Download AKTU B-Tech 2nd Sem 2014-15 NAS 105 Environment And Ecology Question Paper

Firstranker's choice FirstRanker.com

Printed Pages: 2

NAS-105/NAS-205

--- Content provided by‌ FirstRanker.com ---

(Following Paper ID and Roll No. to be filled in your Answer Book)

PAPER ID: 199224-N

Roll No.

B. Tech.

(SEM.II) THEORY EXAMINATION, 2014-15

--- Content provided by⁠ FirstRanker.com ---

ENVIRONMENT & ECOLOGY

Time: 2 Hours]

[Total Marks: 50

Note: Attempt all questions. All questions carry equal marks.

1. Attempt any four parts of the following: 3.5×4=14

   --- Content provided by‌ FirstRanker.com ---

   1. Elaborate the statement "Multidisciplinary nature of Environmental science".
   2. How would you broadly divide major layer or regions of the atmosphere? State respective altitude and temperature ranges.
   3. What are the basic components of Ecosystem?
   4. Discuss the various level of the Bio-diversity.
   5. Briefly describe the need of public awareness about the environment.

   --- Content provided by FirstRanker.com ---

   6. What are non-conventional energy resources? Discuss any two of them.

2. Attempt any two parts of the following 6×2=12

   1. 1. What are Ecological pyramids? Describe energy pyramid.
      2. Write in detail about the functions of ecosystem.

      --- Content provided by​ FirstRanker.com ---

   2. What is Environmental Impact Assessment? Discuss its importance in planning and implementation of engineering projects
   3. Define pollution and pollutants. Discuss the adverse effects and control measures of water pollution.

3. Attempt any two parts of the following: 6×2=12

   --- Content provided by​ FirstRanker.com ---

   1. Explain in detail Carbon and nitrogen cycle.
   2. Write a short note on sustainable development.
   3. What are air borne diseases? Is it come under the disease caused by air pollution?

4. Attempt any two parts of the following: 6×2=12

   --- Content provided by FirstRanker.com ---

   1. What is meant by ozone depletion? How CFCs and other ozone depleting substances affect ozone shield?
   2. Why do we refer Environmental Protection Act, 1986 as an Umbrella Act? Discuss the Environmental Protection rules, 1986.
   3. What are bio-indicators? Discuss the various types of bio-indicators.

FirstRanker.com

--- Content provided by​ FirstRanker.com ---