RPSC Rajasthan AARO Agronomy 2022 Solved Paper (English) — Agri Master Mind
Who first deduced the Law of Optima and Limiting Factors? (RJ AARO Agronomy 2022)
- Justus von Liebig (1840)
- Blackman (1905)
- Mitscherlich (1909)
- Baule (1918)
What nutrient deficiency causes interveinal chlorosis and yellowing of leaves? (RJ AARO Agronomy 2022)
- Fe (Iron)
- N (Nitrogen)
- K (Potassium)
- Ca (Calcium)
Sugarbeet belongs to the family of - (RJ AARO Agronomy 2022)
- Cruciferae
- Leguminosae
- Chenopodiaceae
- Tiliaceae
Which of the following is not a form of precipitation? (RJ AARO Agronomy 2022)
- Hail
- Snow
- Frost
- Sleet
What term describes the gain in dry matter production of a plant per unit of time? (RJ AARO Agronomy 2022)
- CGR (Crop Growth Rate)
- RGR (Relative Growth Rate)
- LAI (Leaf Area Index)
- NAR (Net Assimilation Rate)
What agricultural practice involves growing two or more crops simultaneously in rows? (RJ AARO Agronomy 2022)
- Mixed Intercropping
- Row Intercropping
- Strip Intercropping
- Relay Intercropping
The type of potassium (K) adsorbed on soil clay complex and replaceable with neutral salts in a relatively short time is known as - (RJ AARO Agronomy 2022)
- Water soluble K
- Exchangeable K
- Non Exchangeable K
- Lattice K
The inflorescence stage of sugarcane is called - (RJ AARO Agronomy 2022)
- Tasseling
- Silking
- Heading
- Arrowing
Which weed can produce seeds without pollination and fertilization? (RJ AARO Agronomy 2022)
- Taraxacum officinale (Dandelion)
- Chenopodium album (Lamb's quarters)
- Trianthema portulacastrum (Horse purslane)
- Cyperus esculentus (Yellow nutsedge)
What bacterial pathogen causes bacterial leaf blight in rice? (RJ AARO Agronomy 2022)
- Xanthomonas oryzae
- Claviceps fusiformis
- Puccinia penniseti
- Sclerospora graminicola
Which of the following is a C4 plant? (RJ AARO Agronomy 2022)
- Rice
- Soybean
- Sunflower
- Sorghum
Which of these is a non-selective herbicide? (RJ AARO Agronomy 2022)
- ,4-D
- Pendimethalin
- Isoproturon
- Glufosinate-ammonium
Which type of plants have the lowest transpiration ratio? (RJ AARO Agronomy 2022)
- C3 plants
- C4 plants
- CAM plants
- Both C3 and C4 plants
What is the C:N:S ratio in most well-drained and non-calcareous soil? (RJ AARO Agronomy 2022)
- :10.1.4
- :20.1.4
- :10:1.4
- :10:2.0
The proportion of water delivered to the irrigation field from total water delivered from the source is known as - (RJ AARO Agronomy 2022)
- Water conveyance efficiency
- Water application efficiency
- Water storage efficiency
- Water distribution efficiency
When the rainfall received is more than what amount is it called a rainy day? (RJ AARO Agronomy 2022)
- mm per day
- mm per day
- mm per day
- mm per day
What is the water requirement of sugarcane crops? (RJ AARO Agronomy 2022)
- mm
- mm
- mm
- mm
What tillage system minimizes mechanical soil manipulation, only disturbing soil for seedbed preparation? (RJ AARO Agronomy 2022)
- Primary Tillage
- Secondary Tillage
- Minimum Tillage
- Zero Tillage
What term describes the ratio of water vapor to dry air in a given air volume? (RJ AARO Agronomy 2022)
- Absolute Ratio
- Specific Ratio
- Mixing Ratio
- Relative Ratio
What is the recommended safe limit of land slope for border irrigation in sandy loam to sandy soils? (RJ AARO Agronomy 2022)
- 0.60%
- 1.20%
- 1.80%
- 2.40%
Which of the following is a holo-shoot parasite? (RJ AARO Agronomy 2022)
- Orobanche
- Striga
- Cuscuta
- Loranthus
What type of climate is characterized by potential evapotranspiration exceeding average annual precipitation? (RJ AARO Agronomy 2022)
- Dry Climate
- Warm Temperate Rainy Climate
- Cold Forest Climate
- Polar Climate
