Question

VI. Answer very briefly.
1. Write the name of any nitrogen fixing
bacteria.
2. Name the bacteria used in the production
of vinegar.
3. Write the names of any three protozoans.​

Answer 1

Answer:

1. cyanobacteria or blue green algae

2.Acetobacter, Gluconacetobacter, Gluconobacter and Komagataeibacte.

3.These are divided into four major groups.

(1) Amoeboid protozoans or sarcodines.

(2) Flagellated protozoans or zooflagellates.

(3) Ciliated protozoans or ciliates.

Explanation:

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Answer 2

Answer:

1. Rhizobium
2. acetic acid bacteria
3. paramecia,Amoeba,Euglena.,Diatoms

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