Thursday, 5 October 2017
Tuesday, 3 October 2017
Environmental Sciences model questions(CHY 1702)
1. Biodiversity includes the variability of all types of
living organisms and the variations within the ecosystems. Authenticate this
statement with suitable examples.
2.
How would you restrict the scuffles due to the increase
in population density of human and wildlife with overlaps in geographical
areas?
3. Explain
about the different practices of conservation of the life on Earth in all its
forms.
4. Vicinity
of the atomic power plants and steel industries increased toxicity level of
chemicals in water bodies is detected. List the different control methods to
avoid this kind of incident
5. Identify
the type of wastes and describe the disposal methods adopted for the following: Batteries (ii)
amputated organs (iii) horticultural wastes (iv) Egg shells (v) Glass bottles
6.
Every year the average temperature of the earth is
elevated due to high emission of greenhouse gases (GHG). How does emission
trading scheme help the countries to control the emission of GHG?
7.
Describe with the help of a case study, how a
meteorological phenomenon and air pollution have affected the environment and
health of living beings.
8. List
down the various measures to ensure a silent zone.
9.
Why ozone depletion has appeared over Antartica when
ozone depleting substances are present throughout the stratosphere? Give the
names of ozone depleting chemicals.
10. Find out
the type of pollution and pollutants triggering the following: (a) Love canal tragedy (b)Blue
baby syndrome (c) Somatic damage (d) Abscission (e) Bioaccumulation
11. Why the
nature has created the earth with lot of biodiversities. What would happen if there are no biodiversities on this planet,
earth?
12. The food
scarcity is keep on increasing due to continuous increase of people population.
13. As an
expert, what sort of steps you will take to bring down the food scarcity?
14. Human
encroachment into forest should be prohibited by government. Justify your
answer.
15. An Indian
student visited Japan for attending a conference. During his stay, he collected
the wastes in a disposal bag from his apartment and kept it outside for garbage
collection.
16. But, the
garbage was not taken by Japan’s municipal office, instead, he was fined. Why
the student was fined and how will you rectify his mistake?
17. In year
2000, the most acidic rain falling in the USA has a pH of about 4.3. Explain
the reason for this sudden decrease of pH than the normal pH (~ 6.0) of rain
water.
18. Will you
eat the contaminated foods with heavy metals like mercury and cadmium? Justify
your answer.
19. The
Montreal Protocol aims at the phasing out the production of chlorofluorocarbons
that are not harmful to humans. In fact, we are using it in the refrigerator
and aerosols. Why the countries should adopt the Montreal Protocol?
20. About 100
years ago, the temperature fluctuation was about 0.5 - 1°C. Now, some models
propose up to 9°C increase in this century. As an expert, find out the reason
and how will you rectify it?
21. Explain in
detail about the preventive measures for earthquake and tsunami considering the
human life and the environment?
22. Explained
the tragedy happened in Bhopal? What lesson you have learned from this
incident?
23. The
soft drinks are stored in plastic cans. What kind of chemical hazards
responsible and explain it
24. Nitrite
as food preservative used in vegetable chips and noodles - Mention its
toxicity.
25. Growing
global threat of the disease which cause bacterial infection of the lungs, find
the disease and write its causes and preventive treatment.
26. Nuclear
energy is beneficial or harmful? Discuss in both way.
27. Describe
the pollution caused from volatile organic hydrocarbon and nitrogen oxide under
the influence of light.
28. What
changes might occur in the global hydrological cycle and the carbon cycle if
the atmosphere experience significant warming?
29. World’s
worst nuclear power plant accident occurred in 1986. Discuss about it.
30. What
are the suggestions will provide to save energy in a big building such as
apartment, shopping mall etc.
31. Discuss
about the energy produced from Dams, Tides and Waves?
32. Suggest
the best fuel to replace petrol or diesel for future generation?
33. Name
a few important synthetic pesticides and describe in brief about the harmful
effect of these ticides on human and other life forms.
34. During a
formal debate on the hazards of air pollution, one team argues that ozone is
helpful to the atmosphere, and the other team argues that it is destructive.
Under which conditions is each teams arguments correct?
35. A
small amount of a cancer causing chemical in drinking water or smoking
cigarettes tends to genera greatest
public concern? Justify the answer.
36. Solar
energy is popular as compared to conventional energy options. Justify.
37. What are
bio-indicators for identifying pollution? Describe in briefs about the types of
bio-indicators
38. Next to your village, the government has
started to construct a nuclear power plant. Describe safety issues associated
with nuclear power plants and risks associated with the storage of radioactive
wastes.
39. List
the energy conservation measures you could adopt in each of the following
aspects of your life; lighting, bathing, cooking, buying a car and driving a
car.
