Which organism is used to obtain the enzyme known as a 'clot buster'?

Assertion: Vitamin $B_2$ is found in cereals,green vegetables,brewer's yeast,egg white,milk,and liver.
Reason: It can be commercially produced by some yeasts.

Trichoderma polysporum is a source of

Which of the following enzymes are used to clarify fruit juices?
$(i)$ Lipase
(ii) Protease
(iii) RNase
(iv) Pectinase

Which of the following drugs have made a significant contribution to human welfare?

Which of the following enzymes is secreted by yeast and is responsible for fermentation?