Agronomy ICAR JRF Test - 18 — Agri Master Mind
Read the following statements and choose the suitable option A. Perennial in nature B. Deep root system C. Erect in habit Which of the above is a characteristic of grass used for soil conservation?
- Only B
- A & B
- A & C
- All of them
Arid soils comes under------ class of land capability classification
- IV
- V
- VII
- VI
If rainfall intensity is more than-----, it is considered as severe
- 5 cm/hr
- 5 mm/hr
- 10 cm/hr
- 10 mm/hr
If the same crop is repeatedly grown in a field:
- Water level in soil will recede
- Nitrogen starvation many result
- Soil will become prone to diseases
- Specific mineral deficiency may arise
When the slope of land is 1-2%, then the ratio of widths of erosion permitting and erosion resisting to be followed is -----
- 1:5
- 1:4
- 4:1
- 1:3
“Zai” a technique of restoring degraded lands belongs to----
- Asia
- Africa
- South America
- Australia
Suspension accounts for the----percent of weight of soil lost by wind erosion
- 50-75
- 5-25
- 3-5
- 20-45
Diameter of most erodible soil particles to wind erosion-----
- >0.1 mm
- <0.01 mm
- > 0.5 mm
- <0.1 mm
Shelter belts reduces the wind speed----times of tree height on windward side
- 5-10
- 10-20
- 25-30
- 20-25
In Which Type of soil erosion, the soil matrix is lostbut remains undetected for long period ??
- Gully erosion
- Stream bank erosion
- Rill erosion
- Sheet erosion
The area affected by wind erosion in India is-----
- 6 mha
- 12 mha
- 33 mha
- 68 mha
If the velocity of flowing water is doubled, then the quantity of material of a given size that can be carried is increased by---
- 4 times
- 64 times
- 5 times
- 32 times
Land degradation problem is high in -----
- Rajasthan
- Maharashtra
- Bihar
- Uttar Pradesh
Read the following statements and choose the suitable option (A). Pastures can be grown in class VII (B.) Sandy beaches and rive wash comes under class VIII
- Both are true
- Both are false
- Only A is true
- Only B is true
Discharge rate of micro sprinkler is …… l/ha
- 225
- 1000
- >2000
- 5
Automated method of surface irrigation system is ….
- A) Surge irrigation
- B) Cablegation
- C) Sub surface irrigation
- D) Corrugation
Pradhan Mantri Krishi Sinchay Yojana (PMKSY) launched on ….
- July 1st , 2015
- October 2nd , 2016
- June 1st ,2016
- February 19th , 2015
If stress occurs after flowering, then the duration of the crop …..
- Decreases
- Increases
- Remains same
- None of these
According to poiseulle law (flow rate), which of the following is true…..
- Clay>loam>sandy
- Sandy>loam>clay
- Loam>clay>sandy
- Sandy>clay>loam
Falling head permeability is suitable for which type of soils
- Fine textured soil type
- coarse textured soil type
- Both A and B
- None of these
International Water Management Institute, which won Stockholm water prize for outstanding achievements in irrigation and water related activities, located at
- Bhubneshwar – Odisha
- Colombo – Srilanka
- Kualampur - Malaysia
- Bondappal – Bhutan
CROPWAT model is used to
- Calculate crop water requirements
- Irrigation Scheduling
- To evaluate farmers irrigation practices
- All the above
Modified USLE for estimating sediment yield was given by
- Chadwick
- Henry & Jhonson
- Williams
- Weischmeir
Term “Crop circles “ associated with
- Bubbler irrigation
- Drip irrigation
- Sprinkler irrigation
- Furrow irrigation
Indian Institute of Water Management located at
- Jalgaon- Maharastra
- Rajendra nagar – Hyderabad
- Bhubneshwar – Odisha
- New Delhi
Concept of Permanent wilting point......
- Veihmeyer and Hendrickson
- Briggs and shantz
- Richards
- None
Water use efficiency of wheat.....
