EVSC/II/02 Student's Copy
2 0 1 8
Pre-CBCS
2nd Semester
ENVIRONMENTAL SCIENCE
Paper EVS-201
Natural Resources
Full Marks 55
Time 2½ hours
PART A—OBJECTIVE
Marks 20
The figures in the margin indicate full marks for the questions
SECTION—A
Marks 5
Tick the correct answer in the brackets provided 1×5=5
1. Common energy source in Indian village is
electricity
coal
wood and animal dung
sun
/384 1 Contd.
2. The functions of the forest are
productive functions
protective functions
regulative functions
All of the above
3. The cells of living beings contain water, as proportion of the body weight of
the organisms, ranging from




4. Which is the uppermost layer of a soil profile?
A horizon
B horizon
O horizon
C horizon
5. In India, first commercial oil discovery was made in
Gujarat
Maharashtra
Assam
Madhya Pradesh
EVSC/II/02/384 2 Contd.
SECTION—B
Marks 15
Write short notes on the following 3×5=15
1. Causes for depletion of natural resources
2. Characteristics of tropical evergreen forest
3. Physical characteristics of water
4. Conservation of mineral wealth with special reference to North-East India
5. Hydrothermal energy
PART B—DESCRIPTIVE
Marks 35
The figures in the margin indicate full marks for the questions
UNIT—I
1. Define resources. Discuss the classification of the world's natural
resources.
OR
Describe the renewable and non-renewable resources with appropriate
examples. 7
UNIT—II
2. Describe the important function of forest resources. 7
OR
Write a note on major non-timber resources. Discuss the vegetation types of
Mizoram.
EVSC/II/02/384 3 Contd.
UNIT—III
3. Explain the status of groundwater resources with a suitable diagram. 7
OR
Describe briefly the water resource scenario on the earth. 7
UNIT—IV
4. Define land resources. Explain the concept of land use and land cover.

OR
Describe the different causes of soil erosion. Explain the remedial measures
for controlling soil erosion.
UNIT—V
5. Define energy resources. Discuss the role of solar energy as
non-conventional sources of energy programmes implemented in India.

OR
Write short notes on the following 3½×2=7
Natural gas
Biomass energy