RPSC Rajasthan ARO Agronomy 2014 Solved Paper (English) — Agri Master Mind
What is the Hindi name of "Brassica Juncea"? (RJ ARO Agronomy 2014)
- Rai
- Toria
- Kali sarson
- Peeli sarson
Rock phosphate deposits are abundantly found in _____ district of Rajasthan :- (RJ ARO Agronomy 2014)
- Nagaur
- Bikaner
- Barmer
- Udaipur
In which of the following agro-climatic zones of India do Punjab and Haryana fall? (RJ ARO Agronomy 2014)
- Transgangetic Plain region
- Upper gangetic plain region
- Middle gangetic plain region
- Lower gangetic plain region
World Soil Day is celebrated every year on: (RJ ARO Agronomy 2014)
- th December
- th December
- th December
- th December
Which weather element is NOT correctly matched with its measuring unit? (RJ ARO Agronomy 2014)
- Temperature - °C
- Relative humidity - %
- Cloud cover - Hours
- Atmospheric pressure - Millibars
The base temperature of maize for calculating growing degree days is: (RJ ARO Agronomy 2014)
- °C
- °C
- °C
- °C
The headquarters of the World Meteorological Organization is located at: (RJ ARO Agronomy 2014)
- Geneva
- Paris
- Washington
- Rome
What will be the gross irrigation requirement of a field having a net irrigation requirement of 400 mm and field irrigation efficiency of 80%? (RJ ARO Agronomy 2014)
- mm
- mm
- mm
- mm
As per CSSRI, Karnal, classification of irrigation water, the boron content of normal water should be: (RJ ARO Agronomy 2014)
- Less than 3 ppm
- to 4 ppm
- to 5 ppm
- to 10 ppm
The commonly used pan coefficient value in evapotranspiration study is: (RJ ARO Agronomy 2014)
The ratio between the irrigated area and the volume of water applied is known as: (RJ ARO Agronomy 2014)
- Delta of Water
- Duty of Water
- Base of Water
- Water course
If a crop is to be irrigated at a 0.6 IW/CPE ratio with 6 cm depth, it should be given at a CPE value of: (RJ ARO Agronomy 2014)
- mm
- mm
- mm
- mm
One hectare meter is equal to: (RJ ARO Agronomy 2014)
- m³ water
- ,000 m³ water
- ,000 m³ water
- ,000 m³ water
Among different soil textural classes, which is ideal for most crops? (RJ ARO Agronomy 2014)
- Sandy
- Clayey
- Loamy
- Silty
The nitrogen content of sulfur-coated urea ranges between: (RJ ARO Agronomy 2014)
- % - 28%
- % - 37%
- % - 42%
- % - 48%
Which nutrient element acts as the "energy currency" within plants? (RJ ARO Agronomy 2014)
- Calcium
- Potassium
- Phosphorus
- Nitrogen
The nutrient deficiency responsible for heart rot in sugarbeet is: (RJ ARO Agronomy 2014)
- Molybdenum
- Copper
- Zinc
- Boron
Seaweed "a marine algae" is used as a: (RJ ARO Agronomy 2014)
- Herbicide
- Fertilizer
- Insecticide
- Fungicide
Orobanche, a parasitic weed, is classified as: (RJ ARO Agronomy 2014)
- Holo stem parasitic weed
- Hemi root parasitic weed
- Holo root parasitic weed
- Hemi stem parasitic weed
Brown manuring, a recent approach towards weed control, is practiced in: (RJ ARO Agronomy 2014)
- Maize
- Direct seeded rice
- Mustard
- Pigeonpea
What will be the weed control efficiency (%) if weed dry matter in a weedy check is 30 quintals/ha and in a treated plot it is 15 quintals/ha? (RJ ARO Agronomy 2014)
A soil has a bulk density of 1.5 Mg/m³ and a particle density of 2.5 Mg/m³. What will be the percent porosity of the soil? (RJ ARO Agronomy 2014)
- %
- %
- %
- %
In which district is the Indian Institute of Farming Systems Research (IIFSR) situated? (RJ ARO Agronomy 2014)
- Jhansi
- Meerut
- Ghaziabad
- Sholapur
Which of the following indicators is used to assess intercropping systems? (RJ ARO Agronomy 2014)
- Leaf Area Index
- Light Use Efficiency
- Land Equivalent Ratio
- Sustainability Index
