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EC1302: DIGITAL SIGNAL PROCESSING SEM / YEAR: V / III

DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING
QUESTION BANK
SUBJECT CODE : EC2302 SEM / YEAR : V / III
SUBJECT NAME : DIGITAL SIGNAL PROCESSING

UNIT-I :DISCRETE FOURIER TRANSFORM
PART - A
TWO MARKS:
1. Define about DFT and IDFT?
2. Find the values of WN
k ,When N=8, k=2 and also for k=3.
4. Draw the radix-2 FFT–DIF butterfly diagram.
5. Draw the radix-2 FFT–DIT butterfly diagram.
6. What is the necessity of sectioned convolution in signal processing?
7. Define Correlation of the sequence.
8. State any two DFT properties.
9. Why impulse invariant transformation is not a one-to-one mapping?
PART - B
1. a) Compute 4- point DFT of casual three sample sequence is given by,
x(n) = 1/3, 0_n_2
= 0, else (10)
b) State and prove shifting property of DFT. (6)
2. Derive and draw the radix -2 DIT algorithms for FFT of 8 points. (16)
3. Compute the DFT for the sequence {1, 2, 0, 0, 0, 2, 1, 1}. Using radix -2 DIF FFT and
radix -2 DIT- FFT algorithm. (16)
4. Find the output y(n) of a filter whose impulse response is h(n) = {1, 1, 1} and input signal
x(n) = {3, -1, 0, 1, 3, 2, 0, 1, 2, 1}. Using Overlap add overlap save method. (16)
5. In an LTI system the input x(n) = {1, 1, 1}and the impulse response h(n) = {-1, -}Determine
the response of LTI system by radix -2 DIT FFT (16)
6. Find the output y(n) of a filter whose impulse response is h(n) = {1, 1, 1} and input signal
x(n) = {3, -1, 0, 1, 3, 2, 0, 1, 2, 1}. Using Overlap save method (16)

UNIT-II: INFINITE IMPULSE RESPONSE DIGITAL FILTERS
&
UNIT-III: FINITE IMPULSE RESPONSE DIGITAL FILTERS
PART - A
TWO MARKS:
1. Differentiate IIR filters and FIR filters.
2. Write the characteristics features of Hanning window
3. Define pre-warping effect? Why it is employed?
4. Give any two properties of Butterworth filter.
5. When a FIR filter is said to be a linear phase FIR filter
6. Write the characteristics features of rectangular window.
7. Write the expression for Kaiser window function..
9. Write the characteristics features of Hamming window
10. Why mapping is needed in the design of digital filters?
PART - B
1 . With a neat sketch explain the design of IIR filter using impulse invariant transformation. (16)
2. Apply impulse invariant transformation to H(S) =
(S +1) (S + 2)
with T =1sec and find H(Z). (16)
3. For a given specifications of the desired low pass filter is
0.707 _ |H(_)| _1.0, 0 _ _ _ 0.2_
|H(_)| _ 0.08, 0.4 _ _ _ _ _
Design a Butterworth filter using bilinear transformation. (16)
4. Explain the procedural steps the design of low pass digital Butterworth filter and list its
properties. (16)
5. The normalized transfer function of an analog filter is given by,
1
Ha(Sn)= Sn
2 + 1.414Sn +1
with a cutoff frequency of 0.4 _, using bilinear transformation. (16)
.
6. List the three well known methods of design technique for IIR filters and explain any one.(16)
7. Design a low pass filter using rectangular window by taking 9 samples of w(n)
and with a cutoff frequency of 1.2 radians/sec.
Using frequency sampling method, design a band pass FIR filter with the following
specification. Sampling frequency Fs =8000 Hz, Cutoff frequency fc1 =1000Hz, fc2 =3000Hz.Determine the filter coefficients for N =7. (16)
8. Design an ideal high pass filter with Hd(ej _) = 1 ; _/4 _ | _| _ _
= 0 ; | _| _ _/4 Using Hamming window with N =11 (16)
9. Determine the coefficients of a linear phase FIR filter of length N =15 which has a symmetric
unit sample response and a frequency response that satisfies the conditions
H (2 _k /15) = 1 ; for k = 0, 1, 2, 3
0.4 ; for k = 4
0 ; for k = 5, 6, 7 (16)
10. Design and implement linear phase FIR filter of length N =15 which has following unit sample
sequence H(k) = 1 ; for k = 0, 1, 2, 3
0 ; for k =4, 5, 6, 7 (16)
11. Convert the analog filter in to a digital filter whose system function is
S + 0.2 H(s)= ---------------- .Use Impulse Invariant Transformation .Assume T=1sec (16)
(S + 0.2)2 + 9
1
12. The Analog Transfer function H(s)= ----------------.Determine H(Z) .Using Impulse (S+1) (S+2) Invariant Transformation .Assume T=1sec . (8)
13. Apply Bilinear Transformation to H(s)= ------------- with T=0.1 sec. (8)
(S+2)(S+3)

