Match the following columns:Column-IColumn-II | vedclass

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(B) The correct matches are as follows:$(a)$ Flocs are masses of bacteria associated with fungal filaments to form mesh-like structures,which are used

Vedclass · Accepted Answer

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

Vedclass · Answer

(B) The correct matches are as follows:$(a)$ Flocs are masses of bacteria associated with fungal filaments to form mesh-like structures,which are used in the biological treatment of sewage (secondary treatment).$(b)$ Methanobacterium is an anaerobic bacterium that produces methane (biogas) during the digestion of organic waste.$(c)$ Ladybird is a beetle used as a biocontrol agent to get rid of aphids.$(d)$ Cyanobacteria (e.g.,Anabaena,Nostoc) are used as biofertilizers in paddy fields to fix atmospheric nitrogen.Therefore,the correct matching is: $(a-2, b-4, c-1, d-3)$.

Column-$I$	Column-$II$
$(a)$ Flocs	$(1)$ Biocontrol agent
$(b)$ Methanobacterium	$(2)$ Biological treatment
$(c)$ Ladybird	$(3)$ Biofertilizer
$(d)$ Cyanobacteria	$(4)$ Biogas production

Column-$I$	Column-$II$
$A$. Escherichia coli	$I$. Nif gene
$B$. Rhizobium melilotae	$II$. Digestive hydrocarbon of crude oil
$C$. Bacillus thuringiensis	$III$. Production of human insulin
$D$. Pseudomonas putida	$IV$. Biological control of fungal disease
	$V$. Biodecomposed insecticide

Match the following columns:
Column-$I$ Column-$II$
$(a)$ Flocs $(1)$ Biocontrol agent
$(b)$ Methanobacterium $(2)$ Biological treatment
$(c)$ Ladybird $(3)$ Biofertilizer
$(d)$ Cyanobacteria $(4)$ Biogas production

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Match the following columns:Column-$I$Column-$II$$(a)$ Flocs$(1)$ Biocontrol agent$(b)$ Methanobacterium$(2)$ Biological treatment$(c)$ Ladybird$(3)$ Biofertilizer$(d)$ Cyanobacteria$(4)$ Biogas production