Agronomy ICAR JRF Test - 2 — Agri Master Mind
National Food security Mission (NFSM) launched in the year-
- 2005
- 2007
- 2006
- 2009
The country with largest area under organic farming-
- Australia
- Austria
- India
- China
Total number of Central Integrated Pest Management Centers (CIPMCs) across the country is
- 25
- 35
- 45
- 15
Leading countries in transgenic crops –
- USA > Argentina> India> Brazil > Canada
- Argentina > USA >Brazil > India> Canada
- Canada > USA >Brazil > Argentina> India
- USA >Brazil > Argentina> India> Canada
First country to approve GM Wheat crop tolerant to drought and ammonium glufosinate herbicide is-
- Argentina
- USA
- Brazil
- All
Locust Warning Organization (LWO) headquarter located at-
- Toke, Rajasthan
- Faridabad, Haryana
- Both
- None
Fertilizer subsidy scheme to be named as-
- Yuva Sahakar Scheme
- Pradhan Mantra Kisan SAMPADA Yojana
- PM Bharatiya Jan Urvarak Pariyojana
- None
Per ha consumption of fertilizers highest in-
- Kerala
- Bihar
- U.P
- Andhra Pradesh
World’s first Nano urea liquid developed by- IFFCO on -
- 6 June, 2020
- 1 July, 2021
- 1 June, 2021
- 6 July, 2020
Seed Minikit Programme was launched by Ministry of Agrculture on?
- 4 Jan, 2021
- 4 April, 2021
- 4 June, 2021
- 4 Nov, 2021
Kisan Rail Scheme was launched by Indian Railways through PPP on?
- 2 Feb, 2020
- 1 Feb, 2020
- 5 Feb, 2020
- 9 Feb, 2020
Govt. of India has set up a target to issue ______number of Kisan Credit card (KCC) under Atma Nirbhar Bharat Abhiyan?
- 1.5 crore KCC
- 2.5 crore KCC
- 3.5 crore KCC
- 0.5 crore KCC
Abiotic factor of black heart of potato is ---
- High humidity
- Low temperature
- Low oxygen supply and high temperature
- High storage temperature
Autoclave sterilization is done at 121C for 15 minutes at a pressure of ----
- 10 p.s.i
- 20 p.s.i
- 15 p.s.i
- 25 p.s.i
Standard blotter test is used in ----
- Seed rate
- Seed viability
- Seed health testing
- Seed purity test
Dietary requirements of fruit is ---gm./ Capita / day
- 80
- 100
- 120
- 140
When C:N ratio is ---- it indicates advance stage of decomposition
- High
- Medium
- Low
- Zero
Which is the following communication model given by Roger and Shoemaker
- SRMCE
- SSAC
- SMCRE
- STSRD
Swarna Jayanti Gram Swarojgar Yojana (SGSY) gives income of Rs. -- -- per month
- 5000
- 1000
- 2000
- 3500
Who started the programme of Majdoor manjil
- Vinoba Bhave
- Mahatma Gandhi
- S.K.Dey
- Ashok Mehta
Lysimeter derived from ….. word
- Latin
- Greek
- Arabic
- French
Crops produces optimum yield when irrigated at ….. % of FC
- 50
- 75
- 100
- 60
Leaf temperature can be measured by …..
- Infrared thermometer
- Tensiometer
- Both A and B
- Porometer
Read the following statements and choose the suitable option Graded bunding is recommended in soils with low infiltration rate. Horse gram is erosion permitting crop Soil erodibility factor is high for soils with low infiltration Which of the above statements is incorrect?