- 9.2
- 9.0
- 12.6
- 8.0
World’s largest lift irrigation project present in ............
- China
- Israel
- Srilanka
- India
Irrigation – Theory and Practices written by
- S.R reddy
- Peter Waller
- A.M. Michael
- M.H Ali
Gradual wetting of dry of a dry soil sample while reducing the suction is termed as..............
- Sorption
- Hysteresis
- Desorption
- None
Crop tolerant to water logging is ….
- Rice
- Sorghum
- Paragrass
- Both A and C
The most critical stage of irrigation in sugarcane
- Germination
- Grand growth
- Arrowing
- Formative stage
Percentage of applied water utilized for metabolic process of crop is …
- < 1%
- 10%
- 5%
- 99%
Which irrigation system gives the highest irrigation efficiency?
- Surface
- Sprinkler
- Sub surface
- Drip
Tensiometer is suitable under which soils
- Clay
- Loam
- Sandy
- Silty loam
USWB class A open pan evaporimeter diameter of ….. cm
- 110
- 25
- 120
- 130
Which method utilizes all meteorological parameters responsible for estimating ET
- Blaney and criddle
- Penman method
- Radiation method
- Pan evaporation method
Jal Jeevan Haryali Yojana launched in which state
- Uttar pradesh
- Jharkhand
- Bihar
- Rajasthan
A soil having 15% moisture by weight basis and bulk density of 1.5cm/m of water on volume basis
- 10
- 32.5
- 25
- 22.5
Creator of water footprint concept is ….
- Namken
- Samuel Ortega
- A.Y Hoekstra
- Patricia Dwyer
Water productivity is highest in
- Rice
- Wheat
- Maize
- Finger millet
Drainage of 1 ha.cm of water in 24 hours is equal to …
- 11.57 litres/sec
- 1.157 litres/sec
- 115.7 litres/sec
- 0.1157 litres/sec
Crop having highest percentage of irrigated area ….
- Wheat
- Sugarcane
- Cotton
- Rice
The ratio between area of crop irrigated and the quantity of water applied to the crop is called ….
- Base period
- Duty of water
- Crop period
- Palco
Severe drought causes the production of …...... hormone in plant
- Auxins
- Ethylene
- ABA
- GA
Soil water potential at ultimate wilting point is …
- -15 bars
- -10000 bars
- -31 bars
- -60 bars
What will be the WUE of wheat if grain yield is 47 q and water consumed is 40 cm?
- 11.75 kg/ha mm
- 11.25kg/ha mm
- 12.75 kg/ha mm
- 1.175 kg/ha mm
Find out the gross amount of water needed to irrigate if net amount of irrigation is 35 cm and irrigation efficiency is 70%
- 25 cm
- 75 cm
- 50 cm
- 55 cm
At field capacity, water in soil present in …......
- Micropores
- Macropores
- Both A and B
- None of these
Fluoride content in excess of ….. ppm in drinking water is harmful
- 1 ppm
- 4 ppm
- 2 ppm
- 3 ppm
pF value of air dry soil is …
- 2.5
- 7
- 4.18
- 6
Which of the following can be removed by normal tillage
- Rills
- Landslides
- Gullies
- Ravines
ICARDA (International Center for Agriculture Research in the Dry Areas) is located at____
- Morocco
- Hyderabad
- Syria
- Lebanon
World Day to Combat Desertification and Drought is celebrated on_____
- June 17
- January 10
- b) August 15
- c) May 27
Dryland farming is done in areas receiving rainfall_____
- Less than 750mm
- more than 1150 mm
- more than 750mm
- None of above
Area under dryland farming in India_____
- 43%
- 67%
- 35%
- 47%
Dryland soils are_____
- a) Hungry
- b) Thirsty
- c) unfertile
- d) both a & b
Northeast monsoon contribution to Indian monsoon______
- 10%
- 75%
- 15%
- 85%
All India Coordinated Research Project for Dryland Agriculture (AICRPDA) started during__
- 1996
- 1984
- 2000
- 1970
A monograph on dry farming in India written by______
- Tamhane
- Kanitkar
- Bana
- None of the above
Which of the following is an erosion resistant crop?
