Q12 of 15 Page 189

Find out the name of the microbes from which Cyclosporin A (an immunosuppressive drug) and Statins (blood cholesterol lowering agents) are obtained.

• Cyclosporin A is produced by Trichoderma polysporum and Cylindrocarpon lucidum which lowers the activity of T-cells of immune system.


• Statins are obtained from Aspergillus terreus and Phoma sp. which reduce production of Low Density Cholesterol in liver.


More from this chapter

All 15 →
10

Microbes can be used to decrease the use of chemical fertilisers and pesticides. Explain how this can be accomplished.

 11

Three water samples namely river water, untreated sewage water and secondary effluent discharged from a sewage treatment plant were subjected to BOD test. The samples were labelled A, B and C; but the laboratory attendant did not note which was which. The BOD values of the three samples A, B and C were recorded as 20mg/L, 8mg/L and 400mg/L, respectively. Which sample of the water is most polluted? Can you assign the correct label to each assuming the river water is relatively clean?

 13

Find out the role of microbes in the following and discuss it with your teacher.

(a) Single cell protein (SCP)


(b) Soil

 14

Arrange the following in the decreasing order (most important first) of their importance, for the welfare of human society. Give reasons for your answer.

Biogas, Citric acid, Penicillin and Curd