26.-------------is a rare constituent of atomspheric
precipitation.
A.NH-3
B.NO-2
C.NO-3
D.NO-2 and organically bound nitrogen
Ans:D
27.Accepted tolerable limit of annual soil loss is
A.16-20 Mg/ha
B.12-16 Mg/ha
C.4-12 Mg/ha
D.20-25 Mg/ha
Ans:C
28.The most easily eroded soil particles are having
size in the range of
A.0.01 mm to 0.05 mm
B.0.10 mm to 0.20 mm
C.0.05 mm to 0.10 mm
D.0.10 mm to 0.50 mm
Ans:D
29.---------form of sulfur is predominant in humid
region surface soil.
A.Mineral
B.Inorganic
C.Organic
D.All the above
Ans:C
30.Reclamation of sodic soils is usually done by
A.Gypsum application
B.Leaching with water
C.Sulfur application
D.Gypsum application and leaching with water
Ans:D
31.An index which is widely used to represent
quantum of aggregates
A.>1.0 mm
B.1.0 mm
C.0.5 mm
D.>0.25 mm
Ans:D
32.’SO-4^{2-}’ adsorption is restricted to
A.Acidic soils
B.Alkaline soils
C.Neutral soils
D.Neutral to alkaline soils
Ans:A
33.Azotobacter chroococcum is found in
A.Near neutral soil condition
B.Alkaline soil condition
C.Acidic soil condition
D.Near neutral and slightly alkaline condition
Ans:D
34.The deficiency range of hot water extractable
boron is
A.<0.5 mg/kg
B.<1.0 mg/kg
C.<0.1 mg/kg
D.<2.0 mg/kg
Ans:A
35.Safe limit of nitrate in drinking water is
A.10 mg/L
B.45 mg/L
C.20 mg/L
D.5 mg/L
Ans:A
36.---------is a nitrification inhibitor.
A.Isibutylidene diurea
B.Neem cake
C.Urea form
D.All the above
Ans:B
37.The first objective of watershed management is
A.Enhancement of agricultural productivity
B.Improvement of water yields
C.Conservation of natural resources
D.Rehabilitation of natural resources
Ans:D
38.--------are an important part of”Ela”system.
A.Arable lands
B.Non arable lands
C.Village streams
D.Grazing lands
Ans:C
39.Mini watershed has an area of ----------square
kilometer.
A.1-10
B.10-100
C.<1.0
D.100-200
Ans:B
40.Rainfall in excess of --------------is always
causing runoff.
A.>50.0 mm/day
B.>12.5 mm/day
C.>10.0 mm/day
D.>25.0 mm/day
Ans:A
41.Soil surveys began in the year
A.1869
B.1899
C.1929
D.1935
Ans:B
42.The name “Ustochrept”is used to identify a
A.Suborder
B.Great group
C.Subgroup
D.None of the above
Ans:B
43.Regur formation is dominant in
A.Laterite soil
B.Podzols
C.Saline soils
D.Black cotton soil
Ans:D
44.In soils,cohesion is due to
A.Vander Waal’s forces
B.Electrostatic attraction
C.Cationic bridge
D.All the above
Ans:D
45.The general range of organic matter content of
mineral soils is
A.0.5-1.5%
B.2.0-5.0%
C.1.0-20.0%
D.1.0-10.0%
Ans:D
46.Erosivity index was developed by
A.Wischmeir
B.Wischmeir and Smith
C.Smith
D.Kohnke and Bertrand
Ans:A
47.In the Universal soil loss equation,factors that
are amenable to manipulation are
A.R and K
B.L and S
C.C and P
D.All the above
Ans:C
48.The first earth resource technology satellite is
A.IRS-IA
B.IRS-IB
C.IRS-IC
D.ERST-I
Ans:D
49.The number of phases to be completed in planning
and execution of watershed management programme.
A.4
B.3
C.5
D.6
Ans:B
50.The year of start of NWDPRA is
A.1987
B.1988
C.1986
D.1989
Ans:C
51.The USLE model applies to
A.Sheet and Rill erosion
B.Gully or stream bank erosion
C.Soil loss from watersheds
D.Soil loss from individual storms
Ans:A
52.The USLE model applies to
A.Sheet and Rill erosion
B.Gully or stream bank erosion
C.Soil loss from watersheds
D.Soil loss from individual storms
Ans:A
53.The speed corresponding to the energy needed for
runoff to detach soil particles is
A.>10 cm/s
B.>25 cm/s
C.>30 cm/s
D.>40 cm/s
Ans:B
54.Crops suited for cultivation in land with gentle
slopes
A.Close growing crops
B.Any type of crop
C.Tree crops
D.Semi perennials
Ans:A
55.---------ha
is taken as a unit for planning water shed development programme at the
village level.
