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Question

Pick the correct matches for all the microbes.
Column IColumn II 1. Penicilliuma. Bakery products2. Clostridiumb. Source of antibiotics3. Rhizobiumc. Food poisoning4. Yeastd. Nitrogen fixation

A
1-a, 2-b, 3-d, 4-c
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B
1-b, 2-c, 3-d, 4-a
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C
1-c, 2-a, 3-b, 4-d
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D
1-d, 2-a, 3-b, 4-c
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Solution

The correct option is B 1-b, 2-c, 3-d, 4-a
Penicillin is the first discovered antibiotic, obtained from a fungus called Penicillium.
Clostridium is a harmful bacteria which multiplies in warm food under anaerobic conditions and results in spoiling the food.
Rhizobium found in root nodules of leguminous crops, fixes atmospheric nitrogen to nitrogenous compounds and supplies them to plants, providing nutrition.
Yeast is a fungal microbe which feeds on carbon compounds releasing alcohol and carbon dioxide gas. This gas makes the bread spongy. Hence, yeast is used in bakery products.

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