Which one of the following pairs is wrongly matched?

Identify the colonies labelled as $A$ and $B$.

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

Match the following columns:

Column-$I$	Column-$II$
$1$. $Propionibacterium$ $shermanii$	$A$. Production of ethanol from fruit juice
$2$. $Saccharomyces$ $cerevisiae$	$B$. Citric Acid
$3$. $Aspergillus$ $niger$	$C$. 'Swiss Cheese'
$4$. $Trichoderma$ $polysporum$	$D$. Immunosuppressive agent

Arrange the following in the decreasing order (most important first) of their importance,for the welfare of human society. Give reasons for your answer.
Biogas,Citric acid,Penicillin and Curd

Which of the following statements is false?