Find out the role of microbes in the following and discuss it with your teacher.
(a) Single cell protein (SCP)
(b) Soil
Find out the name of the microbes from which Cyclosporin A (an
immunosuppressive drug) and Statins (blood cholesterol lowering
agents) are obtained.
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?
Microbes can be used to decrease the use of chemical fertilisers and
pesticides. Explain how this can be accomplished.
What is the key difference between primary and secondary sewage
treatment?
Name any two species of fungus, which are used in the production of
the antibiotics.
In which way have microbes played a major role in controlling diseases
caused by harmful bacteria?
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