Which of the following is an antifungal antibiotic?

Identify the odd group out.

Given below are two statements: one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$ :
Assertion $(A)$ : $Spirulina$ is a microbe that can be used for reducing environmental pollution.
Reason $(R)$ : $Spirulina$ is a rich source of protein,carbohydrates,fats,minerals and vitamins.
In the light of the above statements,choose the most appropriate answer from the options given below:

Match the following columns and select the correct option.

Column-$I$	Column-$II$
$(a)$ $LAB$	$(i)$ Cattle feed
$(b)$ $Saccharomyces$	$(ii)$ Increases quality of Vitamin $B_{12}$
$(c)$ $Propionibacterium$	$(iii)$ Bread making
$(d)$ Silage	$(iv)$ Swiss cheese

Who conducted the first study identifying $Bombykol$ as a pheromone?

Match the following columns:

Column $I$	Column $II$
$1.$ Production of methane	$a.$ Steroid
$2.$ Carbamycin	$b.$ Amino acid
$3.$ Streptokinase	$c.$ Alternative source of energy
$4.$ $L-Lysine$	$d.$ Clot buster
$5.$ Cyclosporin-$A$	$e.$ Antibiotics
$6.$ Hydroxy progesterone	$f.$ Immunosuppressive agent