Question

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Answer 1

Answer:

1- bacteria,fungi,protozoa,algae

2-lactobaccilus

3-yeast produce carbon dioxide

4-pathogens can be known as infectious agents

7- aester yellow,,crown g

Answer 2

Answer:

1)Microorganisms are broadly classified in four groups:

bacteria, fungi, protozoa, algae.

2)Curd may contain a wide variety of bacteria like Lactobacillus acidophilus, Lactococcus lactis, Lactococcus lactis cremoris etc

3)In food manufacture, yeast is used to cause fermentation and leavening.

Preparation of yeast:

Dissolve 1 tsp sugar in 1/2 cup 110°F-115°F water. Add up to 3 packets of yeast, depending on your recipe, to the sugar solution. Stir in yeast until completely dissolved. Let mixture stand until yeast begins to foam vigorously (5 – 10 minutes).

4)Pathogen is a bacterium, virus, or other microorganism that can cause disease.

A pathogen is defined as an organism causing disease to its host, with the severity of the disease symptoms referred to as virulence. Pathogens are taxonomically widely diverse.

pathogen may also be referred to as an infectious agent, or simply a germ.

5)Food preservation includes food processing practices which prevent the growth of microorganisms, such as yeasts, and slow the oxidation of fats that cause rancidity.

Food preservation can be defined as the process of treating and handling food in such a way as to stop or greatly slow down spoilage and prevent foodborne illness while maintaining nutritional value, texture and flavour.

6)Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it is narrowly defined as the extraction of energy from carbohydrates in the absence of oxygen.

7)Vaccine is a mild form of a disease that is put (injected) into a person or an animal's blood using a needle (an injection) in order to protect the body against that disease.

8)aster yellows, bacterial wilt, blight, fire blight. rice bacterial blight,etc are common plant diseases

9)Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, Ebola, and COVID-19. Viruses are like hijackers.

10)Alexander Fleming was, it seems, a bit disorderly in his work and accidentally discovered penicillin.

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