Conversion of atmospheric nitrogen into soluble nitrogen is carried out by which microbe?

Which groups of mineral are used to provide nutrients to soil?

Excess of arsenic in water is responsible for which disease?

DDT gets accumulate in which part of human body

Among them which association is considered farmer friendly where they don’t need to add nitrogen to soil for leguminous growth?

In India the biggest point of industrial organic pollution are

Name the organelle which is responsible for imparting bright color to fruits or flowers

Choose the Microorganism where algae and fungus live jointly

Which organelles is called suicidal bag of cell?

The nutrition in which the organism takes in nutrition from dead decaying matter is known as

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