40. Name
the treatment process which removes about 90% of the biodegradable materials
present in the water.
41. Will
it be easier for societies to mitigate climate change by implementing any
protocol? Explain you answer.
42. Discuss the
environmental problems caused by using oil and natural gas.
Environmental Science cat 2
SCHOOL OF ADVANCED
SCIENCES
Continuous Assessment Test
– II, October 2015
Fall Semester, 2015-2016
Course Code: CHY1002 Duration: 90 minutes
Course name: Environmental Science Max. Marks: 50
Class number: 5859 Slot: A2
Faculty name: U. Vijayalakshmi School: SAS
Answer ALL the Questions
(10X 5 = 50 Marks)
1. Identify the
human activites that have the greatest disruptive potential. Prepare a list of
trace elements and discuss their influence on human health.
2. Describe the
features of a mass burn incinerator and mention some of the problems
associated with incinerators.
3. The convention
for the protection of ozone layer depleting substances is started in the year
1987. What do you understand about this convention and how it will be helpful
to protect the environment?.
4. A chemical substance which is substituted by
chlorine and phenols is considered to be toxic. Justify your answer.
5. The energy
harvesting techniques from ocean are unique among others. Justify your
answer.
6. Suppose
hazardous chemicals are suspected to leaking from an old drum dumped near
your home. Outline the steps you would like to evaluate the site to clean.
7. Examine the
critical hypothesis of origin of solar system. Contrast the advantages and
disadvantages of photovoltaic cells and electric generation in converting
solar energy into electricity.
8. What do you understand about environmental
changes Vs emerging diseases.
9. Examine
whether each of the following represents point and nonpoint source of pollution:
fertilizer run off, thermal pollution from a power plant, urban run off,
sewage from a ship, and erosion sediments from deforestation. Which is more
difficult to control, nonpoint pollution or point source pollution? Why?
10. What
are the environmental responsibilities of industries and indicate their
adverse effect on nature.
|
Environmental Science 2015-16 cat 2
School
of Advanced Sciences
Fall
Semester 2015-16
CAT-II
October 2015
Slot:
G2
Course Code : CHY 1002 Duration
: 90 Minutes
Course
Name : Environmental Science Max. Marks: 50
Name
of the faculty members: K.
K. Cheralathan
Class
Numbers:
_________________________________________________________________________________
Instructions: Students are allowed to
carry their self-hand
written note books/papers and prescribed text book or it's photo copy to the examination.
Answer ALL the questions
(10´5 = 50 marks)
(10´5 = 50 marks)
1. A patient was diagnosed with disturbed hormone system.
However examination of the glands showed no abnormality. The doctor who
examined patient suggests that the patient might have acquired the condition
from the environment. What is your opinion in this regard and how would you
help the patient to identify the cause for his ailments?
2. There is a dispute between two friends. One is an economist
and the other one is an environmentalist. The first friend has the opinion
exporting pulses, garments and cars to other countries will improve economy.
The second one argues that exporting these goods will increase natural capital
degradation in our country. Whom will you support? Rationalize your opinion.
(iii) lead battery (iv) mercury (v) spoiled vegetables and fruits
5. Describe how water
present in oceans and rivers can be used to generate energy without
degrading the environment and depleting natural capital.
6. Hydrogen is a clean
source of energy and it will revolutionize our energy future. How will you
defend this declaration?
7.Give any five reasons
why we have to switch from coal to other renewable resources to produce
energy.
8. Nuclear energy is a
clean form of energy. Give any three points each to support and contradict
this statement.
9. Energy efficiency is
an important energy source. How? Suggest any three technologies which can
save electricity.
10. Explain the
connection between the graph shown below and Kyoto protocol.
Ü Best of luck Þ
Environmental Science cat 2(2015-2016)
SCHOOL OF ADVANCED
SCIENCES
Continuous Assessment Test – II, October 2015
Fall Semester, 2015-2016
|
|||
Course Code
|
: CHY1002
|
Duration
|
: 90 minutes
|
Course name
|
: Environmental Science
|
Max. Marks
|
: 50
|
Classnumber
|
: 6316
|
Slot
|
: G1
|
Faculty name
|
: U. Vijayalakshmi
|
School
|
: SAS
|
Answer ALL the
Questions (10X 5 = 50 Marks)
|
|||
1.
Name a
few important synthetic pesticides and describe in brief about the harmful
effect of these pesticides on human and other life forms.
2.
During
a formal debate on the hazards of air pollution, one team argues that ozone
is helpful to the atmosphere, and the other team argues that it is
destructive. Under which conditions is each teams arguments correct?
3.
Even a
small amount of a cancer causing chemical in smoking cigarettes tends to
generate the greatest public concern? Justify the answer.
4.