What type of mimicry enables weeds to resemble crop plants in height and ripening time? (RJ AARO Agronomy 2022)
- Phenotype Mimicry
- Seeds Mimicry
- Chronological Mimicry
- Biological Mimicry
Which crop is primarily affected by Red Rot disease? (RJ AARO Agronomy 2022)
- Sugarcane
- Sugarbeet
- Potato
- Maize
What is the primary purpose of Hedgerow? (RJ AARO Agronomy 2022)
- Nutrient Application Method
- Irrigation Method
- Plant Analysis Method
- Soil Conservation Method
What type of herbicide is Glyphosate? (RJ AARO Agronomy 2022)
- Translocated Herbicide
- Contact Herbicide
- Both (1) and (2)
- None of these
How many classes are lands grouped into based on capability or limitations? (RJ AARO Agronomy 2022)
- Four
- Six
- Eight
- Ten
What process occurs when organic matter with a high C:N ratio (>30:1) is added to soil? (RJ AARO Agronomy 2022)
- Mineralization
- Immobilization
- Ammonification
- Aminization
What is the formula for the Universal Soil Loss Equation (USLE)? (RJ AARO Agronomy 2022)
- A = RKLOSP
- A = RKLSCV
- A = RKLSCP
- A = RKSCP
What is another term for Facultative Weeds? (RJ AARO Agronomy 2022)
- Apophyte
- Anthropophyte
- Alien
- Parasite
What term describes the spatial area collecting and draining rain or irrigation water through a common point? (RJ AARO Agronomy 2022)
- Water Log
- Watershed
- Water Tank
- Water Head
What is the name of Agro-Climatic Zone 1c of Rajasthan? (RJ AARO Agronomy 2022)
- Hyper Arid Partial Irrigated Zone
- Irrigated North Western Plain Zone
- Internal Drainage Dry Zone
- Arid Western Plain
Which variety is a type of Quality Protein Maize (QPM)? (RJ AARO Agronomy 2022)
- HM-4
- Pratap-1
- Madhuri
- HQPM-1
Tillage operations done when the soil is in a saturated (anaerobic) condition is referred to as - (RJ AARO Agronomy 2022)
- Blind tillage
- Clean tillage
- Mulch tillage
- Wet tillage
The layer of atmosphere in which all weather phenomena occur - (RJ AARO Agronomy 2022)
- Troposphere
- Stratosphere
- Mesosphere
- Ionosphere
What is the ratio of Photosynthetically Active Radiation (PAR) to total solar radiation in tropics and temperate regions? (RJ AARO Agronomy 2022)
What is the botanical name of Sunflower? (RJ AARO Agronomy 2022)
- Glycine max
- Ricinus communis
- Carthamus tinctorius
- Helianthus annuus
The temperature range at which most of the crop plants grow at their best is - (RJ AARO Agronomy 2022)
- °C
- °C
- °C
- °C
Which of the following physical properties of soil decreases with tillage operations? (RJ AARO Agronomy 2022)
- Rate of infiltration
- Water holding capacity
- Hydraulic conductivity
- Bulk density
Which of the following PGR promotes formation of abscission layers in plants? (RJ AARO Agronomy 2022)
- Gibberellins
- Cytokinins
- Ethylene
- Abscisic acid
What is the typical concentration of micronutrients (trace elements) in plant tissues? (RJ AARO Agronomy 2022)
- µg/g dry matter
- µg/g dry matter
- µg/g dry matter
- ,000 µg/g dry matter
Which herbicide is commonly used for weed control in groundnut? (RJ AARO Agronomy 2022)
- Imazethapyr
- ,4-D
- Atrazine
- Isoproturon
What type of farming is practiced in areas with annual rainfall less than 750 mm? (RJ AARO Agronomy 2022)
- Dryland Farming
- Rainfed Farming
- Dry Farming
- Irrigated Farming
What term describes water held tightly to soil particles by adsorption forces? (RJ AARO Agronomy 2022)
- Capillary Water
- Hygroscopic Water
- Gravitational Water
- All of the above
What is the scientific name of Urad bean? (RJ AARO Agronomy 2022)
- Vigna radiata (Mung bean)
- Vigna mungo (Urad bean)
- Phaseolus vulgaris (Kidney bean)
- Vigna aconitifolia (Moth bean)
What term is synonymous with Variable Rate Technology (VRT)? (RJ AARO Agronomy 2022)
- Dry Land Agriculture
- Rainfed Agriculture
