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BIOLOGY

Biology
The bacterium which reduces the fertility of soil is

Nitrosomonas sp
Azotobacter sp
Nitrobacter sp
Bacillus dentificans

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Biology
There are used in the retting of flax and hemp.

Fungi
Mosses
Bacteria
Viruses

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Biology
Which of the following bacteria is responsible for the formation of curd?

Fungus
Yeast
Lacto-bacillus
Lycopodium

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Biology
Yeast used in making bread is a

Seed
Fungus
Bacteria
Plant

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Biology
Nitrogen fixation process in the soil is done by

Bacteria
Protoza
Fungi
Virus

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