Agronomy ICAR JRF Test - 1 — Agri Master Mind
SAMARTH was launched by which ministry
- Ministry of Jal sakti
- Ministry of textile
- Ministry of power 2021
- Ministry of agriculture and farmer well fare
SAMARATH full form
- Sustainable agrarian mission on use of agro reused in thermal power plant
- Sustainable agrarian mission on use of agro residue in thermal power plant
- Sustainable agrarian mission on use of agro residue in thermal power plant
- Sustainable agrarian mission on use of agro residue in thermal pollution plant
Fiji virus transmitted by
- Brown plant hopper
- Grass hopper
- White backed plant hopper
- Aphid
Fiji virus disease infected which crop
- Sugarcane
- Wheat
- Rice
- Maize
One nation One fertilizer related to
- PMBJUP
- PMFBY
- PMKSY
- PMJUP
Size of nano particle is
- 70-80 nm
- 80-90nm
- 20-50nm
- 100-120nm
Price stabilized scheme was launched in the year
- 2014-15
- 2015-16
- 2011-12
- 2-18-19
PM KISAN scheme was launched in the year
- 2017
- 2018
- 2019
- 2020
In PM KISAN scheme farmer family receive
- 8000 /-per year
- 10000/-per year
- 6000/-per year
- 12000/-per year
Modified interest subvention scheme gives farmer loan upto
- 5 lakh
- 8 lakh
- 3 lakh
- 10 lakh
PM PRANAM has been designed to
- To reduce the use of water
- To reduce the use of pesticide
- To reduce the use of chemical fertilizer
- To reduce the use of weedicide
Which is true about kritagaya 3.0
- Kri for krishi
- Ta for taknik
- Gya for gyan
- All of the above
Unique hand parcel identification number contain digit
- 16 digit
- 18 digit
- 14 digit
- 12 digit
Direct seeded rice technique benefit are
- Saving on irrigation water by 12 to 35 percent
- Quicker maturation of crops
- Reducing the cost of cultivation
- All of the above
Agriculture census is done every year
- 10 year
- 15 year
- 5 year
- 7 year
Pradhan mantri fasal bima yojanalaunched in the year
- 2015
- 2018
- 2016
- 2020
Rythu bharosa kendra introduced in which state of India
- Andra pradesh
- Tamil nadu
- U.P
- M.P
Seed treaty facilities the exchange
- 64 crusial crop
- 76 crusial crop
- 54 crusial crop
- 70 crusial crop
The protection of plant varieties and farmer right act was launched in
- 2002
- 2003
- 2001
- 2005
Lumpy skin diesase
- Adenovirus
- Retro virus
- Neethling virus
- Hepatitis c virus
Under unsaturated conditions, pressure potential is ….
- +ve
- -ve
- 0
- Remains same
Detector used in neutron moisture meter is …
- Boron triflouride
- Cesium
- Beryllium
- Americium
In Alcohol burning method, ….. ml of alcohol required for estimating field capacity
- 0.5
- 1
- 1.5
- 2
Which of the following is indirect method of soil moisture measurement?
- Oven drying
- Gypsum sorption plugs
- Pressure membrane apparatus
- Infrared balance
Hygroscopic water is also known as …..
- Water of cohesion
- Available water
- Water of adhesion
- Water of condensation
Specific surface area of fine sand is ….. m2/g
- 0.1
- 1
- 10
- 100
Soil structure mostly suitable for agriculture purpose ….
- Platy
- Prismatic
- Blocky
- Crumble
Which of the following relation is true
- PD>BD
- BD>PD
- BD=PD
- None of these
TDR means…
- Time Domain refractrometer
- Time Domain reflectrometery
- Time Domaint reflectrometery
- Time Domainte reflectrometer
The quantity of water necessary for a plant to produce one kg of drymatter is called …
- Transpiration ratio
- Water productivity
- Transpiration coefficient
- Transpiration index
A device used for measuring permeability is ….
- Permeameter
- Potometer
- Piezometer
- Porometer
Downward movement of water through the soil is called…
- Infiltration
- Percolation
- Water interflow
- Seepage
Construction of irrigation project to serve more than one objective is called ….
- Single purpose irrigation project
- Productive irrigation project
- Multipurpose irrigation project
- Protective irrigation project
India’s largest and world’s second largest micro irrigation company was ….
- Netafim irrigation services and solutions limted
- Hydropoint systems ltd
- Jain irrigation systems limited
- RM drip and sprinkler private limited
Which of the following device used for measuring percolation and leaching losses from the soil column is ….
