NEET • Biology

Microbes in Human Welfare

12 revision cards

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examples

Microbes in Household Products

Household microbial products depend mainly on fermentation.

Recall Question

Which bacterium produces holes in Swiss cheese?

Reveal Answer

Propionibacterium sharmanii.

Product/processMicrobeSource-backed recall

Curd

Lactobacillus or LAB

Converts milk to curd by acids that coagulate and partially digest milk proteins; increases vitamin B12

Dosa/idli dough

Bacteria

Anaerobic fermentation produces CO2\mathrm{CO_2} and puffs up dough

Bread

Baker's Yeast, Saccharomyces cerevisiae

Ferments dough

Toddy

Microbes in palm sap

Made by fermenting sap from palms

Swiss cheese

Propionibacterium sharmanii

Large holes due to CO2\mathrm{CO_2}

Roquefort cheese

Penicillium roqueforti

Ripened by growing fungus on cheese