UNIT IV FINITE WORD LENGTH EFFECTS
PART - A
TWO MARKS:
1. What are the effects of finite word length in digital filters?
2. List the errors which arise due to quantization process.
3. Discuss the truncation error in quantization process.
4. Write expression for variance of round-off quantization noise.
5. What is sampling?
6. Define limit cycle Oscillations, and list out the types.
7. When zero limit cycle oscillation and Over flow limit cycle oscillation has occur?
8. Why? Scaling is important in Finite word length effect.
9. What are the differences between Fixed and Binary floating point number representation?
10. What is the error range for Truncation and round-off process?
PART - B
1. The output of an A/D is fed through a digital system whose system function is
H(Z)=(1-_)z /(z-_), 0<_<1.Find the output noise power of the digital system. (8)
2. The output of an A/D is fed through a digital system whose system function is
H(Z)=0.6z/z-0.6. Find the output noise power of the digital system=8 bits (8)
3. Discuss in detail about quantization effect in ADC of signals. Derive the expression for Pe(n) and SNR. (16)
4 a. Write a short notes on limit cycle oscillation (8)
b. Explain in detail about signal scaling (8)
5. A digital system is characterized by the difference equation
Y(n)=0.95y(n-1)+x(n).determine the dead band of the system when x(n)=0 and y(-1)=13. (16)
6. Two first order filters are connected in cascaded whose system functions of theIndividual sections are H1(z)=1/(1-0.8z-¹ ) and H2(z)=1/(1-0.9z -¹ ).Determine theOver all output noise power. (16)

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### EC2305 TRANSMISSION LINES and WAVE GUIDES question bank

EC1305: TRANSMISSION LINES & WAVE GUIDES SEM / YEAR: V / III

DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING
QUESTION BANK
SUBJECT CODE : EC2305 SEM / YEAR : V / III
SUBJECT NAME : TRANSMISSION LINES & WAVE GUIDES

