M.Sc. (Semester IV) (CBCS) Examination Oct/Nov-2017
Environmental Science
WATERSHED MANAGEMENT
Day Date: Friday, 24-11-2017 Max. Marks: 70
Time: 02.30 PM to 05.00 PM
Instructions: Answer any Five Question.
All Questions carry equal marks.
Question No. 1 is Compulsory.
Attempt any two from Q.No.2, 3 and 4.
Attempt any two from Q.No.5, 6 and 7.
Draw Neat Labeled Diagrams wherever necessary.
Q.1 Select the answer among the following 14
The vulnerability of soils to water erosion depends on
Rainfall Intensity and Nature of Soil
Rainfall Type and Temperature
Water Availability and Nature of Soil
Seasons and Nature of Soil
Land Capability Classification is a system of grouping soils primarily on the
basis of their capability to produce common
Cash Crop and Pasture plants
Cultivated Crop and Pasture plants
Drought Resistant Crop and Pasture plants
High Yielding Crop and Pasture plants
The Rational Method is used to calculate
Peak Surface Rainfall
Peak Surface Runoff Rate
Peak Surface Seepage Rate
Peak Surface Rainfall Duration
The standard way of measuring rainfall or snowfall is the
Rain Meter Rain Geometer
Rain Gauge Rain Gap
The area from which rainfall flows into a river, lake, or reservoir is called as

Water shadow region Water acceptor
Catchment Catchment of fertility
Engineering practices followed for soil and water conservation are
Terracing and Mulching
Terracing and Strip Cropping
Terracing and Banding
Terracing and Vetiver Grass Planning
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SLR-MI-416
Which among the following is not the outcome as consequences of a
degraded watershed?
Erosion of soil and washed out of crops
Decrease in productivity of agriculture and pollution of streams
Siltation of river beds and flash floods
Frequent water logging and high evaporation rate by plants
Steam order is a technique to:
Stop stream disturbance by scientific techniques
Classification of streams based on their location in drainage network
Prevent flow from running downhill
Allow flow of water on orderly channelization
is the area of land where of the water that falls in it and drains off it
goes to a common outlet.
Watershed River Mouth
Water Channel Aquifer
10) Hydrograph means
Rainfall is plotted over time in minutes or hours
Recharge is plotted over time in minutes or hours
Discharge (rate of flow) is plotted over time in minutes or hours
Quantity of water is plotted over time in minutes or hours
11) Cropping methods in watershed areas should be based on
Land permeability, percentage of cover and vegetation type
Soil salinity and type of vegetation
Soil fertility, high yielding varieties and demand
Land compactness, percentage of moisture and vegetation type
12) Hydrological type of burning may be due to
Burning of dried parts
Prescribed burning of forests
Lightening, accidental and prescribed burning
Accidental burning of trees
13) is an underground layer of water-bearing permeable rock, rock
fractures or unconsolidated materials from which groundwater can be
extracted.
Aquitard Aquifer
Aqua pool Confined pool
14) Alluvial Fans means
Stream flow in to a larger main valley and free to spread out
Stream flow and merges with river
Stream flow and meets with seawater
Fan like structure of watershed area
Q.2 Which are he factor that affect watershed operations? Also discuss the
objectives of watershed management and role of public participation in it.
14
Q.3 What are causes of soil erosion? Discuss in detail on medaling of erosion using
Universal Soil Loss Equation.
14
Q.4 Explain in detail on rainfall pattern in India. Also elaborate on factors affecting
runoff.
14
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SLR-MI-416
Q.5 Write a short notes on following: 14
What are agronomic measures of soil and water conservation?
Which are important considerations under watershed management plan?
Q.6 Answer the following in brief: 14
Discuss general characteristics of watershed?
What are various engineering measures fir soil and water conservation?
Q.7 Write short notes on the following: 14
Gully Plugging
Rainfall Parameters