- Only A
- Only B
- A & C
- Only C
Permissible limit of soil loss is----
- 16.00 t/ha
- 19 t/ha
- 11 t/ha
- 24 t/ha
Zing terracing is suitable for the land with slope of-----
- <2%
- 3-10%
- 10-15%
- 16-33%
Rill erosion starts only when runoff amount exceeds-----
- 0.3 to 0.7 cm/sec
- 0.3 to 0.7 mm/min
- 0.3 to 0.7 cm/min
- 0.3 to 0.7 mm/sec
Broad bed and furrow method mostly followed in ___
- Red soils
- Laterite soils
- Alluvial soils
- Black soils
“Sloping inwards” type of bench terracing is most suitable for areas with-----
- Low rainfall areas with low infiltration rate
- High rainfall areas with high infiltration rate
- Low rainfall areas with high infiltration rate
- High rainfall areas with low infiltration rate
Wind and water erosion accounts for the loss of----- tonnes of N, P & K in our country
- 3.25
- 4.76
- 5.53
- 6.92
Alluvial soils of Indo-gangetic plains comes under class ---- of land capability classification
- I
- II
- III
- IV
Most spectacular symptom of erosion is-----
- Sheet erosion
- Splash erosion
- Gully erosion
- Rill erosion
S’ in universal soil equation represents ____
- Soil erodibility
- Slope length
- Slope gradient
- Soil cover and management
National wasteland development board was constituted to develop----- wasteland every year
- 1.5 mha
- 3 mha
- 10 mha
- 5 mha
Minimum wind velocity required for initiation of wind erosion----
- 10 km/hr
- 30 km/hr
- 16 km/hr
- 24 km/hr
Mostly diameter of rain drops ranges from----
- 1-4 mm
- 5-10 mm
- 1-4 cm
- 5-10 cm
Area of total degradable land in our country----
- 3 feet
- 4 feet
- 5 feet
- 6 feet
Value of soil erodibility factor ranges from-----
- 0 to1.0
- -1 to +1
- 0 to 0.6
- 0.5 to 1.
Saltation accounts for ---- % of wind erosion
- 25-50%
- 70-90%
- 50-75%
- 10-25%
Minimum slope required for formation or occurrence of landslides in mountains-----
- 10%
- 40%
- 20%
- 30%
Wind erosion is a common phenomenon in-----
- Arid region
- Semi arid region
- Humid region
- Both A&B
Bragg and Clark 63 are the varities of :
- Soyabean
- Groundnut
- Lentil
- Linseed
The alkaloid that is present in sorghum leaves during hot dry summer season is commonly called as
- Tanin
- Morphine
- Theobromine
- Dhurin
A short duration crop in between two main crops is called:
- cash crop
- companion crop
- catch crop
- inter crop
Water use efficiency is defined as:(Where Y=Yield, T=Transpiration and ET=Evapo-transpirtion)
- Y/ET
- Y/T
- ET/Y
- T/Y
One bar of atmospheric pressure is equal to the height of water column of :
- 10m
- 100m
- 1m
- 0.1m
Water requirement of the crops is equal to:
- Evapo-transpiration losses of water
- Consumptive use of water
- Rainfall+irrigation requirement
- irrigation requirement
Sugarcane crop is ready for harvest when brix value reaches:
- 15
- 16
- 18
- 21
Which of the following crop is most tolerant to salts:
- Caster
- Sesamum
- Safflower
- sugarcane
In northern hemisphere which slops gets maximum radiation:
- North facing
- South facing
- East facing
- West facing
Triticale is a cross between:
- Wheat x barley
- Wheat x oat
- Barley x rye
- Wheat x rye
Taramira is a/an:
- Pulse crop
- Oilseed crop
- Green manure crop
- Cereal crop
The crop used for production of both oil and fibre is:
- Linseed
- Castor
- Mesta
- Jute
RDB-2 and Ratna are the varieties of:
- Wheat
- Barley
- Maize
- Sorghum
The most suitable soil for groundnut cultivation is :
- sandy and sandy loam
- clay loam
- loamy clay
- Silty loam and clay loam
Statement I – If calculated ‘F’ value is higher than tabulated ‘F’ value it means treatments are significantly varied. Statement II – ‘F’ test does not give the significant difference between two treatments
- 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 – In intercropping system crop intensification is both in time and space dimensions Statement II – In additive series of intercropping main crop population is 100% and intercrops are in additions
- 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 –Parallel sunshine scale is used for short curved cards Statement II – Trapezoidal scale is used for long and short curved cards
- 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 –In meteorological observatory taller instruments are established in southern side of observatory Statement II – For measuring the actual minimum temp. experienced by plants near the ground, soil thermometer is used.
