Question

Classify the following into friendly and harmful microorganisms:
Bacillus anthracis, Rhizopus, Rhizobium, Lactobacillus, Yeast, malarial parasite.​

Answer 1

Answer:

Friendly: Rhizobium, Lactobacillus and Yeast.

Harmful: Bacillus anthracis, Rhizopus and Malarial parasite.

Explanation:

Rhizobium is friendly as it helps in nitrogen fixation.Lactobacillus is friendly because it helps in formation of curd and Yeast is friendly because it helps in making bread, cakes.

Bacillus anthracis is harmful because it causes disease in livestock and humans also.Rhizopus is harmful because it is a type of fungus which can cause infections in humans and Malarial parasite is harmful because it is responsible for malarial fever.

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Answer 2

Answer:

Friendly - lactobacillus, rhizobium, yeast

Harmful - Bacillus anthracis, rhizopus, malaria parasites

Explanation:

-Lactobacillus for curd preparation

-rhizobium for nitrogen fixation

-yeast some species of these are used in baking and beverage industries

-B. anthracis causes anthracis a disease to cattle specially to the cows

-some of them causes fungal infection to humans

-malaria parasites - cause a disease called malaria to man