Question

2.1 How do the micro organisms act as friends and foes to us. Make
list of where they act as friend and foe to us.​

Answer 1

FOE:

some microbes cause disease and infections. they are known as pathogens.

FRIEND:

1.help in formation of curd

2.help in rising of dough in cakes and breads

3.helps in fermentation of alcohol.

Answer 2

Answer:

as friends

1. yeasts help in the baking industry.

2.Lactobacillus is used for the conversion of milk into curd.

3.they are used in the production of vaccines and antibiotics.

Harmfulness-

1. they cause diseases in humans ,plants and animals.

2. they ruin the food substances stored without using preservatives.

3. they