- 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 – Frequent ploughing improves soil structure Statement II – Tillage destroys multiplications of microorganisms
- 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 – Decomposition of organic matter is fast due to minimum tillage Statement II – The concept of minimum tillage is started in USA
- 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 – Production of black powder in place of wheat grain in the wheat ears is the symptom of loose smut Statement II – Black rust is severe in north western part of the country.
- 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 – NP - 4 was the first improved wheat variety developed in India. Statement II – Narmada – 4 is a tall and medium early variety suitable for rainfed conditions.
- 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 – High nitrogen content in barley grain is suitable for malting Statement II – Hulled less type of barley are used for malting
- 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 – Among cereals maize is potentially the highest yielding grain crop Statement II – Maize is very susceptible both to excess water and moisture stress.
- 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 – Acidity caused due to 100 kg of ammonium sulphate can be neutralized by 110 kg of CaCO3 Statement II – The acidity of ammonium nitrate is more than ammonium sulphate
- 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 –All nitrate fertilizers are basic in residual effect on soils. Statement II – Nitrogen fertilizers that are acid forming will increase the uptake of Zinc
- 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
Ss
Statement I – Hydrolytic enzymes break down complex food materials like starches and proteins into simple sugars and amino acids respectively. Statement II – Embryo secretes gibberellin which in turn induces the secretion of hydrolytic enzymes by aleurone layer in cereals.
- 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 – Photosynthetic advantage of C4 plants compared with C3 plants at the level of carboxylation is reduced at the whole leaf level. It is due to combination of stomatal and mesophyll resistance at the leaf level and by mutual shading and periods of low light at plant community level. As a result, no consistent advantage of the C4 pathway is evident in crop growth rates and crop yields of C4 plants. Statement II – C4 plants use considerably more water per unit of additional dry weight than calvin cycle (C3) plants.
- 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 light intensity at which photosynthesis and respiration are equal is called light saturation point. Statement II – The light intensity at which there is no further increase in the rate of photosynthesis is called light compensation point
- 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 –Wilcox proposed inverse yield-nitrogen law in 1929. Statement II – According to inverse yield nitrogen law, yielding ability of any crop plant is directly proportional to the mean nitrogen content in dry matter.
- 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 –In fodder crops where total dry matter is the monetary product or in tobacco where the majority of the dry matter is economic product, response to increasing plant density is asymptotic. Statement II – In asymptotic response with increase in plant population after a limit, yield or dry matter does not decreases instead it remains constant.
- 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 –Increase in plant height due to higher plant population is advantageous for better light interception due to exposure of individual leaves at wider vertical interval. Statement II – Dry matter production per unit area increases with increase in plant population up to a limit when the reduction in the growth of a plant is more than compensated by increase in the number of plants per unit area.
- 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 – Shoemaker, Mclean and Pratt (1969) gave the Single Buffer Method to estimate lime requirement. Statement II – The amount of liming material required to raise the pHof the soil to a desired value under field condition is known as lime requirement.
- 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
Shoemaker, Mclean and Pratt (1961) gave the Single Buffer Method to estimate lime requirement.