UNIT I - TRANSMISSION LINE THEORY
PART – A
All questions – Two Marks:
1. What is group velocity?
4. Define Characteristic impedance?
5. What is frequency distortion?
6. Calculate the load reflection coefficient of open and short circuited lines?
7. Calculate the characteristic impedance for the following line parameters
R = 10.4 ohms /km L = 0.00367 H/km
C = 0.00835μf /km G = 10.8x10-6 mhos /km
8. Define phase distortion?
9. Write the equation for the input impedance of a TL?
10. Define propagation constant?
11. Define wavelength?
12. Give the input impedance of a open and short circuit line?
13. Define reflection factor?
14. Define reflection loss?
15. What is meant by reflection co – efficient?
16. State the properties of infinite line?
EC1305: TRANSMISSION LINES & WAVE GUIDES SEM / YEAR: V / III
17. Write the condition for a distortion less line?
18. When does reflection take place on a TL?
19. What is transfer impedance? State its expression?
20. What is difference between lumped and distributed parameters?
21. Draw the equivalent circuit of a TL?
22. Write the Campbell’s formula for propagation constant of a loaded line?
PART – B
1. Obtain the general solution of Transmission line? (16)
2. Explain about waveform distortion and distortion less line condition? (16)
3. Explain about reflection loss? (16)
attenuation constant (_) and phase constant (_) and velocity of signal transmission
(v) for the uniformly loaded cable? (16)
5. Derive the equation of attenuation constant and phase constant of TL in terms of R,
L, C, G? (16)
6. Explain in details about the reflection on a line not terminated in its
characteristic impedance (z0)? (16)
7. Explain in following terms (16)
(i) Reflection factor (ii) Reflection loss
(iii) Return loss
8. Explain about physical significance of TL? (16)
9. Derive the equation for transfer impedance? (16)
10. Derive the expression for input impedance of lossless line? (16)
11. Explain about telephone cable? (16)
12. Explain about different type of TL? (16)
UNIT II - THE LINE AT RADIO FREQUENCIES
PART – A
All questions – Two Marks:
1. Name few applications of half – wave line?
2. Find the VSWR and reflection co – efficient of a perfectly matched line with no
3. Explain the use of quarter wave line for impedance matching?
4. What is the need for stub matching in transmission lines?
5. Why do standing waves exist on TL?
6. Define Node and antinodes?
7. What are constant S circles?
8. What are the advantages of double stub matching over single stub matching?
9. Derive the relationship between standing wave ratio and reflection co – efficient?
10. Write the expression for the characteristic impedance Ro’ of the matching quarter –
wave section of the line?
11. Give the applications of smith chart?
12. Define standing wave ratio?
13. Give the analytical expression for input impedance of dissipation less line?
14. Design a quarter wave transformers to match a load of 200 _ to a source resistance of
500 _. The operating frequency is 200 MHz?
15. Define skin effect?
16. What is zero dissipation line?
17. Mention the assumptions of radio frequency lines?
18. Distinguish between single stub matching and double stub matching?
19. Write down the expression to determine the length of the stub?
20. Write down the expression to determine the position of the stub?
PART – B
1. Explain about half wave transformer? (8)
2. Application of smith chart? (8)
3. Explain about voltage and current waveform of dissipation less line? (16)
EC1305: TRANSMISSION LINES & WAVE GUIDES SEM / YEAR: V / III
4. Derive the expression for the input impedance of the dissipation less line and the
expression for the input impedance of a quarter wave line. Also discuss the application
of quarter wave line? (16)
5. Explain single stub matching on a transmission line and derive the expression and the
length of the stub used for matching on a line? (16)
6. Design a single stub match for a load of 150+j225 ohms for a 75 ohms line at 500 MHz
using smith chart? (16)
7. A 30 m long lossless transmission line with characteristic impedance (zo) of 50 ohm is
terminated by a load impedance (ZL) = 60 + j40 ohm. The operating wavelength is 90
m. find the input impedance and SWR using smith chart? (16)
8. Explain double stub matching on a transmission line and derive the expression and the
length of the stub used for matching on a line? (16)
9. Explain about _ / 8 wave transformer? (16)
10. explain about properties of smith chart? (16)
UNIT III - GUIDED WAVES
Part-A
All questions – Two Marks:
1. Define group velocity?
2. What are the characteristics of TEM waves?
3. What is the cut off frequency of TEM wave?
4. Give the expression that relates phase velocity (Vp), Group velocity (Vg) and free
space velocity?
5. What are TE waves or H waves?
6. What are TM waves or E waves?
7. What are guided waves?
8. What is dominant mode? Give examples?
9. Write down the expression for cut off wavelength and cut off frequency?
10. Write down the expression for velocity of propagation?
11. Define attenuation factor?
12. Define wave impedance?
13. Distinguish between TE and TM waves?
14. Write down the relation between guide wavelengths and cut off wavelength?
15. Give the expression for the guide wavelength when the wave transmitted in
between two parallel plates?
16. Find the frequency of minimum attenuation foe TM waves?
17. Give relation between the attenuation factor for TE and TM waves?