A.500 ha
B.1-50 ha
C.50-100 ha
D.500-1000 ha
Ans:A
56.Classification scheme proposed by Vames(1978)is
used to classify
A.Landslides
B.Gullies
C.Sheet erosion
D.Fluvial erosion
Ans:A
57.National Rainfed Area Authority was set up
Govt.of India in the year
A.2005
B.2006
C.2007
D.2008
Ans:B
58.The extent of vegetation cover required to
prevent splash erosion is
A.50
B.55
C.60
D.70
Ans:D
59.When the degree of slope doubles,the amount of
erosion per unit are increases by
A.1
B.2
C.2.5
D.4
Ans:C
60.Which one of the following compounds contains
highest of ‘”P-20-5”
A.Triple superphosphate
B.Single superphosphate
C.Enriched superphosphate
D.Superphosphoric acid
Ans:D
61.The ratio of total area cropped in a year to the
land area available for cultivation and expressed in percentage is the
-------------
A.Cultivated land utilization index
B.Multiple cropping index
C.Crop intensity index
D.Relative cropping intensity index
Ans:B
62.The deep clay to clay loam soils developed in the
semi acid areas of Deccan plateau are known as-----------
A.Alfisols
B.Vertisols
C.Inceptisols
D.Entisols
Ans:B
63.1 bar=------------cm of water
column(approximately)
A.100 mm
B.75 cm
C.100 cm
D.1000 cm
Ans:D
64.Conservation tillage system are methods of soil
tillage which leave at least --------percent of the crop residueon the soil
surface.
A.5
B.10
C.20
D.30
Ans:D
65.The seed rate to be adopted for a crop depends on
the plant spacing,test weight and ----------
A.Size of seed
B.Area to be planted
C.Yield potential
D.Germination percentage
Ans:D
66.Hyper acid zones are those having an aridity index of ----------
A.<0.03
B.0.03 to 0.10
C.0.03 to <0.20
D.0.20 to 0.50
Ans:A
67.In India,-------------percent of total annual
rainfall is received during the South West monsoon season
A.75
B.65
C.50
D.40
Ans:A
68.Among the following,-------------is not an
implement for secondary tillage.
A.Cultivator
B.Disc plough
C.Harrow
D.Plank and roller
Ans:B
69.A cropping system in which crop intensification
occurs only in time dimension is-----------
A.Multi tier cropping
B.Sequential cropping
C.Relay cropping
D.Mixed cropping
Ans:B
70.The ‘stress hormone’which imparts drought
tolerance to plant is----------
A.IAA
B.ABA
C.GA
D.Cytokinin
Ans:B
71.Underground layer of porous rocks or soils
saturated with water from above which yield significant amounts of water are
called-----------
A.Aquicludes
B.Aquifers
C.Aquitards
D.Water tables
Ans:B
72.-------------is defined as the physical condition
of the soil in relation to crop growth.
A.Mellowness
B.Friability
C.Tilth
D.Aggregation
Ans:C
73.Growing of two or more crops simultaneously on
the same piece of land with a definite row pattern is known as----------
A.Intercropping
B.Multiple cropping
C.Relay cropping
D.Polyculture
Ans:A
74.The Central Soil and Water Conservation Research
and Training Institute is located
at---------
A.Dehradun
B.Pantnagar
C.Lucknow
D.Hyderabad
Ans:A
75.-----------law states that the flow of water
through a unit cross section of soil is proportional to the gradient of hydraulic
head.
A.Beer’s
B.Bernouli’s
C.Liebig’s
D.Darcy’s
Ans:D
76.--------is a herbicide used for weed control in
zero tillage.
