1. Answer the following in very brief:1x5-5
(a) What is bioremediation?
(b) Write the full form of BOD.
(c) Who discovered fermentation technique?
(d) Give example of a media used tocultivate fungi.
(e) What is enzyme immobilization?
2. Answer the following in short:
2x4=
(a) Mention one advantage of continuous fermentation.
(b) Give example
technique.
of
cell
disruption
(c) What is the working principle of centrifugation?
(d) How can you determine dissolved solid (TDS)?
3. Write short notes on any two of the following:
a) Biological nitrogen fixation
b) Antibiotics
(c) Arbuscular mycorrhiza
4. Answer the following:
(a)Write a note on bioremediation of contaminated soil.
(b) "Mycorrhiza is used to reclaim soil fertility." Explain.
(c) Write an explanatory processes on downstream.
5. Write and Descorga wat
(d) With su example, describe about the use of microorganism in controlling water pollution.
5. Write an account on enzyme immobilization and mention its advantages.
3+3=6
Or
Describe about various types of micro organisms that are traced for monitoring water quality.
6
6. Describe how ethanol is produced by fermentation process and mention some uses of ethanol.
7+3=10
Or
Write an account on different types of bioreactors used in fermentation process.
