B.Sc. (Part III) (Semester (CGPA) Examination, 2018
biotechnology
Recent Trends in Biotechnology
Day and Date Saturday, 24-11-2018 Total Marks 70
Time 2.30 p.m. to 5.00 p.m.
Instructions All questions are compulsory.
All questions carry equal marks.
Draw neat and labeled diagrams wherever necessary.
1. Rewrite the sentence selecting most correct answer from the given options 14
bacterium is called as the superbug that could clean up oil spills.
Bacillus subtilis Pseudomonas putida
Bacillus cereus Escherichia coli
Biodegration of specific compounds by inoculating bacterial cell is known as
Bioaugmentation Bioremediation
Phytoremediation Energy plantation
is an important water contaminant.
Heavy metals Carbon monoxide
Nitrogen oxide Sulphur dioxide
The process of converting environmental pollutants into harmless products by naturally occurring microbes called as
Ex-situ bioremediation Intrinsic bioremediation
Extrinsic bioremediation None of these
Low molecular weight compounds cannot be immobilize by
Microencapsulation Entrapment
Adsorption Covalent bonding
Environmental biotechnology involves
The use of microbes to clean up the environment
Bioremediation
The study of benefits and hazards associated with GMM's
All of these
Bioethics is concerned with
Healthcare law
Etiquette in medical facilities
The ethical implication of biological research methods and results
None of above
The dosage of chemical needed to produce death in 50 percent of the treated animal is
LD50 MD50 MLD LD30
The process of extracting metals from ore bearing rocks is called as
Bioextraction Bioleaching
Energy plantation Biofiltration
10) Petroleum is a mixture of
Sulfure and nitrogen Hydrocarbons
Oxygen and water Nitrogen and silver
11) The selection of immobilization of cell or enzyme depends on
Number of step in the process
Cost
Stability and catalytic specificity
All of the above
12) Toxicants are absorbed by the body by
Inhalation Skin
Ingestion All of these
13) Flux control coefficient measures
Steady state change pH change
Temperature change Hormonal change
14) is the practice of optimizing genetic and regulatory processes within cells to increase the cell's production of a certain substance.
Genetic engineering Gnotobiology
Metabolic engineering Nanotechnology
2. Answer any seven of the following 14
Solvent engineering.
Define bioleaching.
Bioethics.
MCA.
Enlist the industrial applications of enzyme engineering.
Bioagumentation.
Enlist carries used for enzyme immobilization.
Define MLD.
Applications of glucose oxidase.
3. Answer any two of the following 10
Explain the ethical issues of biodiversity.
What is immobilization Give advantages and disadvantages of immobilized enzymes.
Explain in detail the ethical issues of Human Genome Project.
Describe in detail industrial wastewater biotreatment technologies. 4
4. Answer any two of the following 14
Explain the role of organs involved in detoxification mechanism.
Write in detail types of enzyme immobilization with its industrial applications.
Define phytoremediation. Describe in detail phytoremediation for soil decontamination.
5. Answer any two of the following 14
Describe in brief site directed mutagenesis.
Write an essay on analysis of metabolic network.
Describe in detail types of Bioremediation and explain any one of them with suitable example.