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BIOLOGY

Biology
The bacterium which reduces the fertility of soil is

Nitrobacter sp
Nitrosomonas sp
Bacillus dentificans
Azotobacter sp

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

Viruses
Mosses
Fungi
Bacteria

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

Lacto-bacillus
Yeast
Fungus
Lycopodium

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Biology
Yeast used in making bread is a

Plant
Bacteria
Fungus
Seed

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Biology
Nitrogen fixation process in the soil is done by

Virus
Bacteria
Protoza
Fungi

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