How do microbes reduce the environmental degradation caused by chemicals?

  • A
    By producing antibiotics that kill harmful bacteria.
  • B
    By acting as bio-control agents to eliminate pests.
  • C
    By breaking down complex organic pollutants into simpler,non-toxic substances through bioremediation.
  • D
    By increasing the soil fertility through nitrogen fixation.

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Biological control of agricultural pests,unlike chemical control,is

Which of the following has proven useful for controlling nematode diseases in vegetables,fruits,and cereal crops?

Match the biological control agents with the pests they control:
List-$I$List-$II$
$(a)$ Ladybird$(1)$ Aphids
$(b)$ $Bacillus \text{ } thuringiensis$$(2)$ Mosquitoes
$(c)$ Dragonflies$(3)$ Butterfly caterpillars
$(d)$ $Baculovirus$$(4)$ Insects and arthropods

Bionematicides are used for the control of which pests?

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