18. Draw a neat sketch showing the variation in the value of attenuation with frequency
for TE, TM, and TEM mode between two parallel plates?
19. Draw a neat sketch showing the variation in the value of wave impedance with
frequency for TE, TM, and TEM mode between two parallel plates?
Part-B
1. Discuss the characteristics of TE and TM waves and also derive the cut off
frequency and phase velocity from the propagation constant? (16)
2. Derive the expression for the field strength for TE waves between parallel plates
propagating in Z direction? (16)
3. Derive the expression for attenuation of TM waves in between parallel plates?(16)
4. Derive the expression for attenuation of TE waves in between parallel
Plates? (16)
5. Derive the expression for the field strength for TM waves between
Parallel plates propagating in Z direction? (16)
6. Obtain the expression for the field components of an electromagnetic wave
propagating between a pair of perfectly conducting planes? (16)
7. Derive the expression for wave impedance of TE, TM and TEM wave between a
pair of perfectly conducting planes? (16)
8. Explain about transverse electromagnetic waves between a pair of perfectly
conducting planes? (16)
9. Prove that the velocity of propagation? (16)
UNIT IV - RECTANGULAR WAVEGUIDES
Part-A
All questions – Two Marks:
1. What are the dominant mode and degenerate modes in rectangular wave – guides?
2. A rectangular wave – guides has the following values l=2.54 cm, b= 1.27 cm
waveguide thickness = .0127. Calculate the cut off frequency?
3. Define wave impedance?
4. Why TEM mode is not possible for rectangular wave – guides?
5. Define characteristic impedance?
6. Define attenuation factor?
7. Draw a neat sketch showing the variation in the value of attenuation with frequency for
TE, TM, and TEM mode for rectangular wave guide?
8. Draw a neat sketch showing the variation in the value of wave impedance with
frequency for TE, TM, and TEM mode for rectangular wave guide?
9. Write down the expression for cut off wavelength and cut off frequency for rectangular
wave guide?
10. Write down the expression for cut off wavelength and cut off frequency for TE 10
mode?
11. Write down the expression for guide wavelength and velocity of propagation for
rectangular wave guide?
12. Write down the expression for attenuation constant for TE 10 mode?
13. Write down the expression for attenuation constant for TM 11 mode?
14. What is cut off frequency?
15. What is dominant mode? Name the dominant mode in TE and TM waves?
Part-B
1. Derive the field configuration, cut off frequency and velocity of propagation for TM
waves in rectangular wave – guides? (16)
2. Determine the solution of electric and magnetic fields of TE waves guided along
rectangular wave – guides? ` (16)
3. Explain the wave impedance of a rectangular wave – guide and derive the
expression for the wave impedance of TE,TM, and TEM mode? (16)
4. Discuss the characteristics of TE and TM waves and also derive the cut off
frequency and phase velocity from the propagation constant? (16)
5. Derive the expression for attenuation of TE10 waves in rectangular wave guide?
(16)
6. Derive the expression for attenuation of TM 11 waves in rectangular wave
guide? (16)
7. Explain about excitation modes in rectangular wave guide? (16)
8. Explain about dominant mode in rectangular wave guide? ` 16)
9. Determine the solution of electric and magnetic fields of TM waves guided along
rectangular wave – guides? (16)
10. Explain about characteristic impedance in rectangular wave guide? (16)
11. Explain about degenerate mode in rectangular wave guide? (16)
UNIT V - CIRCULAR WAVE GUIDES AND RESONATORS
Part-A
All questions – Two Marks:
1. What is cavity resonator?
2. Define the quality factor of the cavity resonator?
4. Give the application of circular wave guide?
5. Why rectangular or circular cavities can be used as microwave resonators?
6. Define Bessel’s function?
7. What is Eigen value?
8. What is dominant mode of TM and TE waves in circular waveguide?
9. Write expressions for the Eigen value and cut off wave number for the TE mode?
10. Write expressions for the Eigen value and cut off wave number for the TM mode?
11. Expression for the resonant frequency of the rectangular cavity resonator?
12. Expression for the resonant frequency of the circular cavity resonator?
13. Expression for the quality factor of the circular cavity resonator?
14. Expression for the quality factor of the rectangular cavity resonator?
15. Define cavity tuning?
16. Define resonant cavity?
17. Give the application of microwave resonator?
Part-B
1. Derive the Q-factor of a rectangular cavity resonator? (16)
2. Derive the TM wave components in circular wave guides using Bessel functions?
(16)
3. What is meant by cavity resonator? Derive the expression for the resonant
frequency of the rectangular cavity resonator? (16)
4. Derive the expression for cut off frequency, phase constant and phase velocity of
wave in a circular wave guide? (16)
5. Derive the expression for the resonant frequency of the circular cavity resonator?
(16)
6. Derive the expression for the resonant frequency of the semi circular cavity
resonator? (16)
7. Derive the TE wave components in circular wave guides using Bessel functions?(16)
8. Derive the expression for the wave impedance in circular wave guide? (16)
9. Derive the field strength or equation in cylindrical co – ordinates systems?

