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12th Biology 2013 Set1 Delhi Board Paper Solution

Question 24

(a) Why are the fruit juices bought from market clearer as compared to those made at home?

(b) Name the bioactive molecules produced by Trichoderma polysporum and Monascus purpureus.

Answer

(a) The fruit juices available in the market (the bottled ones) are made clarified by treating them with the enzymes - pectinases and proteases. So, they are clearer as compare to those made at home.

 

(b) Trichoderma polysporum is used to produce immunosuppressive agent cyclosporine A. Monascus purpureus is used to produce blood - cholesterol lowering agents Statins