Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) BT-Bio Technology 2020 December 4th Sem 77591 Environmental Biotechnology Previous Question Paper
Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (BT) (2018 Batch) (Sem.?4)
ENVIRONMENT AL BIOTECHNOLOGY
Subject Code : BTBT-408-18
M.Code : 77591
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Write briefly :
Q1 What is activated sludge process in waste water treatment?
Q2 What are the characteristics of wastewater?
Q3 What do you understand by recalcitrance? Give specific examples.
Q4 What are Xenobiotic compounds? Give examples.
Q5 Explain the difference between In-Situ and Ex-Situ conservation.
Q6 What is Biotransformation? Give examples of it.
Q7 What are Catalytic Antibodies?
Q8 What do you understand by Phytoremediation?
Q9 Define Biopesticides. Substantiate with examples.
Q10 What are Degradative Plasmids?
1 | M-77591
(S2)-549
SECTION-B
Q11 Describe the working principal of anaerobic sludge blanket reactor and also explain the
design criteria. Draw a flow sheet of it.
Q12 Explain the process of microbial degradation of halogenated and sulfonated compounds.
Q13 Explain in detail the methods of germplasm conservation.
Q14 Describe the mechanism of biohydrogen production and its role as a potential biofuel.
Q15 Explain the kinetics and thermodynamic of microbial process during the transformation of
environmental contaminants.
SECTION-C
Q16 What is Bioremediation? Explain how micro-organisms play an important role in the
restoration of soils contaminated with heavy metals?
Q17 Write explanatory notes on :
a) Fluidized Expanded bed reactor
b) Bioaugmentation
Q18 What do you understand by Composting? Describe the various composting technologies of
organic waste.
NOTE : Disclosure of Identity by writing Mobile No. or Marking of passing request on any
paper of Answer Sheet will lead to UMC against the Student.
2 | M-77591
(S2)-549
This post was last modified on 13 February 2021