- Sorghum
- Ragi
- Moth bean
- Maize
‘R’ in wind erosion equation represents-----
- Rainfall and runoff factor
- Soil cloddiness factor
- Surface cover factor
- Surface roughness factor
Ravines are commonly found in the-----
- Alluvial soils
- Red soils
- Black soils
- Desert soils
The state having the largest area of gullies and ravines-----
- Rajasthan
- Gujarat
- Uttar Pradesh
- West Bengal
Crop most suitable for desert land----
- Subabul
- Cashew nut
- Date palm
- Poplar
Channelization begins in the------ stage of erosion
- Sheet erosion
- Rill erosion
- Gully erosion
- Ravines
Size of dust particles move through suspension in wind erosion is-----
- < 0.1 mm
- 0.5 cm
- 0.5 mm
- < 0.1 cm
The value of soil cover and management (C) in universal soil equation for bare soil------
- 0.1
- 1.0
- 0.5
- 0.7
Contour trenching can be followed in areas where maximum slope is-----
- 6%
- 33%
- 10%
- 20%
Soil cloddiness factor in wind erosion equation represented by-----
- R
- C
- I
- S
Ratio of donor t recipient area in zing terracing varies from-----
- 5:1 to 8:1
- 2:1 to 8 :1
- 2:1 to 5:1
- 5:1 to 10:1
Which reservoir is having the maximum average annual rate of sedimentation among the following?
- Hirakud
- NizamSagar
- Narmada
- Tungabhadra
Quickest and continuous method of soil moisture estimation …………
- Gravimetric method
- Gypsum sorption plugs
- Neutron moisture meter
- Oven drying method
Submerged orifices are used to measure the water flow in …………
- Large streams
- Small streams
- Channel
- Reservoirs
V notches are used to measure the water flow in …….
- Channels
- Canals
- Reservoirs
- Small streams
Longterm irrigation with high pH water may cause soil pH to ……
- Decrease
- Increase
- No change
- Unknown
Discharge rate of Trapezoidal weir is computed with the formula
- 0.0184LH3/2
- 0.0185 LH 5/2
- 0.0186 LH 3/2
- 0.0186 LH 5/2
Kc value in summer season is …..
- 0.9
- 0.6
- 0.8
- 0.7
Water conveyance efficiency
- Water delivered at the field/ Water delivered from the reservoir x 100
- Water stored in the root zone/ Water delivered at the field x 100
- Water stored in the root zone/ water needed in the root zone x 100
- None of these
National water conference held in …… on 11th February 2020
- Bhuvaneswar
- Newdelhi
- Bhopal
- Rajasthan
…… law states that flow or flux of water is directly proportional to hydraulic gradient
- Pouseuille’s law
- Stokes law
- Ficks law
- Darcy’s law
Sunken screen evaporimeter was developed by ….
- Doorenbos and Kassam
- Jackson
- Doorenbos and Pruit
- Sharma and Dastane
Kc values lower in …..
- Banana
- Citrus
- Grape
- Both B and C
Extraction of sensible heat from warm air flowing above crop and conversion of the heat to the latent heat of evaporation is known as ….
- Clothesline effect
- Hedge rows
- Oasis effect
- Shelterbelts
Lower limit of water availability to plants is ….
- FC
- PWP
- HC
- UWP
Highly alkalinity tolerant grass is ….
- Napier grass
- Rhodes grass
- Coix
- Sewan grass
Water requirement of banana is ……. mm
- 1200-2000
- 500
- 350
- 800
Resistance of Permanent wilting point in gypsum block ranges from …. Ohm
- 400-600
- 50,000-70,000
- 400-700
- 50,000-60,000
Number of river basins in India?
- 20
- 30
- 23
- 28
Units of drainage coefficient …
- m3/hacusec/day
- m3/cusec/day
- m3/ha/day
- m3/ha
Crop WUE=
- Y/ET
- ET/Y
- Y/WR
- Y/PET
WALAMTARI stands to ….
