Match the following organisms with the products they produce:

a. Lactobacillus                                            i. Cheese

b. Saccharomyces cerevisiae                     ii. Curd

c. Apergillus niger                                       iii Citric acid

d. Acetobacter aceti                                    iv. Bread

                                                                     v. Acetic acid

 

  • Option 1)

    a-ii, b-iv, c- v, d-iii

  • Option 2)

    a-ii, b-iv, c-iii, d-v

  • Option 3)

    a-iii, b-iv, c-v, d-i

  • Option 4)

    a-ii, b-i, c-iii, d-v

Answers (1)

 

Microbes in household products – lactic acid bacteria (LAB) -

Micro-organisms such as Lactobacillus and others commonly called lactic acid bacteria (LAB) grow in milk and convert it to curd.

- wherein

During growth, the LAB produce acids that coagulate and partially digest the milk proteins. A small amount of curd added to the fresh milk as inoculum or starter contain millions of LAB, which at suitable temperatures multiply, thus converting milk to curd, which also improves its nutritional quality by increasing vitamin B12.

 

  

 

Microorganisms                                                Industrial product obtained

Lactobacillus                                                     Curd

saccharomyces cerevisiae                               Bread

Aspergillus niger                                             Citric acid

Acetobacter aceti                                             Acetic acid


Option 1)

a-ii, b-iv, c- v, d-iii

Option 2)

a-ii, b-iv, c-iii, d-v

Option 3)

a-iii, b-iv, c-v, d-i

Option 4)

a-ii, b-i, c-iii, d-v

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