HARD
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Earn 100

What are flocs?

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Important Questions on Microbes in Human Welfare

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IMPORTANT

Identify the stage of sewage treatment shown below.

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What is the composition of the biogas?
EASY
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IMPORTANT

Identify the parts labelled A, B & C w.r.t, biogas plant

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The bacterium responsible for biogas production are collectively called
EASY
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Technology of biogas production was developed in India mainly due to the efforts of:
MEDIUM
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The ladybird beetle and dragonflies are useful to get rid of _____ and _____ respectively.
MEDIUM
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The effective biocontrol agents of several plant pathogens are species of