Select the correct group of biocontrol agents | vedclass

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(B) Biocontrol agents are organisms that are used to control plant diseases and pests. $1$. $Bacillus$ $thuringiensis$ $(Bt)$ is a bacterium used as a

Vedclass · Accepted Answer

Trichoderma,Baculovirus,Bacillus thuringiensis

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(B) Biocontrol agents are organisms that are used to control plant diseases and pests. $1$. $Bacillus$ $thuringiensis$ $(Bt)$ is a bacterium used as a bio-insecticide to control butterfly caterpillars. $2$. $Trichoderma$ species are free-living fungi that are very common in the root ecosystems and are effective biocontrol agents of several plant pathogens. $3$. $Baculoviruses$ are pathogens that attack insects and other arthropods. The majority of $baculoviruses$ used as biological control agents are in the genus $Nucleopolyhedrovirus$. Therefore,the correct group of biocontrol agents is $Trichoderma$,$Baculovirus$,and $Bacillus$ $thuringiensis$.

List-$A$	List-$B$
$(a)$ Rotenone	$(1)$ Derris elliptica
$(b)$ Nimbin	$(2)$ Azadirachta indica
$(c)$ Pyrethrum	$(3)$ Chrysanthemum cinerariifolium
$(d)$ Thurioside	$(4)$ Bacillus thuringiensis

Column $I$ (Pathogen)	Column $II$ (Host)
$a$. $Bacillus$ $papillae$	$i$. $Gypsy$ $moths$
$b$. $Beauveria$ $bassiana$	$ii$. $Cabbage$ $worms$
$c$. $Nosema$ $locustae$	$iii$. $Aphids$
$d$. $Nucleopolyhedroviral$ $virus$	$iv$. $Grasshoppers$

Select the correct group of biocontrol agents.

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