ICAR JRF Agronomy Previous Year Paper 2016 — Agri Master Mind
Sub soil developed by? (JRF AGRO-2016)
- 1 factor
- 3 factor
- 5 factor
- 7 factors
Wooden plough length is? (JRF AGRO-2016)
- 2.5-3.5m
- 3.5-4.5m
- 1.5-2.5m
- None of these
LAI formula is developed by? (JRF AGRO-2016)
- Watson, DJ (1958)
- Evans, G C (1982)
- Rodfort, P J (1967)
- Hayaslu, k (1969)
Diffusion resistance decreased with increasing nitrogen uptake up to? (JRF AGRO-2016)
- 5 mg N/dm²
- 10 mg N/dm²
- 15 mg N/dm²
- 20 mg N/dm²
Acidic soil reclamation is done by? (JRF AGRO-2016)
- Gypsum
- Sulphur
- Lime
- Water
Agroclimatic zone of India based on soil moisture index? (JRF AGRO-2016)
- 15
- 21
- 127
- 40
Mist diameter is? (JRF AGRO-2016)
- 10-15μ
- 15-20 μ
- 15-20μ
- 20-25μ
Thunder storm cloud is? (JRF AGRO-2016)
- Cirrus
- Cumulonimbus clouds
- cirrostratus
- altostratus
Cultivation in hilly areas? (JRF AGRO-2016)
- Terrace cultivation
- Shifting cultivation
- Irrigated farming
- Subsistence farming
Broad Bed Furrow system of land management is recommended for? (JRF AGRO-2016)
- Sandy soils
- Vertisols
- Red soils
- Alluvial soils
The concept of soil management zone is associated with? (JRF AGRO-2016)
- Organic agriculture
- Conservation agriculture
- Precision Agriculture
- Convention agriculture
Piezometer is used to measure? (JRF AGRO-2016)
- Hydraulic conductivity
- Water potential
- Water table
- Soil moisture
The sphere which is above the stratosphere is? (JRF AGRO-2016)
- Thermosphere
- Ionosphere
- Mesosphere
- Exosphere
Following design is used when treatment requires convenience in field operations? (JRF AGRO-2016)
- Split plot
- RCBD
- Strip plot
- Split-split plot
An agroforestry system having components of crops + tree + pasture/animals? (JRF AGRO-2016)
- Agrisilviculture
- Silvipasture
- Agrisilvipasture
- Agrisilvihorticulture
National Farmers Day is observed on? (JRF AGRO-2016)
- 23rd December
- 23rd March
- 16th October
- 5th June
The diameter of USWB class A pan evaporimeter is? (JRF AGRO-2016)
- 122 cm
- 132 cm
- 112 cm
- 222 cm
Which of the following is related to asexual reproduction? (JRF AGRO-2016)
- Allogamy
- Amphimixis
- Autogamy
- Apomixis
The oil content of normal maize cultivars would be in the range? (JRF AGRO-2016)
- 3-4%
- 10-12%
- 15-17%
- 20-22%
The term "flopping" is associated with? (JRF AGRO-2016)
- wilting due to disease
- wilting due to high temperature
- wilting due to waterlogging
- Wilting due to excess nutrients
The seed rate (kg/ha) for soybean grown at 30 X 10 cm when 100 seed weight is 22.5g is? (JRF AGRO-2016)
- 67.5 kg
- 85 kg
- 75 kg
- 99 kg
The seed rate of tobacco is? (JRF AGRO-2016)
- 10 g m^-2
- 5 g m^-2
- 50 g m^-2
- 0.5 g m^-2
The average per ha consumption of pesticide in India is about? (JRF AGRO-2016)
- 550 g
- 780 g
- 380 g
- 900 g
The area, production, and productivity of jute crop is high in? (JRF AGRO-2016)
- Bihar
- Orissa
- West Bengal
- Uttar Pradesh
Which of the following is not true for a puddled soil? (JRF AGRO-2016)
- Ideal soil condition for paddy
- Improved weed control
- Reduced deep percolation loss
- Improved aeration
Imperial Agricultural Research Institute was started in? (JRF AGRO-2016)
