Gambusia is a:

  • A
    Predator on mosquito larvae
  • B
    Pest of fishes
  • C
    Parasite on crab
  • D
    Pathogenic protozoan

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Which is a bioinsecticide?

Which of the following fish is a natural predator of mosquito larvae?

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

Natural insecticide obtained from neem is

Identify the organism based on the following characteristics:
- It grows near the root system.
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- It is a biological control being developed for use in the treatment of plant diseases.

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