Dosa and Idli are fermented preparations of rice and black gram. The fermentation is done by:

Which microorganisms are useful for obtaining energy sources?

Which option represents the correct matching?

Column-$I$	Column-$II$
$1.$ Saccharomyces cerevisiae	$A.$ Production of Riboflavin
$2.$ Penicillium notatum	$B.$ Bread making
$3.$ Ashbya gossypii	$C.$ Production of Sterins
$4.$ Rhizopus nigricans	$D.$ Penicillin
$5.$ Trichoderma polysporum	$E.$ Hydroxy progesterone
$6.$ Monascus purpureus	$F.$ Cyclosporin-$A$

Which of the following is mismatched?

Match the following microbes with their respective products/applications:

$a$. $Saccharomyces$ $cerevisiae$	$i$. Production of immunosuppressive agent
$b$. $Monascus$ $purpureus$	$ii$. Ripening of Swiss cheese
$c$. $Trichoderma$ $polysporum$	$iii$. Industrial production of ethanol
$d$. $Propionibacterium$ $sharmanii$	$iv$. Blood cholesterol lowering agent

Statement $A$: Hydrogen is a fuel of energy.
Statement $R$: Photosynthetic microorganisms produce $H_2$,which are capable of converting solar energy into chemical energy.