- New Delhi
- Bihar
- Cuttack
- West Bengal
Water hyacinth vegetatively multiplies through? (JRF AGRO-2016)
- Runner
- Stolon
- Offset
- Suckers
Calcium in soil mostly moves through the process of? (JRF AGRO-2016)
- Diffusion
- Mass flow
- Root interception
- Osmosis
The "inductive approach" for pre-set yield target was developed by? (JRF AGRO-2016)
- Troug
- Ramamoorthy
- Murlidharudu
- Sairam
Which of the following is called "Green Gold"? (JRF AGRO-2016)
- Green gram
- Sisal
- Bamboo
- Jute
The brick is burnt before use for destroying the? (JRF AGRO-2016)
- Bulk density
- Swelling and shrinkage property
- Particle density
- Porosity
The pH of 0.01 N NaOH theoretically would be? (JRF AGRO-2016)
- 14
- 12
- 6
- 2
Langbeinite in addition to K contains the following elements? (JRF AGRO-2016)
- P and S
- Mg and CI
- P and Mg
- Mg and S
The general critical limit used for sulfur in Indian soil for classifying fertility classes is? (JRF AGRO-2016)
- 2 ppm
- 5 ppm
- 10 ppm
- 15 ppm
'Pusa Rudhira' is a variety of? (JRF AGRO-2016)
- Cauliflower
- Radish
- Carrot
- Wheat
If Urea is applied @ 200 kg/ha, the amount of urea needed for an area of 20 M² is? (JRF AGRO-2016)
- 0.4 kg
- 0.45 kg
- 0.5 kg
- 0.55 kg
Which country has the largest reserves of K? (JRF AGRO-2016)
- Canada
- Germany
- USA
- Russia
What percentage of the non-exchangeable K generally is the exchangeable K? (JRF AGRO-2016)
- <1%
- 1-2%
- 2-3%
- 4-5%
The common extract used in most soil testing laboratories in India for estimation of calcium and magnesium is? (JRF AGRO-2016)
- Morgan's reagent
- Hot water
- Mehlich's No. 1
- Normal Ammonium Acetate
If 500 litres of 0.2% solution of urea is to be sprayed on one ha of land, the amount of urea required for 5 hectares will be? (JRF AGRO-2016)
- 2.5 kg
- 5 kg
- 10 kg
- 15 kg
In a crop, water is applied at IW/CPE 1.4. If the initial irrigation water depth was 7.0 cm, the next irrigation will be given when CPE reaches to? (JRF AGRO-2016)
- 40 mm
- 50 mm
- 55 mm
- 60 mm
Which of the following machines is good for zero-till sowing of crops under surface residue retention? (JRF AGRO-2016)
- Turbo/Happy Seeder
- Ferti Seed Drill
- Common Zero-till Drill
- Tine Opener Zero-till Drill
The nitrogen uptake of rice increased from 50 kg/ha under control to 70 kg/ha with the application of 40 kg/ha. The apparent N recovery would be? (JRF AGRO-2016)
- 0.5
- 0.571
- 0.8
- 0.6
Sulfosulfuron (Leader 75WP) is to be applied @ 25 g ha⁻¹ for 2 hectares. What is the amount of commercial product (Leader) required? (JRF AGRO-2016)
- 60 g
- 66.6 g
- 50 g
- 55.5 g
A plant sample contains 0.3% P. The amount of P in the plant is? (JRF AGRO-2016)
- 3000 ppm P
- 300 ppm P
- 30000 ppm P
- 3 ppm P
A soil contains 0.57% Organic C, the organic matter present in the soil is? (JRF AGRO-2016)
- 0.012
- 0.01
- 0.0098
- 0.013
Which of the following is correct about crop growth rate (CGR)? (JRF AGRO-2016)
- NAR * LAR = CGR
- NAR * LAI = CGR
- LAI * crop duration = CGR
- PGR * LAR = CGR
The depth of planting of sugarcane setts is? (JRF AGRO-2016)
- 5 cm
- 10 cm
- 15 cm
- 25 cm
C value of Nitrogen in Mitscherlich equation? (JRF AGRO-2016)
- 0.4
- 0.122