Solar
energy is popular as compared to conventional energy options. Justify.
5.
What
are bio-indicators for identifying pollution? Describe in briefs about the
types of bio-indicators.
6.
Next
to your village, the government has started to construct a nuclear power
plant. Describe safety issues associated with nuclear power plants and risks
associated with the storage of radioactive wastes.
7.
List
the energy conservation measures you could adopt in each of the following
aspects of your life; lighting, bathing, cooking, buying a car and driving a
car.
8.
Explain
the treatment process which removes about 90% of the biodegradable materials
present in the water.
9.
Will
it be easier for societies to mitigate climate change by implementing any
protocol? Explain your answer.
10. Discuss the environmental problems caused by
using oil and natural gas.
|
|||
Environmental Sciences 1002 cat 2 2016-17
SCHOOL
OF ADVANCED SCIENCES
Continuous
Assessment Test – II, October 2016
Fall Semester 2016 ~ 17
Course
Code
|
:
CHY1002
|
Duration
|
:
90 minutes
|
|
Course
Name
|
:
Environmental Sciences
|
Max.
Marks
|
:
50
|
|
Slot
|
:
F1
|
Date
|
:
07.10.2016
|
|
Class
number
|
: 7402,7412,7422,7432
|
Time
|
:
2.00-3.30 PM
|
|
Faculty
Names
|
:
Prof.
Ravikanth Kamlekar, Prof. Santhakumar K, Prof. Sumathi S,
Prof. Barnali Maiti
|
|||
Answer ALL the Questions (10
x 5 = 50 Marks
)
1.
Describe the features
of a mass burn incinerator and mention some of the problems associated with
incinerators.
2.
Spiritual dip in holy Ganga at Kumbh is not
clean. Why it is regarded as open sewer?
If so will you recommend uniting all Indian rivers?! List the possible impact of pollution and the
ways to overcome.
3. Why has an “ozone hole” appeared over Antarctica when ozone depleting
substances are present throughout the stratosphere?
4. State, why a car parked in
the sunshine with its windows closed is found much more hot inside than
outside?
5.
‘Nature
maintains a balance of carbon dioxide and oxygen in the atmosphere”, Comment.
6. What's the difference between PV and other solar energy technologies?
7. Nuclear energy is a clean
form of energy. Give any three points each to support and contradict this
statement
8. Can any source of energy be pollution-free? Why or why
not? Why is biogas a better fuel than animal dung-cakes?
9. How much wind is needed to turn a wind turbine? How much energy is produced by wind
turbines? How long does it take to build
a wind farm?
10. Hydrogen is a clean source of
energy and it will revolutionize our energy future. How will you defend this
declaration?
-----------------
Environmental Science 1002 2015-16
School of Advanced Sciences
Fall Semester 2015-16
CAT-II October 2015
CAT-II October 2015
Slot: G2
Course Code : CHY 1002 Duration
: 90 Minutes
Course Name : Environmental Science Max. Marks: 50
Name of the faculty members: K. K. Cheralathan
Class Numbers:
__________________________________________________________________________________
Answer ALL the questions
Answer ALL the questions
(10´5 = 50 marks)
- A patient was diagnosed
with disturbed endocrine system. However examination of the glands showed
no abnormality. The doctor who examined patient suggests that the patient
might have acquired the condition from environment. What is your opinion in this regard and
how would you help the patient to identify the cause for his ailments?
- There are two of your
friends. One is an economist and the other one is an environmentalist. The
first friend has the opinion exporting pulses, garments and cars to other
countries will improve economy. The second one argues that exporting these
goods may improve economy but will increase natural capital degradation in
our country. Whom will you support? Rationalize your opinion.
- Suggest the best
solid waste management method for the following wastes and justify your
suggestion.
(i) Aluminum cans (ii) garbage after
recovering reusable and recyclable materials
(iii) lead battery (iv) mercury (v) spoiled vegetables and fruits
(iii) lead battery (iv) mercury (v) spoiled vegetables and fruits
- The higher pollution
levels seen in Polar Regions of the globe are due to “grasshopper effect”. Validate this statement with couple of
examples.
- Explain the
connection between the graph shown below and Kyoto protocol.
- Describe how water
present in oceans and rivers can be used to generate energy without degrading
the environment and depleting natural capital.
- Hydrogen is a clean
source of energy and it will revolutionize our energy future. How will you
defend this declaration?
- Give any five reasons
why we have to switch from coal to other renewable resources to produce
energy.
- Nuclear energy is a
clean form of energy. Give any three points each to support and contradict
this statement.
- Energy efficiency is an important energy
source. How? Suggest any three technologies which can save electricity.
Subscribe to:
Posts (Atom)
-
4 Papers
-
Fundamentals of Electrical Circuits - 5paper
