Roll No.
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Total No. of Questions : 08
Total No. of Pages : 01
M.Tech.(Bio. Tech.) (Sem.-1)
MICROBIAL BIOTECHNOLOGY
Subject Code : MTBT-101
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M.Code: 23001
Time: 3 Hrs.
Max. Marks : 100
INSTRUCTIONS TO CANDIDATES :
- Attempt any FIVE questions out of EIGHT questions.
- Each question carries TWENTY marks.
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Q.1 Explain the role of various microbes in the field of agriculture and medicine. (20)
Q.2 a) Describe the morphology, growth requirements and genetics of Penicillium. (10)
b) What is bioprospecting? How strain improvement technique could be used to improve the efficiency of penicillin producing microbial strain? (10)
Q.3 a) Describe the technique of lyophillization and cryopreservation for preserving microbial cultures. (10)
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b) Write a note on crowded plate technique and auxanography as screening methods. (10)
Q.4 What are biofertilizers? Explain the role of various microbes in improving the fertility of the soil. (20)
Q.5 a) Explain the role of Bacillus thuringenesis as a microbial insecticide. (10)
b) Write a note on probiotics. Also enlist various health benefits of probiotics. (10)
Q.6 Explain the microbial production and industrial uses of amylases and proteases. (20)
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Q.7 Describe the various substrates and technologies employed for the commercial production of vitamin A and vitamin B12. (20)
Q.8 a) Explain the role of microbes in the degradation of pollutants and other toxic compounds. (10)
b) Write a note on biodegradable plastics. (10)
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
1 | M-23001
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(S9)-492
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