What is the main difficulty in the biological control of pests?
- AExperimental difficulty in introducing the predator into a specific area.
- BThis method is less effective than the use of insecticides.
- CPredators do not always survive when introduced into a new environment.
- DThe predator develops a preference for other prey and becomes a pest itself.
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Similar Questions
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
| 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 |
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$I -$ Pesticides,$II -$ Insecticides,$III -$ Herbicides
$I -$ Pesticides,$II -$ Insecticides,$III -$ Herbicides
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