Master of Science II (Environmental Science)
Examination: Oct Nov 2016 Semester III (New CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR -SF
427
Friday
18/11/2016
02:30 PM
to
05:00 PM
Environmental
Biotechnology
C
X
Instructions: Answer any five questions.
All questions carry equal marks.
Q.1 is compulsory.
Attempt any two from Q.2, 3 4
Attempt any two short note questions from 6 7
Draw neat and labeled diagrams wherever necessary.
Total Marks:70
Q.1 Fill in the blanks: 14
The taxonomic group which has the largest number is
Angiosperms Insects
Fungi Mollusks
The removal of Nitrate from waste water helps to prevent
Biomagnifications Atrophication
Eutrophication None of the above
Bioremediation uses
Microorganisms' natural capacities to break materials down.
Added oxygen, water, and nutrients to increase rates of degradation.
Organisms such as Pseudomonas and Bacillus.
All of the above
Xenobiotics" are
Any chemicals that contain carbon
Products used for the biological control of pests
Special soil amendments favored In organic farming
Synthetic organic compounds not found in nature
Cryopreservation using liquid nitrogen is done at
-20C -10C
900C -1900C
Most commonly used enzymes for enzymatic desegregation of cell culture is

Trypsin Endonuclease
Ligase Reverse Transcriptase
Microorganisms are used in treatment of wastewater.
Primary treatment Secondary treatment
Tertiary treatment Advanced treatment
Page 1 of 2
The viruses infecting bacteria are called as
Cyanobacteria Bacteriophages
Mycophages None of the above
Immobilization technology can be used
Treatment of effluents Control of bacteria
Control of pests Control of diseases
10) Following is one of the process in bioremediation
Bioventing Rhizofiltration
Biosparging All of the above
11) Qunine is the extract from the bark of
Mango tree Cucumber
Eucalyptus tree Chincona tree
12) Genetic variation between distinct populations of the same species is known
as_
Species diversity Genetic Diversity
Ecosystem Diversity None of these
13) Transgenic means
Of the third generation
New variety
Incorporation of new DNA into germ line
None of these
14) Pesticides can be estimated by using
Gel Electrophoresis Atomic Absorption
Spectrophotometry
Flame photometry Gas Chromatography
Q.2 Give an account on Ex situ and In situ decontamination of groundwater by using
bioremediation technique.
Q.3 Discuss microbial growth and substrate utilization kinetics in detail.
Q.4 What is Carbon Sequestration? Explain its environmental significance.
Q.5 Write notes on.
Bioleaching Process
Transgenic Plants
Q.6 Explain in brief.
Functions of microbes in water and wastewater
Oil degradation using microbes
Q.7 Write an account on:
Environmental applications of GEM's
Phytoremediation