Which fungal extract was extensively used in treating wounded American soldiers in world war-$II$?

_________ are produced by yeast and act by competitively inhibiting the enzyme responsible for synthesis of cholesterol.

Chloramphenicol and erythromycin (broad spectrum antibiotics) are produced by

Read the following statements

$I.$ Colostrum is recommended for the new borns because it is rich in antigens.

$II.$ Chikungunya is caused by a Gram negative bacterium.

$III.$ Tissue culture has proved useful in obtaining virus-free plants.

$I V.$ Beer is manufactured by distillation of fermented grapes.

How many of the statement(s) is/are correct?

Choose correct sentences.

$(i)$ Dosa and Idli is fermented by yeast.

$(ii)$ Saccharomyces cereviceae is a yeast.

$(iii)$ $LAB$ increase quality of vitamin $B_{12}$.

$(iv)$ Whisky and brandy are fermented beverages which produced without distillation.