PRINCIPLES OF ENVIRONMENTAL SCIENCE & ENGINEERING

SUBJECT CODE  -  CY 1201 / GE2211

UNIT – I

## PART – A

1. Define Environmental studies.
2. What are the principles of environmental education?
3. Mention the scope and importance of Environmental studies.
4. How forests are useful to mankind?
5. What is mining? Mention the methods of mining.
6. Enumerate the effects of mining on the environment.
7. What are Dams? How is it useful to human beings?
8. Discuss the problems of over-exploitation of Ground water.
9. What are the methods of flood control?
10. What are the up-stream impacts of constsruction of dams?
11. Define under-nutrition & mal-nutrition.
12. What are the merits of using renewable energy resources?
13. Why alternate energy resources are required?
14. What is the application of wind energy?
15. Write a note on Geo-Thermal energy.
16. What is soil erosion?
17. Differentiate between renewable & non-renewable energy resources.
19. Differentiate between organic and synthetic fertilizers.
20. What is an aquifer? Mention its types.
21. What are the types of mining?
22. Mention the types of drought.
23. What are super-pests?
24. Define Eutrophication.
25. What is biological magnification?
26. What is organic farming?
27. What is meant by sustainable development?
28. What are the major causes of deforestation?
29. Mention the effects of ground water usage?
30. What are the types of minerals?
31. What is microbial leaching technique?
32. What is carrying capacity?
33. What are the types of soil erosion?
34. What are the uses of various types of minerals?
35. What is bio-gas?
36. What is nuclear energy?
37. Define sustainabe forestry.
38. State the environmental effects of extracting & using mineral resources.
39. State the need for public awareness for solving environmental problems.
40. What is water logging?
41. What is  salinization?

# PART – B

1. What are conventional energy resources? Discuss about solar energy and Ocean thermal energy.
2. Discuss the major causes & consequences of deforestation?
3. Explain the major impacts of timber extraction and mining.
4. Enumerate the various benefits and drawbacks of constructing dams.
5. What are the uses and over-exploitation of water? Explain with a case-study.
6. Comment on floods & drought.
7. What are the environmental impacts of mineral extraction? Explain.
8. Discuss in detail the impacts of over-grazing & agriculture.
9. Write short notes of (i) Tidal energy  (ii) Bio-gas  (iii) Nuclear energy.
10. Explain the various types of land degradation.
11. Explain as an individual how will you conserve natural resources.
12. How will you achieve sustainable life-style by equitable share of resources.
13. What are the measures recommended for conservation of natural resources.
14. Explain briefly the various methods of harvesting solar energy.
15. Explain in detail the effects due to  pesticides usage in moderns agriculture.