A.2,4-D
B.Oxyfluorfen
C.Glyphosate
D.Cyhalofop butyl
Ans:C
77.Overall biological advantage of intercropping is
indicated when the LER is----------
A.1
B.<1
C.>1
D.0
Ans:C
78.Climatic clarification based on moisture
index,seasonal variation in rainfall,humidity index and aridity index was
proposed by-----------
A.Koppen
B.Troll
C.Gaussen
D.Thornthwaite and Mather
Ans:D
79.The upper limit of available moisture for plants
is given by the soil moisture constant,--------
A.Maximum water holding capacity
B.Field capacity
C.Permanent wilting point
D.Hygroscopic co-efficient
Ans:B
80.The main objective of stubble mulch tillage
is------
A.Weed control
B.Improved soil aeration
C.Reduced evaporation
D.Soil and water conservation
Ans:D
81.Competition between associated crops in mixed
crop communities has been discussed in depth by--------
A.Beer
B.Donald
C.De wit
D.Willey
Ans:D
82.Dryland farming is the cultivation of crops in regions with annual
precipitaion of -------
A.<1500 mm
B.<750 mm
C.>750 mm
D.>1500 mm
Ans:C
83.The moisture index of a humid(B3)region falls in
the range of----------
A.100 and above
B.80 to 100
C.60 to 80
D.40 to 60
Ans:C
84.------------is considered the Father of Tillage.
A.Pietro de Cresenzi
B.Jethro Tull
C.Justus Von Liebig
D.Boussinghault
Ans:B
85.If the yields of groundnut and red gram grown as
pure crops are 1200 and 1000 kg/ha respectively,and their yields as intercrops
are 1000 and 600 kg/ha respectively,the land equivalent ratio of groundnut+red
gram intercropping system is---------
A.2.8
B.1.43
C.1.5
D.1.8
Ans:B
86.Nicra programme launched by ICAR during the XI
plan period focuses on----------
A.Climate Resilient Agriculture
B.Crop Resurrection Agriculture
C.Continuous Rainfed Agriculture
D.Conservation and Restoration Agriculture
Ans:A
87.Crop coefficient is the ratio between--------
A.Etc and Eto
B.PET and Eto
C.PET and Etc
D.PE and PET
Ans:A
88.A gradient of --------degrees is the limit of operating efficiency for
machines working on slopes.
A.6-8
B.8-10
C.10-12
D.12-14
Ans:D
89.An example for a Sloping Agricultural Land
Technology(SALT)is----------
A.Jhum
B.Taungya
C.Modan
D.Diara
Ans:B
90.-----------is an example of a reflectant type
anti transparent.
A.Phenyl mercuric acetate
B.Mobi-leaf
C.Ascorbic acid
D.Kaoline
Ans:D
91.The method of irrigation adopted for widely
spaced plants like coconut palms is----------
A.Ring basin method
B.Furrow method
C.Check basin method
D.Border irrigation
Ans:A
92.Which of the following is not used as a cover
crop for soil and water conservation?
A.Mikania
B.Calopo
C.Centro
D.Mucuna
Ans:A
93.The Farming Systems Research Station under the Kerala Agricultural
University is located at----------
A.Thiruvalla
B.Balaramapuram
C.Kottarakkara
D.Kumarakom
Ans:C
94.Vertical mulching is a practice commonly followed
to improve infiltration and storage of rain water in---------soils.
A.Red
B.Alluvial
C.Laterite
D.Black
Ans:D
95.In general,bulk density of soil ranges
from----------g/’text(cm)^3’.
A.2 to 3
B.0.5 to 0.75
C.1 to 1.5
D.5 to 7.5
Ans:C
96.Tillage operations carried out in the standing
crop are together called------
A.Secondary tillage
B.Earthing up
C.After cultivation
D.Inter cultivation
Ans:C
97.A practice in multiple cropping system which
helps to control problematic weeds and pests is------
A.Strip cropping
B.Relay cropping
C.Crop rotation
D.Multi-tier cropping
Ans:C
98.The land configuration recommended by ICRISAT for
medium to deep black soils receiving 700-1300 mm rainfall and up to a maximum
of 5 percent slope is----------
A.Dead furrows
B.Catch pits
C.Broad beds and furrows
D.Tied ridges
Ans:C
99.The amount of water required for each irrigation
for scheduling irrigation at IW/CPE ratio of 0.5 with 10 cm of CPE is-------
A.0.05 cm
B.5 cm
C.20 cm
D.10.5 cm
Ans:B
100.The process of deep ploughing done to break open
hard pans is known as----------
A.Sub soiling
B.Basin listing
C.Discing
D.Scooping
Ans:A
Progress is impossible without change,and those who cannot change their minds cannot change anything-George Bernard Show.
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