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Bacterial strains of Streptococcus therm...

Bacterial strains of Streptococcus thermophilus and Lactobacillus delbrueckii are added to warm temperature milk in 2 : 1 proportion .

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False. Bacterial strains of Streptococcus thermophilus and Lactobacillus delbrueckii are added to worm temperature milk in 1 : 1 proportion .
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Lactobacillus lactis , Lactobacillus delbrueckii, Lactobacillus cremoris , Streptococcus thermophilus.

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Study the following statements regarding lactic acid bacteria (LAB) which are used to convert milk into curd. (i) They produce acids that coagulate and partially digest the milk proteins. (ii) A small amount of curd added to the fresh milk as an inoculum contains millions of LAB , which at suitable temperature, multiply and convert milk into curd. (iii) Conversion of milk into curd improves its nutritional quality by increasing vitamin B_(12) . (v) LAB may result in acidity in the stomach of human beings. Which of the given statements are correct ?

CHETAN PUBLICATION-INTRODUCTION TO MICROBIOLOGY -True / False
  1. Basic process for production of yoghurt , cheese and cream is differen...

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  2. Milk is pasteurized at the beginning to destroy unwanted microbes .

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  3. Bacterial strains of Streptococcus thermophilus and Lactobacillus delb...

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  4. Cheese is produced on large scale from abundantly available cow milk a...

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  5. Whey is separated from yoghurt in the production of cheese.

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  6. Enzyme protease obtained from fungi is used to produce vegetarian che...

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  7. Useful microbes become inactive due to antibiotics , probiotics make t...

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  8. Ajinomoto , a popular chinese food is produced by microbial fermentati...

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  9. Probiotic s are used for treatment of cough and cold.

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  10. Microbial enzymes are inactive at low temperature .

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  11. Bio - fuel is among non - renewable source of good energy .

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  12. In villages , domestic sewage is disposed off in nearby soil .

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  13. Soyabean sauce is produced with the help of fungus Aspergillus niger .

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  14. Mozzarella cheese is very hard cheese.

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  15. On storing for 3 to 12 months , very hard cheese called parmesan chees...

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  16. Antibiotics maintain the balance of intestinal microoraganisms.

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  17. Nowadays , probiotics are used for treatment of diarrhoea and treatmen...

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  18. Acetic acid is bleached with the help of potassium permanganate.

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  19. L - glutamic acid is used for production of monosodium glutamate (Ajin...

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  20. Microbes are used for bioremediation of environment polluted due to se...

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