Detailed explanation-4: -From 1945–1955 the development of penicillin, which is produced by a fungus, along with streptomycin, chloramphenicol, and tetracycline, which are produced by soil bacteria, ushered in the antibiotic age (Figure 1).

Detailed explanation-5: -’MOULD JUICE’ He was able to isolate the mould and identified it as a member of the Penicillium genus. He found it to be effective against all Gram-positive pathogens, which are responsible for diseases such as scarlet fever, pneumonia, gonorrhoea, meningitis and diphtheria.