Statement I –Excessive salts in the soil solution decreases the osmotic pressure of soil solution in comparison to cell sap. This effect makes it more difficult for plant roots to extract water and nutrients. Statement II – High concentration of soluble salts produces toxic effect directly to plants such as root injury, inhibition of seed germination
- 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 portion of absorbed nitrate nitrogen (NO3-N) is reduced to ammonicalnitrogen (NH4-N) and glutamine in roots. These compounds along with remaining portion of NO3-N passes through the symplast (living connection between cells) and enters the xylem. Statement II – Reduced compounds enter phloem vessels and are translocated to growing points like young leaves, roots, fruits etc
- 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
Black alkali soils are also called as
- Saline soil
- Saline – alkaline soil
- Sandy soil
- Alkali soil
Which of the following has highest neutralizing value?
- CaO
- CaSiO3
- Ca(OH2)
- CaCO3
The maximum spectral reflectance in infrared wavelength range is observed for
- Soil
- Water
- Vegetation
- None of these
Irrigation water haring Ca 2++Mg2+ concentration of 2 meq/L and CO3 + HCO-3 of 4 me/L will have the RSC
- 2 meq/L
- 8 meq/L
- 4 meq/L
- 10 meq/L
Which of the following statement(s) pertaining to Stoke’s law is/are CORRECT? (a) Velocity of the particle is directly proportional to the square of the radius of the particle. (b) Particles must be of uniform density. (c) There should not be any turbulence (d) Particles must be spherical, smooth and rigid.
- (a) only
- (a), (b) and (c) only
- (a), (b) and (d) only
- All
Which of the following is correct decreasing order of decomposition of plant residue?
- Cellulose > Hemicellulose > Starch > Fats and Waxes
- Hemicellulose > Cellulose > Starch > Fats and Waxes
- Starch > Cellulose > Hemi cellulose > Fats and Waxes
- Starch > Hemi cellulose > Cellulose > Fats and Waxes
The decreasing order of molecular weight is
- Fulvic acid > Humic acid > Humin
- Humin > Fulvic acid > Humic acid
- Humic acid > Fulvic acid > Humin
- Humin > Humic acid > Fulvic acid
The following mineral fix more phosphorus
- Kaolinite
- Montmorillonite
- Illite
- Chlorite
The following mineral fix more potassium
- Kaolinite
- Montmorillonite
- Vermiculite
- Chlorite
Statement I – Assman’s pschrometer is used to measure the RH accurately in the crop canopy Statement II – Hair Hygrometer is generally used to measure RH inside the rooms
- 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 – soil solution K and exchangeable K is readily available for plants Statement II – only 1-2 % of the total soil K is readily available
- 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 – Sodium carbonate is less water soluble than calcium carbonate Statement II – Marl that is composed of unconsolidated CaCo3
- 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
Soil thermal conductivity is influenced by- A air-filled porosity, B. water content, C. bulk density, D. texture
- a, b, c
- a, b, c, d
- b, c, d
- a only
La Nina is associated with India as
- High rainfall and cold water temperature
- Scanty rainfall and cold water temperature
- High rainfall and high water temperature
- Scanty rainfall and high water temperature
Due to which force the moving air mass on earth surface is deflecting right and left side
- Pressure gradient force
- Gravitational force
- Coriolis force
- Frictional force
What is the charge resulting from isomorphous substitution in the structure of 2:1 clays called?
- Permanent charge or pH independent charge
- Variable charge or pH dependent
- Both a and b
- None of the above
What is the redox potential of oxidized zone in submerged soil?
- >400 mV
- >350 mV
- >300 mV
- >250 mV
What will be the H+ ion concentration if pH is 6.0?
- 0.0006 mol/L
- 0.000006 mol/L
- 0.00006 mol/L
- 0.6mol/L
1 meq of HCl is equal to
- 1.4 mg of N
- 14 mg of N
- 140 mg of N
- 0.14 mg of N
What is the formula for exchangeable sodium percentage (ESP)?
