WorksheetsHydrology
Total questions: 36
Worksheet time: 18mins
Name
Class
Date
1.
The smallest division on the graduated jar of the Symon's rain gauge is
a)
0.1 mm
b)
0.2 mm
c)
0.8 mm
d)
0.5 mm
2.
When does hydrograph called as unit hydrograph?
a)
1 cm of runoff from rainfall
b)
3 cm of runoff from rainfall
c)
1 mm of runoff from rainfall
d)
3 mm of runoff from rainfall
3.
Rainfall cycle period in India is taken as :
a)
35 years
b)
20 years
c)
15 years
d)
25 years
4.
The rainfall at any place is described by
a)
Its intensity
b)
Its duration
c)
Its frequency
d)
All of these
5.
In nature water may occur as
a)
Liquid
b)
Solid
c)
Vapours
d)
All of these
6.
The area from which rainfall flown into a drainage line, out fall or reservoir etc :
a)
Rainfall
b)
Runoff
c)
Catchment area
d)
Drains
7.
Expand "ERH" -
a)
Effective run of hyetograph
b)
Effective rainfall hyetograph
c)
Effective region hyetograph
d)
Effective reservoir hyetograph
8.
The evaporation from plants and surrounding soil together is called :
a)
vaporisation
b)
Hydration
c)
Evapotranspiration
d)
Transpiration
9.
For tributaries of same size greater runoff occurs on
a)
Fan shape
b)
Fern shape
c)
Circular shape
d)
Radian shape
10.
Which catchment area run off will be more?
a)
Fan shaped
b)
Tree shaped
c)
Fern shaped
d)
Circular
11.
With reference to hydro power station, the graphical representation of discharge and time is
a)
hyetograph
b)
load duration curve
c)
load curve
d)
hydrograph
12.
The science which deals with the occurrence, distribution and movement of water on the earth, below earth surface and in the atmosphere is :
a)
Irrigation
b)
Hydrology
c)
Geology
d)
Archaeology
13.
A graph showing variations of discharge with time at a particular point of a natural stream or river
a)
Hyetograph
b)
Hydrograph
c)
Hydrology
d)
None of the above
14.
The science which deals with the measurement of water is called :
a)
Hydrometry
b)
Hydrography
c)
Hydrosphere
d)
Hydraulics
15.
The graphical representation of rainfall and time
a)
Hydrograph
b)
Hyetograph
c)
Infiltration index
d)
Topographic
16.
The graphical representation of average rainfall and rainfall excess rates over a specified area during successive unit time intervals during a storm is called :
a)
Seismograph
b)
Pantograph
c)
Hyetograph
d)
Mass curve
17.
The line joining points on a map where the amount of precipitation recorded in a given period, is the same is called :
a)
Isohyet
b)
Contour
c)
Isobars
d)
Isopid
18.
A line on a rainfall map joining places having same average annual rainfall called :
a)
Hydrograph
b)
Isogonic's lines
c)
Isohyet
d)
None of these
19.
What is the unit for measuring rainfall ?
a)
Milimeter
b)
Centimeter
c)
Feet
d)
No unit
20.
The primary source of all water supply is __________
a)
Percolation
b)
Precipitation
c)
Transpiration
d)
Evaporation
21.
The fall of moisture from the atmosphere to the earth surface in any form is called
a)
Evaporation
b)
Transpiration
c)
Precipitation
d)
None of these
22.
Rainfall is measured by
a)
Water meter
b)
Current meter
c)
Rain gauge
d)
Screw gauge
23.
Hyetograph is graphical representation of :
a)
Rainfall intensity and time
b)
Rainfall depth and time
c)
Discharge and time
d)
Cumulative rainfall and time
24.
The water obtained from __________ is generally known as under ground water
a)
Infiltration galleries
b)
Spring
c)
Rivers
d)
Lake
25.
__________ is an example for subsurface source.
a)
Stream
b)
Spring
c)
River
d)
All of these
26.
Precipitation includes all of the following except
a)
Snow melt
b)
Frost
c)
Mist and fog
d)
Stream flow
27.
The most common type of non-automatic rain gauge is known as :
a)
Weighing bucket type
b)
Tipping bucket type
c)
Syphon type
d)
Symon’s rain gauge
28.
The process of loosing water from the leaves of plants is termed as
a)
Surface evaporation
b)
Water surface evaporation
c)
Transpiration
d)
Precipitation
29.
Evaporation losses depends on
a)
Area of water surface
b)
Nature of precipitation
c)
Humidity of wind
d)
All of these
30.
Impermeable formation like clay which contain water but not capable of transmitting water :
a)
Aquifuge
b)
Aquifer
c)
Aquiclude
d)
Ground water
31.
The water bearing layer of soil is known as
a)
Aquiclude
b)
Aquifer
c)
Surface
d)
Capillaries
32.
The geological formation that contain sufficient permeable materials or unconsolidated materials such as sand and gravel
a)
Catchment area
b)
Peak flow
c)
Aquifer
d)
None of the above
33.
It is an impermeable formation which neither contains nor transmits any water
a)
Aquifer
b)
Aquiclude
c)
Aquifuge
d)
Aqueduct
34.
The ground water contribution to the stream is known as
a)
Base flow
b)
Overflow
c)
Stream flow
d)
None of these
35.
Aquifer is a geological formation which :
a)
Does not contain water
b)
Contains water but does not transmit
c)
Contain water and also transmits
d)
Is an out crop oozing out water
36.
The total quantity of water draining into a reservoir during a period is called :
a)
Run off
b)
Evaporation
c)
Percolation
d)
Discharge
100 %