- Lysimeter
- Hydrometer
- Pyranometer
- Double ring Infiltrometer
Amount and time of application of irrigation according to crop need and water availability is called ……
- Scheduling of Irrigation
- Oppurtunity time
- Irrigation design
- Irrigation
Mid day depression occurs under ….. conditions
- High RH, Low temperature
- High RH, High temperature
- Low RH, Low temperature
- Low RH, High temperature
Water saturation deficit=……........ (Turgid weight-TW, fresh weight- FW, dry weight- DW)
- TW-FW/TW-DW
- TW-DW/TW-FW
- TW+FW/TW-DW
- W+FW/TW+DW
National water policy was adopted in the year …
- 1991
- 1901
- 1981
- 1985
If plant water potential drops by -12 to -15bars water stress will be ….
- Mild
- Moderate
- Severe
- No Stress
Amount of water that the soil contains when brought to equilibrium with air at one standard at 98% RH at the room temperature is called ……
- Hygroscopic coefficient
- Crop coefficient
- Runoff coefficient
- Pan coefficient
Scientists suggested weighing and non weighing type of lysimeters in 1958 are ….
- Briggs and Mc clane
- Richard and waldeigh
- Slayter and Taylor
- Harrold and Dreibelbis
Relation between ET and Yield in cereals is…
- Linear
- Quadratic
- Exponential
- Parabolic
Which of the following chemical used to control algae and bacterial slimes in drip system.....?
- Bleaching powder
- Sulphuric acid
- Sodium hypochlorite
- HCl
Typhoon system of irrigation is suitable to which crop?
- Sorghum
- Sugarcane
- Cotton
- Tobacco
Reversing the diversion of water flow through the filter and bypassing the effluent in drip is called ……
- Flushing
- Back flushing
- Forward flushing
- Cleaning
Point source systems are used for …..... crops
- Wheat
- Rice
- Lentil
- Sugarcane
Irrigation systems not suitable under hot dry winds, shallow soils is …
- Drip
- Sprinkler
- Check basin
- Border
Symcha Blase developed first patented irrigation system in …..
- 1959
- 1961
- 1940
- 1964
LEPA system modification of
- Sprinkler
- Drip
- Bubbler
- Wild Flooding
CROPWAT model was developed by
- IIWM
- ICRISAT
- FAO
- IIFSR
Calculate the amount of water for each irrigation for scheduling irrigation at 0.5 IW/CPE ratio with 10cm of CPE.
- 50 mm
- 2.5 mm
- 25 mm
- 5 mm
Irrigation requirement (IR)=
- WR+(ER+S)
- WR/(ER+S)
- WR-(ER-S)
- WR-(ER+S)
50% of rainfall is considered as Effective Rainfall in which region?
- Arid
- Humid
- Semi arid
- Both A and B
Rate of evapotranspiration of an 8 to 15cm tall green cover actively growing and not short of water is called ….
- Potential evapotranspiration
- Evapotranspiration
- Reference evapotranspiration
- Transpiration
Wet weight of a soil sample is 160 g and dry weight of sample is 30g, calculate moisture content of soil sample?
- 63.33%
- 81.25%
- 53.33%
- 43.33%
Accurate method for estimation of reference evapotranspiration is ….
- Thronthwaite method
- Modified blaney criddle method
- Radiation method
- Modified penman method
As water converts to ice the volume increases to about …. %
- A) 7
- B) 8
- C) 9
- D) 10
Thermal conductivity maximum for
- Sandy
- Peat
- Clay
- Loam
Specific heat of organic matter is ……. Cal/g/0C
- 0.46
- 0.18
- 0.22
- 0.5
Particle density can be measured by ……
- Drosometer
- Ceilometer
- Pycnometer
- Osmometer
Plants tolerant to drought in cold areas are called …..