- ESP = (Ex. Na) × (Ex. Ca + Ex Mg)
- ESP = (Ex. Na) /(Ex. Ca + Ex Mg)
- ESP = (Ex. Na) × (Ex. Ca + Ex Mg) × 100
- ESP = [(Ex. Na) / (Ex. Ca + Ex Mg)] × 100
The bulk density of the soil after practicing zero tillage for 2 to 3 years continuously will
- Increase
- Decrease
- Remain unchanged
- None of the above
Range of matric potential that tensiometer can measure is
- 0 – 1.0 bar
- 0 -0.5 bar
- 0 – 0.85 bar
- 0 – 10 bars
Which soil structure is mostly found in subsurface or B horizon?
- Columnar
- Blocky
- Spheroidal
- Platy
Which soil structure is dominant in the arid and semi-arid regions?
- Columnar
- Spheroidal
- Blocky
- Platy
What is the suction at saturation in soil?
- 100 bars
- 50 bars
- 75 bars
- 0 bars
What is the SI unit of soil water potential on mass basis?
- Joules/kg
- Newton/m2
- Dynes/cm2
- Pascal
Which cake has nitrification inhibition properly?
- Castor cake
- Neem cake
- Cotton cake
- Grunt cake
Dehydrogenase activity is a good index of biological activity of soil because it plays role in
- Carbon metabolism
- Respiration
- Synthesis of call macromolecules
- Cell division
Rhizosphere is determinate by
- Gram positive spore forming bacteria
- Gram positive non spore forming bacteria
- Gram negative spore forming bacteria
- Gram negative non spore forming bacteria
Some microorganism produce organic ligands to chelate iron in the soil and make it available to the plants. These organic ligands are known as
- Porphyrins
- Siderophores
- Ferrodoxins
- Chromophores
The correct sequence which shows decreasing order of C/N ratio is
- Prokaryotes > earth worm > matured soil >Sesbaniasesban> wheat straw > saw dust
- Matured soil > Prokaryotes > earth worm >Sesbaniasesban> wheat straw > saw dust
- Prokaryotes >Sesbaniasesban> earth worm > matured soil > saw dust > wheat straw
- Saw dust > wheat straw >sesbaniasesban> matured soil > earth worm > prokaryotes.
Prokaryotes in soil include the following groups of organisms
- Fungi, Actinomycetes, bacteria, algae, protozoa
- Bacteria, archaea, actinomycetes, BGA
- Algae, protozoa, fungi, bacteria
- Protozoa, bacteria, fungi ,archaea
Which one of the following organism is an obligate chemoautotroph?
- Frankia
- Anabaena
- Nitrosomonas
- Rhizobium
When the fertility gradient of the field is in one direction, which design is appropriate–
- SPD
- LSD
- CRD
- RBD
The intelligence, ability or efficiency can be measured by use of–
- Mode
- Median
- Harmonic mean
- Arithmetic mean
If all the variate values are the same (e.g. 8,8,8), the standard deviation will be
- 0
- 4
- 8
- 16
The square of the standard deviation is known as the
- Mean deviation
- Standard deviation
- Coefficient of variance
- Variance
In a split plot design, 5 levels of main plot and 4 levels of sub plot treatments studied with 3 replications. What will be the d.f. for error b source?
- 8
- 12
- 30
- 59
Soil moisture Characteristic curve is based on the concept that: a. Direction change of soil moisture is sensitive to change in soil Volume and structure b. Direction change of soil moisture is not sensitive to change in soil Volume and structure c. Rate of change in soil moisture is sensitive to change in soil Volume and structure
- A and B
- B and C
- A and C
- B and D
Who gave the Capillary potential concept-
- Buckingham
- Richards
- Gardner
- Aslyng
Hysteresis is not due to
- Geometric non-informativity
- Contact angle effect
- Dead end of pores
- None
Range of thermocouple psychrometer is
- 0.2 to 5 M Pa
- 5 to 100 M Pa
- 5 to 15 M Pa
- None of these
At a particular tension, the soil water content in desorption is-----than sorption
- Greater
- Less
- Equal to
- None of the above
With increase in solute content in soil water, osmotic pressure and vapour pressure consequently.
- increases, decreases
- Decreases, increases
- Increases, increases
- None of these