## PART-A

1. Define Ecology?
2. Define Eco-System with an example?
3. What are the structural components of an Ecosystem?
4. Bring out the functional features of an Ecosystem?
5. Differentiate between Food Chain and Food Web?
6. What are Ecological Pyramids. Give examples.
7. Pyramid of energy is always upright. Explain.
8. What are Biochemical cycles. Explain their importance?
9. What is the significance of Ecological pyramids?
10. There found to be only 4 to 5 trophic levels in any Ecosystem. Explain.
11. What is Ecological Succession. Mention its types.
12. Discuss about the prime characteristics of
a.Forest Ecosystem
b.Grassland Ecosystem
c.Desert Ecosystem
d.Aquatic Ecosystem
1. Differentiate species and genera. (or) Define genetic diversity.
2. Differentiate between biodiversity and ecosystem biodiversity.
3. What are hotspots of biodiversity?
4. Justify India to be a great spot of biodiversity.
5. Bring out the threats towards biodiversity .How poaching affects biodiversity.
6. Define Endemism with an example.
7. What are endangered species? Give examples.
8. What are the aesthetic values of biodiversity.
9. What are National Parks. Name few parks in India.
10. Explain the necessity to conserve biodiversity.
11. What are GPP and NPP.
12. What is Ecological regulators.
13. Define Food Chain with an example.
14. Define Food Web with an example.
15. Discuss the water cycle.
16. Bring few methods to conserve biodiversity.
17. What is stratification?
18. Bring out the classification of aquatic ecosystem.
19. Explain ecological; pyramids with respect to pond ecosystem.
20. What is ecosystem diversity.
21. Bring out the Bio-geographical classification of India.
22. Comment on local or regional biodiversity.
23. Explain Endemism with respect to India.
24. Bring out the order of distribution of biodiversity through out the world with reasons.
25. What is biodiversity and its significance.
26. Explain biosphere.
27. Explain threatened species.

## PART-B

1. Explain the components, characteristics and biodiversity of Forest ecosystem.
2. Explain the structure and functional features of  Aquatic ecosystem.
3. Discuss in detail about Ecological succession stating the various stages.
4. What are trophic levels? Explain the flow of energy and minerals in ecosystem.
5. Explain the two models of energy flow in an ecosystem.
6. Discuss the value of biodiversity.
7. Explain Carbon and Nitrogen cycles.
8. Explain the Sulphur and Phosphorus cycles.
9. What are the threats faced by biodiversity. What are the solutions for the threats.
10. Explain In-situ and Ex-situ conservation of biodiversity.(or) What are the measures recommended for conservation of biodiversity.

## UNIT-III

PART-A

1. Define Pollution.
2. What are the types of pollutants.
3. What are the types of Air pollutants.
4. What is suspended particulate matter. Give example.
5. Define photochemical smog.
6. What are types of acid rain.
7. How will you control air pollution.
8. Give the major water pollutants with example.
9. What is meant by point and nonpoint sources.
10. What is chlorosis and necrosis.
11. What is bioaccumulation.
12. Mention the diseases caused by nitrates.
13. Define BOD and COD.
14. Define soil pollution.
15. What are the sources of soil pollution.
16. What are the sources effects of marine pollution.
17. What are the control methods of thermal pollution.
18. Give the sources of radio activity.
19. Classify solid wastes.
20. What are the sources of urban and industrial wastes.
21. Why do earth quake occur.
22. What are the damages caused by io0nic radiations.
23. What are the various types of natural disasters.
24. What are the roles of a citizen in reducing pollution.
25. What are Municipal Solid Wastes(MSW)
26. What is composting.
27. What is incinerators.
28. What are aerosols. Give examples.
29. Explain aerobic and anaerobic oxidation.
30. What are the two main commonly used radio isotopes in nuclear fission reactions?
31. Explain disaster management briefly.
32. What is meant by automobile pollution.
33. What is domestic sewage?
34. What are the sources and effects of air pollutants.
35.  Define  thermal pollution.

PART- B

1.Mention the sources and effects of various air pollutants.
2. Describe the method of control of air pollution.
3.Briefly describe the sources effects and control of noise pollution.
4. Enumerate with example the major sources of surface and ground water
pollution.
5. Wrtie short notes on a) Minimata disease b) blue baby syndrome c) itai-itai
disease.
6. Explain the method of sewage water treatment.
7. What are the major sources of soil pollution?
8. What are the measures to be taken to prevent soil pollution?
9. Explain in detail the Solid waste management techniques.
10. Write notes on (i) Floods (ii) Landslides (iii) Cyclones.
11. Explain any two case studies on Nuclear pollution.
12. What are the sources, effects & control measures of Marine pollution?
14. Explain the causes,effects & control measures of Water pollution.
15.What are the effects of improper  municipal solid waste management? State
the measures recommended for proper management of the solid waste.
16.Explain the methods of disposal of municipal solid waste.
17.Write notes on disposal of radio-active wastes.
18.Compare the nuclear power with coal power.
19.What are the causes of soil erosion and methods of preventing it.
20.Discuss the aspects of prevention & control of noise.

