Match the following columns: Column I Column II A. Terramycin 1. Bacillus subtilis B. Griseofulvin 2. Aspergillus flavus C.Neomycin 3. Streptomyces fradiae D.Flavicin 4. Claviceps purpurea E. Bacitracin 5. Streptomyces rimosus F. Ergotamines 6. Penicillium griseofulvum.

(A- 5), Terramycin is an antibiotic that is isolated from the bacteria Streptomyces rimosus. (B-6), Griseofulvin is isolated from Penicillium griseofulvum. (C- 3), Neomycin belongs to a class of drugs known as aminoglycoside antibiotics. It is isolated from Streptomyces fradiae. (D-2), Flavicin is isolated from the fungus Aspergillus flavus. (E-1) Bacitracin is isolated from Bacillus subtilis. (F- 4), Ergotamines is isolated from Claviceps purpurea. Column I Column II A. Terramycin 5. Streptomyces rimosus. B. Griseofulvin 6. Penicillium griseofulvum. C.Neomycin 3. Streptomyces fradiae. D.Flavicin 2. Aspergillus flavus. E. Bacitracin 1. Bacillus subtilis. F. Ergotamines 4. Claviceps purpurea.

Column A Column B (i) Penicillium (a) Bacteria occurring in chains. (ii) Diplococci (b) Antibiotic. (iii) Streptococci (c) Bacteria occurring in pairs.

i-b Penicillium is an important genus of the phylum Ascomycota. Penicillin is an antibiotic that is obtained from the fungus Penicillium. It is the first antibiotic which is produced by Alexander Fleming in 1929. ii-c Bacteria are the most primitive, unicellular organisms. They occur in air, water, soil, food-stuffs, inside the body of living organisms, and in everywhere. They are of different shapes and sizes. A diplococcus is a round bacterium that typically occurs in the form of two joined cells. They are spherical shape bacteria. iii-a Bacteria are unicellular organism. Streptococci are Gram-positive, nonmotile, cocci that occur in pairs or chains. Streptococcus is a genus of bacteria that often occurring in chains of varying lengths. Column A Column B (i) Penicillium (b) Antibiotic. (ii) Diplococci (c) Bacteria occur in pairs. (iii) Streptococci (a) Bacteria occur in chains.

EASY

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What is the main purpose of antibiotics?

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Match the following columns:

Column I	Column II
A. Terramycin	1. Bacillus subtilis
B. Griseofulvin	2. Aspergillus flavus
C.Neomycin	3. Streptomyces fradiae
D.Flavicin	4. Claviceps purpurea
E. Bacitracin	5. Streptomyces rimosus
F. Ergotamines	6. Penicillium griseofulvum.