- Psychro-Xerophytes
- Xerophytes
- Halo-Psychrophytes
- Psychro-osmophytes
A system approach based on whole land use planning
- Weed eradication
- Weed control
- Weed prevention
- None
A herbicide requiring good spray coverage of all foliage for effective control of a weed population
- Paraquat
- Glyphosate
- Atrazine
- Isoproturon
A weed accumulate over 550 ppm of Zn in its dry matter
- Digitaria
- Setaria lutescens
- Portulaca
- Chenopodium
A period in the ontogeny of crop at which maximum crop weed competition occurs is called
- Economic threshold
- Gain threshold
- Competitive threshold
- None
A non-competitive crop requiring weed free period of three or more months
- Maize
- Rice
- Soybean
- Onion
Selectivity achieved due to changes in functional group is called
- Physical
- Biological
- Chemical
- Chronological
Herbicide antidote interactions are
- Synergistic
- Antagonistic
- Enhancement
- None of these
Through wetting of all foliage is unnecessary with which of the following
- Glyphosate
- Paraquat
- Diquat
- None of these
Application of organophosphorus group of pesticides along with which herbicides cause injury to crops
- Triazines
- Ureas
- Both
- None
The term, allelopathy came into existence in
- 1937 AD
- 500 BC
- 1974 AD
- 1832 AD
Epinasty of cotton is used to measure qualitative assay of
- Atrazine
- 2,4-D
- Diuron
- Alachlor
In india herbicides are registered under which of the following Act
- Herbicide Registration Act
- Insecticide Act, 1968
- Environment Policy, 2005
- Indian Agrochemicals Registration
A test method using organism to determine the presence of herbicide effect is
- Cucumber
- Sorghum
- Oat
- All
RMO-40 is a variety of:
- Cowpea
- Kidney bean
- Mothean
- Moongbean
Cowpea grown for grain purpose should be seeded at ------------- kg ha-1:
- 10-15
- 20-25
- 15-20
- 25-30
Which one of the following is an inorganic mulch:
- Straw residue
- Saw dust
- Paper
- Crop residue
Safflower is grown during ----------- season :
- Rabi
- Kharif
- Both rabi and kharif
- Zaid
The seed rate (Kg ha-1 ) of wheat under irrigated condition will be:
- 75
- 100
- 125
- 150
Phalaris minor, a weed is associated with which crop:
- Wheat
- Rice
- Sugarcane
- Pulses
The term Agriculture is derived from ----- words:
- Latin
- Greek
- French
- Russian
Who was pioneer in developing the concept of relay cropping:
- Dr Rajendra Prasad
- Dr Sher Singh Bains
- Dr Rajat De
- Dr Mukhtyar Singh
In gully erosion, the practice of gully plugging reduces erosion by :
- Slowing down the velocity of running water
- Spread of water in larger area
- Increasing percolation of water
- All of the Above
The nut grass (Cyperus sp) is propagated by :
- Tubers
- Rhizomes
- Offsets
- None of the above
Pusa bold is a variety of:
- Lentil
- Mustard
- Rice
- Wheat
Statement I –Among cereals the digestibility of rice protein is highest Statement II – Rice is a plant of Asian origin
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I – There are five recognized geographical races of oryza sativa Statement II – Beushening is practiced in direct seeded upland rice.
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I – Cropping system represents cropping pattern used on a farm and their interaction with farm resources, farm enterprises and available technology. Statement II – In mixed cropping there is a definite row pattern
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I –RBD is suitable if the fertility gradient runs in two directions. Statement II – The number of row and colums in latin square design are unequal
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I – The leaves of Brassica juncea is sessile Statement II – The leaves of Brassica campestris are stalked
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I – A herbicides moves faster in young plants than in old ones Statement II – A narrow spectrum herbicides controls large number of weed spp.
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I – Most of the weeds are C4 Statement II – The viscosity of invert emulsion decreases with increasing proportions of water.
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I –Phenoxy herbicides have growth promoting activities at lower doses Statement II – Phenoxy herbicides affect mainly nucleic acid and protein synthesis process of plant
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I –Zn deficiency is most prevalent in calcareous soil due to a) Increase in pH decreases Zn availability b) Zn is directly sorbed on carbonates c) Calcium carbonate can form insoluble calcium zincate Statement II – Lack of moisture leads to Zn deficiency in soil and plants. Thus, more Zn deficiency is reported in aerobic rice systems.
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I –Thiourea (3.0-9.5 %) breaks dormancy of both light- and chill-requiring seeds. Statement II – Dormancy in potato tuber can be overcome by 9.5 % thiourea treatment.
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I –Weed distribution usually fall in 60 different botanical families, but nearly 70% of the weeds occur in 19 families Statement II – Approximately71 % of the world’s worst weeds occur in 8 families and over 50 % of these species are found in only 2 families, PoaceaeandAsteraceae.
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I –Primary dormancy is the failure of fresh seed to germinate even under favourable weather condition. Statement II – Primary dormancy includes conditions that exist within the seed to prevent germination when the seed matures on the mother plants and immediately afterwards.
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I –If a basic cloud form occurs above its normal height of 1950m, then the cloud will be thin and the word ‘alto’ should be prefixed to its form. Statement II – Cirro-stratus clouds are often arranged in bands or fused into wavesor ripples resembling those of sand on sea shore.
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I –South east trade winds start from south of equator, while traveling over Indian ocean they absorb large amounts of moisture and while crossing equator they are caught up suddenly in the air circulation over India and deflected as south-west winds. Statement II – Due to high pressure in upper layers of equator air moves towards south or north in the upper layers. These winds are called antitrade winds.
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I –The radical trapping antioxidant values are in the order of sunflower >olive> groundnut >corn. Statement II – The highest radical trapping antioxidant value in sunflower is due to very high amount of alphatocopherol.