- Water and Land Management Training and Agricultural Research Institute
- Water and Land Management Training Research Institute
- Water and Labour Management Training Research Institute
- Water management and Land Management Training Research Institute
If a herbicide available as 75 WP is to be sprayed at the rate of 1.5 kgha-1 a.i. in 2 hectare. Calculate the commercial product:
- 2.0 Kg
- 4.0 Kg
- 6.0 Kg
- 8.0 Kg
The dwarf varieties of wheat were introduced in India from:
- USA
- Philippines
- Mexico
- Japan
Which one of the following crop contributes the maximum to the production of vegetable oils in country:
- Sesamum
- Soybean
- Coconut
- Groundnut
Which among the following has the highest irrigation efficiency:
- Flooding
- Channel irrigation
- Drip irrigation
- Sprinkler irrigation
WUE of Groundnut ….
- 13.4
- 12.6
- 9.0
- 9.2
Broad bed furrows widely practiced in which crop
- Sorghum
- Wheat
- Maize
- Groundnut
Dielectric constant of water is ….
- 1
- 80
- 4
- 5
Water converts in to gaseous form by absorbing …… calories of heat per g of water
- 580
- 680
- 540
- 90
Maximum number of fruit plants can be planted in the orchard by the system :
- Triangular system
- Hexagonal system
- Rectangular system
- Square system
Which of the following is the fruit vegetable :
- Potato
- Sweet potato
- Tomato
- Spinach
Which one of the following is not a physical factor affecting the type of farming :
- Topography
- Climate
- Labour supply
- Soil
Which of the following is not a method of group communication :
- Conference
- National Demonstration
- Farm & Home visits
- Field trips
Late blight of potato is caused by :
- Phytopthora infestans
- Sclerospora graminis
- Alternaria solanii
- Coletotrichum falcatum
Root knot disease of brinjal is caused by :
- Fungi
- Bacteria
- Nematodes
- Viruses
Movement of water molecular from a solution with their higher concentration towards their lower concentration solution through a semi-permeable membrane is known as :
- Diffusion
- Osmosis
- Imbibition
- Transpiration
Which one of the following plants is an example of incomplete dominance :
- Pisum sativum
- Lathyrus odoratus
- Raphanus sativus
- Mirabillis jalapa
Soil particle size of silt soil ranges between :
- 2.0 mm to 0.2 mm
- 0.2 mm to 0.02 mm
- 0.02 mm to 0.002 mm
- 0.002 mm to 0.0002 mm
pH of saline soils is :
- 8.5
- 9.5
- 10.5
- 11.5
The full form of IVLP is :
- Institution village livestock project
- International value linked price
- Institutional village livelihood development plan
- Institution village linkage program
Which one of following is a training institute :
- ATMA
- KVK
- DRDA
- ATIC
Foot and Mouth disease is caused by :
- Fungal
- Bacterial
- Viral
- Parasitic
The inflammation of udder is known as :
- Metritis
- Mastitis
- Ootitis
- Gastritis
Milk production potential of good breed of 'Gir' cattle is ----- litre :
- 1000 – 2000
- 2000 – 2500
- 2500 – 4500
- 5000 – 8000
Best time for doing A-I, after the start of heat in cow is :
- After 8 – 10 hrs.
- After 12 – 18 hrs.
- After 24 – 30 hrs.
- After 30 – 36 hrs.
'Silage making' is a method of :
- Preservation of fodder in green stage :
- Preservation of pulse crops
- Preservation of oil cakes
- Preservation of cereals
'Pica' disease is caused by deficiency of :
- Vitamin
- Minerals
- Protein
- Crude fibre
Osteoporosis disease is associated with :
- Ca
- p
- Mg
- Sulphur
'Grass Titeny' disease is caused by :
- Deficiency of Mg
- Deficiency of Sulphur
- Excess of Ca
- Excess of curde fibre