- Precision Agriculture
- Sustainable Agriculture
What term describes parasitic weeds that depend on specific crops? (RJ AARO Agronomy 2022)
- Season-bound weed
- Crop-bound weed
- Crop-associated weed
- Field-bound weed
For which type of soil is lime (CaCO3) application recommended for reclamation? (RJ AARO Agronomy 2022)
- Acid soil
- Sodic soil
- Saline soil
- Calcareous soil
At which stage is irrigation not critical for groundnut crop? (RJ AARO Agronomy 2022)
- Rapid flowering
- Peg formation
- Early pod development
- Ripening
At what soil pH are H2PO4- and HPO42- forms of phosphorus equally available? (RJ AARO Agronomy 2022)
What term describes the thermal radiation emitted by the Earth? (RJ AARO Agronomy 2022)
- Global Solar Radiation
- Reflected Solar Radiation
- Terrestrial Radiation
- Direct Radiation
What is the scientific term for the fruit of wheat? (RJ AARO Agronomy 2022)
- Siliqua
- Pod
- Caryopsis
- Capsule
What term describes the yearly sequence and spatial arrangement of crops or crops and fallow on a given area? (RJ AARO Agronomy 2022)
- Cropping Index
- Cropping Pattern
- Cropping System
- Mixed Farming
What is commonly known as "Broom-Rape"? (RJ AARO Agronomy 2022)
- Leucas aspera
- Orobanche ramosa
- Parthenium hysterophorus
- Trianthema portulacastrum
What experimental design is suitable when one factor requires a larger plot and another requires more accuracy? (RJ AARO Agronomy 2022)
- Split-plot design
- Strip-plot design
- Factorial randomized block design
- All of the above
What does consumptive use of water include? (RJ AARO Agronomy 2022)
- Evapotranspiration
- Metabolic activities
- Evapotranspiration and metabolic activities
- Evapotranspiration and seepage
Which crop is significantly affected by the pink bollworm? (RJ AARO Agronomy 2022)
- Groundnut
- Sorghum
- Soybean
- Cotton
What process breaks down herbicides under direct solar radiation? (RJ AARO Agronomy 2022)
- Chemical decomposition
- Microbial decomposition
- Photo decomposition
- None of these
What term describes the nutrient concentration range where additional nutrients don't increase yield but only increase nutrient concentration? (RJ AARO Agronomy 2022)
- Deficient
- Critical
- Sufficient
- Excessive
What rainfall range is suitable for intercropping in dryland areas? (RJ AARO Agronomy 2022)
- mm
- mm
- mm
- More than 900 mm
What transformation is applied to Poisson-distributed data with small whole numbers? (RJ AARO Agronomy 2022)
- Logarithmic transformation
- Square root transformation
- Angular transformation
- Percent transformation
Which of the following monsoon period is called the grand period of rainfall in India? (RJ AARO Agronomy 2022)
- South-West monsoon
- North-East monsoon
- Both (1) and (2)
- None of the above
Storage of a nutrient in a particular plant or portion is called as - (RJ AARO Agronomy 2022)
- Nutrient accumulation
- Nutrient content
- Nutrient uptake
- Nutrient fixation
National Institute of Organic Farming is located at - (RJ AARO Agronomy 2022)
- Faridabad
- Ahmadabad
- Daulatabad
- Ghaziabad
What is the calcium content in Single Super Phosphate (SSP) fertilizer? (RJ AARO Agronomy 2022)
- %
- %
- %
- %
What is the normal lapse rate of temperature in the troposphere? (RJ AARO Agronomy 2022)
- °F per 1000 feet
- °F per 1000 feet
- °F per 1000 feet
- °F per 1000 feet
What type of soil erosion involves the uniform removal of topsoil in thin layers? (RJ AARO Agronomy 2022)
- Sheet erosion
- Hill erosion
- Gully erosion
- Ravine erosion
What term describes the complete elimination of weed seeds and plant parts from a site? (RJ AARO Agronomy 2022)
- Weed suppression
- Weed eradication
- Weed control
- Weed management
