Question

7. What are antibiotics? How are they produced? Give two examples of these.
2. Answer the following questions.
1.
'Microorganisms are very useful in manufacturing different food items.
Explain the above statement.
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Answer 1

Answer:

The medicines which stop the growth of pathogens are called as microorganisms .

For eg. - Streptomycin , Tetracycline

Microorganisms are very useful in manufacturing different food items because bacteria like - lactobacilus helps in forming curd .

Explanation:

Answer 2

Explanation: An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting bacterial infections, and antibiotic medications are widely used in the treatment and prevention of such infections. They may either kill or inhibit the growth of bacteria. penicilin and azithromycin are two examples of antibiotics Antibiotics are produced industrially by a process of fermentation, where the source microorganism is grown in large containers (100,000 – 150,000 liters or more) containing a liquid growth medium.

answer the following

Microorganisms in food production

Nature uses microorganisms to carry out fermentation processes, and for thousands of years mankind has used yeasts, moulds and bacteria to make food products such as bread, beer, wine, vinegar, yoghurt and cheese, as well as fermented fish, meat and vegetables. They can be used to increase the fertility of the soil and increase crop yields, and they are necessary when making products like bread, beer and cheese and when growing coffee.

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