Download PTU. I.K. Gujral Punjab Technical University (IKGPTU) M.Tech. Bio Tech 1st Semester 23001 MICROBIAL BIOTECHNOLOGY Question Paper.
Roll No. Total No. of Pages : 01
Total No. of Questions : 08
M.Tech.(Bio. Tech.) (Sem.?1)
MICROBIAL BIOTECHNOLOGY
Subject Code : MTBT-101
M.Code : 23001
Time : 3 Hrs. Max. Marks : 100
INSTRUCTIONS TO CANDIDATES :
1. Attempt any FIVE questions out of EIGHT questions.
2. Each question carries TWENTY marks.
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)
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)
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.
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This post was last modified on 13 December 2019