Which option is not a climatic factor? (RJ AARO Agronomy 2022)
- Light
- Temperature
- Composition of soil air
- Composition of atmospheric wind
For which condition is HD 2285 wheat variety suitable? (RJ AARO Agronomy 2022)
- Normal sowing
- Late sowing
- Rainfed
- Low land
What is the average nitrogen content in Rapeseed Oil Cake? (RJ AARO Agronomy 2022)
- %
- %
- %
- %
Which is a primary tillage implement? (RJ AARO Agronomy 2022)
- Cultivator
- Harrow
- Plank
- Ploughs
The scheme and art of obtaining information about an object through the analysis of data acquired by a device that is not in contact with the object is called - (RJ AARO Agronomy 202
- Epidemiology
- Meteorology
- Remote sensing
- Psychology
De-suckering is practiced in which crop? (RJ AARO Agronomy 2022)
- Sunflower
- Tobacco
- Potato
- Sugarcane
In India, when was the first Irrigation Commission appointed? (RJ AARO Agronomy 2022)
What term defines the irreversible increase in size, measured as dry weight, throughout an organism's life cycle? (RJ AARO Agronomy 2022)
- Growth
- Development
- Germination
- Emergence
The level at which the water stands in a well before pumping starts is called - (RJ AARO Agronomy 2022)
- Static water level
- Piezometric surface
- Pumping water level
- Drawdown
The ratio of standard deviation to the mean multiplied by 100 is called - (RJ AARO Agronomy 2022)
- Coefficient of variation
- Standard deviation
- Mean deviation
- Variance
What term describes a prolonged period of below-average precipitation? (RJ AARO Agronomy 2022)
- Contingent Drought
- Atmospheric Drought
- Meteorological Drought
- Agricultural Drought
To which chemical group does the herbicide Pendimethalin belong? (RJ AARO Agronomy 2022)
- Dinitroanilines
- Dinitrophenols
- Diphenylethers
- Acetamides
What term describes the ratio of land area required for sole cropping to match intercropping yields? (RJ AARO Agronomy 2022)
- Land Equivalent Ratio (LER)
- Area Time Equivalent Ratio
- Staple Land Equivalent Ratio
- Area Harvest Equivalency Ratio
What irrigation method involves running water over the soil surface and allowing it to infiltrate? (RJ AARO Agronomy 2022)
- Surface Irrigation
- Sprinkler Irrigation
- Drip Irrigation
- Sub-Irrigation
What value represents a perfect negative correlation? (RJ AARO Agronomy 2022)
- -1
- -0.5
Which option is not a basic principle of Experimental Design? (RJ AARO Agronomy 2022)
- Replication
- Randomization
- Local Control of Error
- ANOVA
According to CRIDA Hyderabad, what ploughing depth is classified as shallow? (RJ AARO Agronomy 2022)
- cm
- cm
- cm
- cm
What is the typical droplet size of drizzle? (RJ AARO Agronomy 2022)
- Less than 0.5 mm
- 1.0 mm
- 1.5 mm
- 2.0 mm
What does a Pyrheliometer measure? (RJ AARO Agronomy 2022)
- Total Solar Radiation
- Direct Solar Radiation
- Diffused Solar Radiation
- Net Solar Radiation
For which type of weather forecasting is the statistical method used? (RJ AARO Agronomy 2022)
- Short-range weather forecast
- Short and long-range weather forecast
- Short and medium-range weather forecast
- Medium and long-range weather forecast
Which of the following is a compound fertilizer? (RJ AARO Agronomy 2022)
- Calcium Ammonium Nitrate (CAN)
- Single Super Phosphate (SSP)
- Diammonium Phosphate (DAP)
- Muriate of Potash (MOP)
What is the term for a single productivity index that incorporates the monetary value of all crops in a system? (RJ AARO Agronomy 2022)
- Monetary Index
- Caloric Index
- Seed Index
- All of the above
Where is the origin of pearl millet? (RJ AARO Agronomy 2022)
- Russia
- Canada
- Africa
- India
Which Rhizobium species is suitable for kidney bean crop? (RJ AARO Agronomy 2022)
- R. tripoli
- R. lupini
- R. phaseoli
- R. spp.
