Which one of the following is an incorrect match of a microbe and its industrial product,while the other three are correct?

Which of the following is essential to avoid environmental pollution?

Match the following list of microbes and their importance.

Column-$I$	Column-$II$
$(A)$ Saccharomyces cerevisiae	$(i)$ Production of immuno-suppressive agent
$(B)$ Monascus purpureus	$(ii)$ Ripening of Swiss cheese
$(C)$ Trichoderma polysporum	$(iii)$ Commercial production of ethanol
$(D)$ Propionibacterium	$(iv)$ Production of blood-cholesterol lowering agents

Which one of the following statements is correct:
$(i)$ Baculoviruses are excellent candidates for species-specific,narrow-spectrum insecticidal applications.
(ii) Bacillus thuringiensis is used to control butterfly caterpillars.
(iii) Ladybird is useful to get rid of mosquitoes.
(iv) Trichoderma fungus is used as a biocontrol agent for animal pathogens.

Which of the following pairs is incorrect?

$A$ - Scientist Alexander Fleming discovered the first antibiotic.
$R$ - Methanogens are used for fermenting malted cereals and fruit juices to produce ethanol.