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(B) The correct matches are as follows:$1$. Trichoderma is a free-living fungus that is very common in root ecosystems and acts as an effective biocon

Vedclass · Accepted Answer

$(1-b), (2-a), (3-d), (4-c)$

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(B) The correct matches are as follows:$1$. Trichoderma is a free-living fungus that is very common in root ecosystems and acts as an effective biocontrol agent against several plant pathogens $(1-b)$.$2$. Pseudomonas (specifically certain strains like Pseudomonas fluorescens) is used as a biocontrol agent,but in the context of specific commercial products mentioned in textbooks,Quantum-$4000$ is a product based on Pseudomonas $(2-a)$.$3$. Baculoviruses are pathogens that attack insects and other arthropods. They are excellent candidates for species-specific,narrow-spectrum insecticidal applications $(3-d)$.$4$. Bt Cotton is a genetically modified crop that expresses the Cry protein,which provides resistance against crop-sucking and boring pests $(4-c)$.Therefore,the correct sequence is $(1-b), (2-a), (3-d), (4-c)$.

Column-$I$	Column-$II$
$1$. Trichoderma	$a$. Quantum-$4000$
$2$. Pseudomonas	$b$. Free-living biocontrol fungus
$3$. Baculovirus	$c$. Resistant to crop-sucking pests
$4$. Bt Cotton	$d$. Pathogenic to insects and some arthropods

Column-$I$	Column-$II$	Column-$III$
$I$. $Ashbya$ $gossypii$	$d$. Hydroxy progesterone	$p$. Cholesterol lowering agent
$II$. $Trichoderma$ $polysporum$	$e$. Statins	$q$. Contraceptive pills
$III$. $Rhizopus$ $nigricans$	$f$. Riboflavin	$r$. Organic acid
$IV$. $Monascus$ $purpureus$	$g$. Itaconic acid	$s$. Immunosuppressive agent
	$h$. Cyclosporin-$A$	$t$. Vitamin

Match the following columns:

Column-$I$ Column-$II$

$1$. Trichoderma $a$. Quantum-$4000$

$2$. Pseudomonas $b$. Free-living biocontrol fungus

$3$. Baculovirus $c$. Resistant to crop-sucking pests

$4$. Bt Cotton $d$. Pathogenic to insects and some arthropods

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Match the following columns: Column-$I$ Column-$II$ $1$. Trichoderma $a$. Quantum-$4000$ $2$. Pseudomonas $b$. Free-living biocontrol fungus $3$. Baculovirus $c$. Resistant to crop-sucking pests $4$. Bt Cotton $d$. Pathogenic to insects and some arthropods