- 0.6
- 0.301
An experiment plot has a length of 5 m and 7 rows spaced at 50 cm. At harvesting, one border row from either side is left out. The net plot size will be? (JRF AGRO-2016)
- 5.0m x 2.5m
- 6.0m x 1.5m
- 4.0m x 3.0m
- 3.5m x 3.0m
30 q/ha yield of seed cotton with 50000 plants per hectare and 20 bolls/plant, the per boll yield of seed cotton should be? (JRF AGRO-2016)
- 30 g
- 3 g
- 7.7 g
- 300 g
"Feed the soil, not the plant" is the watchword of? (JRF AGRO-2016)
- Eco-farming
- Conservation agriculture
- Natural Farming
- Precision Farming
A plant sample contains 0.3% P. The amount of P in the plant is? (Duplicate question, included for reference) (JRF AGRO-2016)
- 3000 ppm P
- 300 ppm P
- 30000 ppm P
- 3 ppm P
If a soil contains 0.57% Organic C, the organic matter present in the soil is? (Duplicate question, included for reference) (JRF AGRO-2016)
- 0.012
- 0.01
- 0.0098
- 0.013
Net benefit-cost is calculated by? (JRF AGRO-2016)
- Net return / total cost
- Gross return / Total cost
- Net return / Gross return
- Gross return / Net return
Micronaire in cotton is used to measure? (JRF AGRO-2016)
- Fibre fineness
- Fibre strength
- Staple length
- Fibre color
The element that acts as a regulator of the K/Ca ratio in the soil is? (JRF AGRO-2016)
- S
- B
- Fe
- Mn
Which of the equations explains the Mitscherlich's law of yield? (JRF AGRO-2016)
- Y = a + bx + cx^2
- Log(A-y) = LogA - cx
- y = M(1-R^x)
- Y = M(1-R^x)
If the soil erodability factor (k) of a soil is low, it indicates that soil has? (JRF AGRO-2016)
- Low infiltration rate
- High infiltration rate
- More soil erosion from surface
- Low vegetative cover
A micronutrient found in most of the irrigation waters at low concentration is? (JRF AGRO-2016)
- Zinc
- Iron
- Copper
- Boron
Optimum slope of the plots for broad bed and furrow method of irrigation is? (JRF AGRO-2016)
- 0.4 - 0.8%
- 0.1 - 0.2%
- 0.2 - 0.4%
- 0.9 - 1.0%
Which of the following herbicides has both symplastic and apoplastic movement? (JRF AGRO-2016)
- Atrazine
- Fenoxaprop-p-ethyl
- Paraquat
- Glufosinate-AM
According to US Salinity Laboratories, irrigation water is considered high salinity water if its EC ranges between? (JRF AGRO-2016)
- < 0.25 dS m⁻¹
- 0.25 - 0.75 dS m⁻¹
- 0.75 - 2.25 dS m⁻¹
- 2.5 - 5 dS m⁻¹
The herbicide/herbicides group that shows epinasty symptom after its exposure to plants is? (JRF AGRO-2016)
- Triazines
- Paraquat
- Nitrofen
- Benzoic acids
The minimum horsepower requirement of a tractor for zero-tillage sowing with Turbo/Happy Seeder is? (JRF AGRO-2016)
- 30 HP
- 35 HP
- 45 HP
- 25 HP
The resource-use efficiency (RUE) is calculated by? (JRF AGRO-2016)
- RUE = 2 x Conversion efficiency
- RUE = Capture efficiency / Conversion efficiency
- RUE = Conversion efficiency / Capture efficiency
- RUE = (Capture efficiency x conversion efficiency)
The porosity (%) of a soil that has a bulk density of 1.5 mg/m³ and particle density of 2.65 mg/m³ is? (JRF AGRO-2016)
- 38
- 43
- 46
- 23
The headquarters of the International Federation of Organic Agriculture Movements (IFOAM) is situated in? (JRF AGRO-2016)
- Geneva, Switzerland
- Bonn, Germany
- Milan, Italy
- Canberra, Australia