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I - Quality protein maize (QPM) is a high-lysine, high tryptophan variety. Statement II – Lysine content of Quality protein maize is 3.7 to 4.2 g/100 g protein compared to 2.6 to 3.1 g/100 g protein in normal maize, but lower than the FAO recommendation of 5.0 g/100g protein.
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Statement I –Sunflower oil cake contains 60-64 % high quality protein. Statement II – Sunflower oil is a rich source (64%) of linoleic acid which helps in washing out cholesterol deposition in the coronary arteries of the heart and thus it is good for heart patient .
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true and Statement II is false
- Statement I is false and Statement II is true
Assertion- Ozone concentration of the atmosphere is declining at nearly 0.5% per year Reason - it is due to release of chlorofluorocarbons, nitrogen oxide and methane.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true and Reason is NOT the correct explanation of Assertion
- Assertion is true but reason is false
- Both Assertion and Reason are False
Which bacterial growth is inhibited by the nitrification inhibitors to keep or retain the nitrogen in the NH4+ or ammonical form
- Nitrosomonas
- Nitrobacter
- Nitrococcus
- Pseudomonas
The activities of most of the nitrogen fixing organisms is inhibited due to the application of
- Nitrogenous fertilizer
- Phosphatic fertilizer
- Organic manure
- Potassic fertilizer
In leguminous crops, Rhizobium enters root hair dissolving cell wall by
- Cellulase
- Lignolytic enzyme
- Chitinase
- Pectinase
The actual seat of nitrogen fixation in symbiotic systems is
- Nodules surface
- Cytochrome
- Membrane envelop
- Bacteroids
Porosity and bulk density are related as
- Increase in bulk density means porosity increases
- Decrease in bulk density means porosity increases
- Decrease in bulk density means porosity decreases
- Increase in bulk density means porosity decreases
Rise in water through capillary action from ground water table is
- Capillary movement
- Evaporation
- Capillary fringe
- Vadose zone
Capillary fringe is mainly dependent upon
- Soil texture
- Pore size distribution
- Soil structure
- Depth of ground water table
There are number of fundamental assumptions upon which the validity of stokes law is based. Which one of the assumption given below is not correct?
- The particles must be large in comparison to liquid molecules.
- Particles must not be rigid and smooth
- The velocity of the fall must not exceed a certain critical value so that the viscosity of the liquid remains the only resistance to the fall of the particles
- There must be no slipping between the particle and the liquid
Bray has modified the Mitscherlich’s equation to
- G = f(x1,x2,x3…….xn)
- log (A- y) = log A – C1 b – cx
- dy/dx = (A – y ) C
- Y = A (1-10 – cx)
Which of the following is correct relative order of anion exchange capacity?
- OH- >SO42->NO3->H2PO4
- SO42->NO3->H3PO4->OH
- OH ->H2PO4->SO42->NO3-
- SO42-> H2PO4->NO3->CH-
Mineral soils consist of inorganic or mineral materials, organic matter, water and air. The volume composition of sub soils differs somewhat from that of top soils. Sub soils are
- Lower in organic matter content, lower in total pore space and contain a higher percentage of small pores they are filled much of the time with water rather than air
- Lower in organic matter content, higher in total pore space and contain a lower percentage of small pores that are filled much of the time with air rather than water
- Lower in organic matter content, lower in total pore space and contain a lower percentage of small pores that are filled much of the time with water rather than air
- Higher in organic matter content, lower in total pore space and contain a higher percentage of small pores that are filled much of the time with air rather than water
Zn deficient plants shows broom like appearance R- Zn is involved in synthesis of IAA, a type of Auxin
- A and R right , R is correct explanation of A
- A and R right , R is not a correct explanation of A
- A is wrong, R is right
- A is right, R is wrong
A water soluble P Fertilizer is applied through broadcasting R- P is highly reactive and get fixed
- A and R right , R is correct explanation of A
- A and R right , R is not a correct explanation of A
- A is wrong, R is right
- A is right, R is wrong
In sandy soil , the nutrient availability is low R- The water holding capacity of a sandy soil is poor
- A and R right , R is correct explanation of A
- A and R right , R is not a correct explanation of A
- A is wrong, R is right
- A is right, R is wrong
Soil organic matter plays a pivotal role in sustaining soil productivity and fertility R- Plant nutrients are slowly released from soil organic matter
- A and R right , R is correct explanation of A
- A and R right , R is not a correct explanation of A
- A is wrong, R is right
- A is right, R is wrong
A deep soil profile regulates the free movement of nutrients for a good crop growth R- Elluviation is the result of illuviation process favoring accumulation of nutrient elements and colloided content in B horizon
- A and R right , R is correct explanation of A
- A and R right , R is not a correct explanation of A
- A is wrong, R is right
- A is right, R is wrong