B.Sc. (Part III) (Semester (CGPA) Examination, 2018
biotechnology
Recent Trends in Biotechnology
Day and Date Wednesday, 18-4-2018 Max. 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 labelled diagrams wherever necessary.
1. Rewrite the sentences selecting most correct answer from the given option 14
Which of the following reactions used for the purpose of recycling enzymes
in bioprocesses
Isomerization Phosphorylation
Immobilization Polymerization
The process of converting environmental pollutants into harmless products
by naturally occurring micro organisms is called
Detoxication Intrinsic bioremediation
Bioprocessing Biotransformation
The PCR technique was developed by
Kary Mullis Kohler Milstein Atman
The three major types of ethical issues include except
Communication issues Systemic issues
Corporate issues Individual issues
The mode of transport for toxicants in inhalation is
Air Water Food Soil
Most industrial enzymes are obtained from
Plants Microbes
Insects Animal tissues
Cloning will be subjected to most serious moral questions if applied to
Reptiles Humans Birds Mammals
Which of the following microbes is widely used in the removal of industrial
wastes
Trichoderma species Aspergillus niger
Pseudomonas putida Klebsiella
The removal of metals by using micro organisms is done by
Adsorption and complexation Extraction
Agglutination Precipitation
10) Bioethics is concerned with
Research
Etiquette in medical facilities
The ethical implication of biological research methods and results
None of above
11) Stirred tank bioreactor have been designed for
Purification of the product
Addition of preservatives to the product
Availability of O2 throughout the process
Ensuring anaerobic conditions in the culture vessel
12) Chronic exposure to toxins
Is always fatal
Is never fatal
Occurs almost immediately when toxin is given
Occurs over long period of time
13) term is used to describe the accumulation of dangerously
high levels of toxins inside cells.
Biomagnification Synergism
Persistent organic pollutants Bioaccumulation
14) Restriction of movement of proteins within specified region is known as
Enzyme engineering Protein engineering
Enzyme immobilization Metabolic engineering
2. Answer any seven of the following 14
What are the properties of ideal carrier material used for immobilization
Define bioremediation and mention its types.
Give the application of metabolic engineering.
Write a note on human cloning.
What is cell immobilization and which method is used for immobilization
Write a note on NOEL.
What is solvent engineering
State the role of Glucose isomerase.
Define bioaugmentation.
3. Answer any two of the following 10
Write a note on industrial application of protein engineering.
Define Xenobiotic compounds. What are the routs of entry of Xenobiotic
compounds in human body
Write a note on cross linking method and entrapment method of
immobilization.
Explain metabolic control analysis and metabolic flux analysis. 4
4. Answer any two of the following 14
Explain the ethical issues of biodiversity.
Explain enzyme immobilization. Give advantages and disadvantages of each
method.
Explain biotreatment mechanisms of industrial waste water.
5. Answer any two of the following 14
Write a note on phytoremediation technologies for soil decontamination.
What is bioethics Give the ethical issues of stem cell research.
Explain the detoxification mechanism in human body.