UNIT – IV

PART – A

1. Define Sustainable development.
2. Write a note on Earth Summit – 1992.
3. Bring out the important aspects of sustainable development.
4. Write a note on 3R principle.
5. Define Rain Water Harvesting.
6. What are the objectives of rain water harvesting?
7. What is water Shed?
8. What are the objectives (or) principles of watershed management?
9. Write a note on agro-forestry.
10. Name few Green-House gases.
11. What are the effects of global warming?
12. Mention few practices to reduce global warming.
13. Explain acid-rain and its effects.
14. Bring out the reactions taking place at stratosphere.
15. What are the effects of Ozone-Layer depletion?
16. Compare Consumerism & Waste generation.
17. Enlist the factors affecting the sustainable society.
18. Differentiate between Re-habilitation & Re-settlement of people.
19. Mention the objectives of Environment Protection Act.
20. Enlist the objectives of Air-Pollution Act.
21. Explain the Wild-Life protection Act.
22. Explain the necessity of Environmental Legislation.
23. What is nuclear holocaust? How can it occur?
24. Write a note on crop rotation.
25. Discuss the articles 48-A & 51-A of Indian Constitutional provision for Environmental protection.
26. Write a note on CPCB & SPCB.
27. Indicate some methods to create environmental awareness among public.
28. How can we achieve the goal of sustainable development?
29. Define environmental ethics.
30. How does a climate change occur?
31. Mention any two control measures on acid rain.
32. What is acid deposition ?
33. Define population explosion.

# PART – B

1. Bring out the activities of NGO’s on environmental protection.
2. Discuss about the Forest Act, 1980 and its amendment –1992.
3. Describe about Water Act – 1974.
4. Describe the important waste land reclamation practices.
5. Describe environmental ethics in detail.
6. Discuss the modern techniques of rain water harvesting.
7. Discuss the water shed management practices.
8. Discuss in detail about the water conservation methods.
9. Discuss the agenda for sustainable development.
10. Write in detail about global warming.
11. Explain the mechanism of Ozone layer depletion.
12. Write briefly on community participation in environment management programmes.
13. Discuss briefly of the Indian environmental Acts.
14. Write short notes on  a) environmental ethics b) waste land reclamation.
15. State the important provisions in Environment protection Act , Air Act  Water Act.

UNIT – V

# PART –A

1. Write short notes on population dynamics.
2. What are the factors affecting population size?
3. What is meant by population stabilization.
4. Define the term population explosion.
5. What kinds of problems are created due to Urbanisation?
6. What are the objectives of Family Planning Programmes?
7. Mention the types of health hazards with examples.
8. What is the role of primary health care against AIDS?
9. What do you mean by remote sensing?
10. Mention the applications of remote sensing on water resources.
11. What is doubling time, total fertility rates?
12. Define Zero Population growth.
13. What are the two important views of population growth?
14. What is meant by value education?
15. What is GIS?
16. Define (i) Toxins  (ii) Carcinogens  (iii) Tetrogenic (iv) Neurotoxins.
17. State how environment & human health are related?

# PART – B

1. Explain the population characteristics & variations among nations.
2. What is meant by population explosion? Discuss the Indian Scenario.
3. What is meant by population stabilization? Discuss the family welfare and family planning in Indian context.
4. Discuss the influence of environmental parameters and pollution on human health.
5. What is Universal declaration of Human rights? What is its importance in achieving the goals of equity, justice & sustainability.
6. Discuss the salient features of Draft declaration of Human Rights on environment.
7. What are the objectives & elements of Value-education? How can the same be achieved?
8. Briefly discuss HIV/AIDS, mode of its spread and its effect on environment.
9. Discuss various issues & measures for Women & Child Welfare at International & National level.
10. What is the role of NMIS, ENVIS & GIS in dissemination of environmental  information and environmental management?
11. Explain the role of Information Technology in environment & Human health.
12. Discuss the environmental and social impacts of growing population.
13. Write briefly on the effect of increasing affluence on environment.
14. Write briefly on implementation of family planning programme.
15. Write a note on AIDS in developing countries.
16. Discuss the factors influencing the family size.
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