What is the correct formula to compute discharge through a 90° V-notch weir? (RJ AARO Agronomy 2022)
- Q = 0.0184 LH^(3/2)
- Q = 0.0184 (L-0.2H)H^(3/2)
- Q = 0.0186 LH^(3/2)
- Q = 0.0138 H^(5/2)
Which of the following objectives of tillage is helpful in crop production? (RJ AARO Agronomy 2022)
- A pest and pathogen-free environment
- A non-crusted soil to permit seedling emergence
- Mixing the applied manures and fertilizers with the soil
- All of the above
The conversion factor of P to P<sub>2</sub>O<sub>5</sub> is - (RJ AARO Agronomy 2022)
A type of inter-cropping system in which yields of both crops, grown together are found to be higher than the yield of their pure crops on a unit area basis is known as - (RJ AARO Agronomy
- Parallel cropping
- Companion cropping
- Multi-storeyed cropping
- Synergetic cropping
Clodinafop-Propargyl is classified as a: (RJ AARO Agronomy 2022)
- Pre-planting herbicide
- Pre-emergence herbicide
- Post-emergence herbicide
- Lay-by herbicide
What percentage of moisture is available in clay soil at field capacity? (RJ AARO Agronomy 2022)
- %
- %
- %
- %
What fungus causes Ergot in Bajra (Pearl Millet)? (RJ AARO Agronomy 2022)
- Claviceps fusiformis
- Puccinia penniseti
- Tolyposporium penicillariae
- Sclerospora graminicola
What term describes growing a single crop in a field during a crop season? (RJ AARO Agronomy 2022)
- Monoculture
- Dual Culture
- Polyculture
- Mix Cropping
What soil conservation technique involves growing soil-conserving and soil-depleting crops in alternate strips? (RJ AARO Agronomy 2022)
- Crop Rotation
- Mixed Cropping
- Strip Cropping
- Relay Cropping
What term describes the light intensity at which the maximum rate of photosynthesis is obtained? (RJ AARO Agronomy 2022)
- Light Compensation Point
- Air Saturation Point
- Light Efficient Point
- Light Saturation Point
In which crop is Ratooning practiced? (RJ AARO Agronomy 2022)
- Gram
- Sugarbeet
- Potato
- Sugarcane
Botanical name of Dent maize is - (RJ AARO Agronomy 2022)
- Zea mays indurata
- Zea mays amylacea
- Zea mays everta
- Zea mays indentata
Which of the following is not correctly paired? (RJ AARO Agronomy 2022)
- Isobar - atmospheric pressure
- Isotach - atmospheric temperature
- Isohyet - rainfall
- Isohel - sunshine hour
Which bacteria converts ammonium (NH₄⁺) to nitrite (NO₂⁻)? (RJ AARO Agronomy 2022)
- Nitrosomonas
- Nitrobacter
- Azospirillum
- None of these
What is another name for Genetically Modified (GM) Rice? (RJ AARO Agronomy 2022)
- Black Rice
- Golden Rice
- Yellow Rice
- Basmati Rice
What is the correct relationship between Water Requirement (WR) and Irrigation Requirement (IR) of a crop? (RJ AARO Agronomy 2022)
- WR = IR + ER - S
- WR = IR + ER + S
- WR = IR - ER + S
- WR = IR - ER - S