No. of Printed Pages: 8 IAIlE-OIl
BACHELOR'S DEGREE PROGRAMMEICES
Term-End Examination
December, 2015
04422
(APPLICATION ORIENTED COURSE) AHE-01 HUMAN ENVIRONMENT
Time: 3 hours Maximum Marks: 100
Note: Question no. 1 is compulsory. Attempt any eight questions from question nos. 2 to 11.


1. Define the following terms: 5x2=10

Environmental conservation

Biological magnification

BOD

Carrying capacity

Air Emission Standard

Indicate whether the following statements are True or False 5x1=5

The pyramid of biomass has a smaller base of primary producers, with a larger trophic level perched on top.

Solar energy is a conventional source of energy.

Sustainable development is linked to the policy changes at global level.

The prosperity of a country has come to be measured by the amount of energy it consumes.

'Project Tiger' was initiated in 1983.

Give the answer in only one or two words: 5x1=5

Cancers originating from connective tissues, bones, muscles, fat and blood vessels.

Mass movement of people from one place of settlement to another.

In high temperature zones the deposition of salts in excessively irrigated soils, making the soil unfit for cultivation.

High level of nutrients in water, which induces changes in the ecosystem balance and composition of aquatic life.

Interconnected feeding relationship in an ecosystem.

2. Describe briefly any two preventive remedial measures for prevention of soil erosion. 5

Write any five important principles of environmental conservation. 5

3. Only with the help of a well labelled diagram, represent the nitrogen cycle. 5

Justify the statement -"It has become very important to have concern about our environment." 5

4. In your opinion, which media would be the most effective for creating awareness about the environment among the rural population in India 5

Discuss the main drawbacks of occupational mobility. 5

5. State the various steps taken for treating waste water. 10

6. Explain briefly the drawbacks in environmental legislation, by citing suitable examples. 10

7. Differentiate between any four of the following pairs 4x2 1/2=10

Vector and Vertical transmission of communicable disease

Competition and Niche

Conventional and Non-conventional sources of energy

Geological erosion and Accelerated erosion

Savanna and Grasslands

8. Discuss briefly the effects of urbanisation on the environment. 10

9. Write short notes on any two of the following 2x5=10

Biological pest control

Protected areas for animals

Deforestation due to developmental activity

Utilisation of agricultural wastes

South Asia Cooperative Environment Programme

10. Define a population histogram. What information can be derived from such a histogram Describe the three types of population histograms. 10

11. Describe with the help of suitable examples how developmental activities cause diseases. 10