Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU)) B-Tech 4th Semester (Fourth Semester) 2018-19 RAS402 Environment Ecology Question Paper
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Paper Id: 199278 Roll No.
B. TECH.
(SEM IV) THEORY EXAMINATION 2018-19
ENVIRONMENT & ECOLOGY
Time: 3 Hours Total Marks: 70
Note: Attempt all Sections. If require any missing data; then choose suitably.
SECTION A
1. Attempt all questions in brief. 2 x 7 = 14
a. Explain bio-magnification with examples.
b. Why green house is necessary for the earth?
c. Define BAP and its source of production.
d. ?Sea is a major sequestering medium of carbon?. Justify it.
e. Define BOD.
f. Explain flood and its main causes.
g. What do you understand by the term ?Biotic and Abiotic? with examples?
SECTION B
2. Attempt any three of the following: 7 x 3 = 21
a. What are the different ways to restore the damage of ecosystem? Explain In-
situ approach for conservation of ecosystem.
b. Draw and explain nitrogen cycle. Explain nitrification and denitrification
process.
c. What is meant by environment? Enumerate and discuss its various
components.
d. Define the term biodiversity? Explain the types and importance of biodiversity
in detail.
e. Explain the need of education for controlling the pollution? What are bio-
indicator and their types?
SECTION C
3. Attempt any one part of the following: 7 x 1 = 7
(a) Define biomass and biogas energy. Explain the different types of biogas plant
with suitable diagram.
(b) Explain why water logging and salinity are responsible for decrease in soil
fertility.
4. Attempt any one part of the following: 7 x 1 = 7
(a) Write an explanatory note on the multidisciplinary nature and importance of
environmental studies.
(b) Explain the term food chain and food web. Depict the various types of food
chains and food web with suitable examples.
5. Attempt any one part of the following: 7 x 1 = 7
(a) What is air pollution? Explain the different sources, effects and controlling
measures of air pollution.
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| 25-May-2019 08:56:34 | 45.115.62.2
FirstRanker.com | 25-May-2019 08:56:34 | 45.115.62.2
Printed Pages: 02 Sub Code: RAS402
Page 1 of 2
Paper Id: 199278 Roll No.
B. TECH.
(SEM IV) THEORY EXAMINATION 2018-19
ENVIRONMENT & ECOLOGY
Time: 3 Hours Total Marks: 70
Note: Attempt all Sections. If require any missing data; then choose suitably.
SECTION A
1. Attempt all questions in brief. 2 x 7 = 14
a. Explain bio-magnification with examples.
b. Why green house is necessary for the earth?
c. Define BAP and its source of production.
d. ?Sea is a major sequestering medium of carbon?. Justify it.
e. Define BOD.
f. Explain flood and its main causes.
g. What do you understand by the term ?Biotic and Abiotic? with examples?
SECTION B
2. Attempt any three of the following: 7 x 3 = 21
a. What are the different ways to restore the damage of ecosystem? Explain In-
situ approach for conservation of ecosystem.
b. Draw and explain nitrogen cycle. Explain nitrification and denitrification
process.
c. What is meant by environment? Enumerate and discuss its various
components.
d. Define the term biodiversity? Explain the types and importance of biodiversity
in detail.
e. Explain the need of education for controlling the pollution? What are bio-
indicator and their types?
SECTION C
3. Attempt any one part of the following: 7 x 1 = 7
(a) Define biomass and biogas energy. Explain the different types of biogas plant
with suitable diagram.
(b) Explain why water logging and salinity are responsible for decrease in soil
fertility.
4. Attempt any one part of the following: 7 x 1 = 7
(a) Write an explanatory note on the multidisciplinary nature and importance of
environmental studies.
(b) Explain the term food chain and food web. Depict the various types of food
chains and food web with suitable examples.
5. Attempt any one part of the following: 7 x 1 = 7
(a) What is air pollution? Explain the different sources, effects and controlling
measures of air pollution.
FirstRanker.com
| 25-May-2019 08:56:34 | 45.115.62.2
FirstRanker.com | 25-May-2019 08:56:34 | 45.115.62.2
Printed Pages: 02 Sub Code: RAS402
Page 2 of 2
(b) Discuss in brief the salient feature of the Water (Prevention and Control of
Pollution) Act, 1974.
6. Attempt any one part of the following: 7 x 1 = 7
(a) What is depletion of ozone layer? Give causes and effects of deletion of ozone
layer.
(b) Discuss the adverse impact of urbanization and industrialization on
environment and suggest suitable remedial measures.
7. Attempt any one part of the following: 7 x 1 = 7
(a) Describe what are the functions of NGOs for the controlling the pollution.
(b) What do you understand the term ?solid waste management?? Name and briefly
discuss the basic functional elements of solid waste management.
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This post was last modified on 29 January 2020