Download GTU BE/B.Tech 2019 Summer 1st Sem And 2nd Sem Old 110007 Environmental Studies Question Paper

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Subject Code: 110007

Seat No.: Enrolment No.

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GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER-I & II (OLD) EXAMINATION — SUMMER-2019

Date: 15/06/2019

Subject Name: Environmental Studies

Time: 10:30 AM TO 01:00 PM

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Total Marks: 70

Instructions:

1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

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1. Q.1

   (a) Describe the structure of the atmosphere and tabulate the compositions of the atmosphere. 07

   (b) Why is Environmental education essential? What is the relationship between Man and Environment? Do you think that man has protected the environment? 07

2. Q.2

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   (a) Give the classification of ecology and explain in detail the structure of the ecosystem. 07

   (b) What is an ecological pyramid? Describe the pyramid of mass and energy with a sketch. 07

3. Q.3

   (a) How does the depletion of the Ozone layer take place in the atmosphere? Explain the ill effects of Ozone depletion. 07

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   (b) Explain forest ecosystem. 07

4. Q.4

   (a) What is the meaning of the biogeochemical cycle? Draw the carbon cycle and explain its functioning. 07

   (b) Give the classification of natural resources. Why do we conserve natural resources? 07

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5. Q.5

   (a) Discuss problems associated with the over-exploitation of water resources. 07

   (b) What is deforestation? What are the major causes of deforestation? 07

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6. Q.6

   (a) What is population growth? How is it calculated? Describe the factors affecting population growth. 07

   (b) What are different types of pollution? Describe the causes and effects of Eutrophication. 07

7. Q.7

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   (a) What do you understand by primary and secondary air pollutants? Discuss the health hazards of air pollution. 07

   (b) What is Noise pollution? How is it measured? Describe the effects of noise pollution on humans and animals. 07