The unit of relative growth rate (RGR) of any crop is: (RJ ARO Agronomy 2014)
- g/m² (leaf area)/day
- g/g/day
- g/m² (land area)/day
- g/day
A rapid growing phase of a plant is termed as: (RJ ARO Agronomy 2014)
- Lag Phase
- Senescence
- Plateau Phase
- Log phase
- (This requires the specific matches to categorize)) Select the incorrect match: (RJ ARO Agronomy 2014)
- For good crop growth - apply N fertilizer
- For correcting "top sickness" of tobacco - apply B fertilizer
- For quality produce - apply K fertilizer
- For correcting yellowing in groundnut - apply Zn fertilizer
Which crop is more tolerant to sodicity? (RJ ARO Agronomy 2014)
- Sorghum
- Groundnut
- Rice
- Mustard
Soybean originated from which country? (RJ ARO Agronomy 2014)
- China
- India
- Brazil
- Mexico
Select the correct combination of a crop variety and its 1000 grain weight: (RJ ARO Agronomy 2014)
- Wheat (HI 8498) - 35 g
- Gram (KAK -2) - 380 g
- French bean (Udai) - 500 g
- Groundnut (TAG -24) - 250 g
What quantity of sulfuric acid is required to spray 1000 liters of water in one hectare to control frost in rabi crops? (RJ ARO Agronomy 2014)
- ml
- ml
- ml
- ml
The optimum temperature range for ideal germination of wheat seed is: (RJ ARO Agronomy 2014)
- °C
- °C
- °C
- °C
Which one of the following crops is known as the "Queen of oilseeds"? (RJ ARO Agronomy 2014)
- Soybean
- Mustard
- Sunflower
- Sesame
For good quality tobacco, the chloride content in leaves should never exceed: (RJ ARO Agronomy 2014)
- %
- %
- %
- %
For delinting 10 kg of fuzzy cottonseed, the industrial-grade sulfuric acid required is: (RJ ARO Agronomy 2014)
- ml
- ml
- ml
- ml
Red rot is an important disease of this crop: (RJ ARO Agronomy 2014)
- Potato
- Sugarbeet
- Sugarcane
- Maize
The oil of which crop is extensively used in the paints and varnish industry? (RJ ARO Agronomy 2014)
- Sesame
- Safflower
- Ratanjot
- Linseed
What quantity of seed is required for one hectare of a crop if the plant population per hectare is 50,000, the test weight is 200 g, and the real value of the seed is 100%? (RJ ARO Agronomy 2014)
- Kg
- Kg
- Kg
- Kg
The coefficient of variation (CV%) is calculated by the formula: (RJ ARO Agronomy 2014)
- (Mean/Standard Deviation) X 100
- (Standard Deviation/Mean) X 100
- Standard Deviation/Mean
- Mean/Standard Deviation
The size of a mini watershed varies between: (RJ ARO Agronomy 2014)
- ,000 - 50,000 hectares
- ,000 hectares
- hectares
- hectares
Fumigation of rat burrows in the field is done by: (RJ ARO Agronomy 2014)
- Zinc Phosphide
- Aluminium Phosphide
- Zinc Sulphate
- Zinc Phosphate
Jakham Dam is situated in which district of Rajasthan? (RJ ARO Agronomy 2014)
- Jaipur
- Tonk
- Dausa
- Pratapgarh
Agriculture is not merely growing crops but more of applied: (RJ ARO Agronomy 2014)
- Ecosystem
- Environment
- Ecology
- Climate
We are growing wheat in plains in winter and high hills in summer due to: (RJ ARO Agronomy 2014)
- Height
- Temperature
- Scenic beauty
- Crop rotation
Rainfall in hills is more towards: (RJ ARO Agronomy 2014)
- Windward side
- Leeward side
- Both Side
- Either Side
Soils in foothills are: (RJ ARO Agronomy 2014)
- Matured
- Immatured
- Fully mature
- None of these
Well-drained volcanic soils are: (RJ ARO Agronomy 2014)
- More fertile
- Less fertile
- Non-fertile
- Useless
Threshold temperature refers to the point at which a stimulus begins to: (RJ ARO Agronomy 2014)
- No response
- Partial response
- Full response
- Bring a response
In slopy lands, the most suitable irrigation method is: (RJ ARO Agronomy 2014)
- Drip
- Check basin
- Sprinkler
- Surface flood
The objective of zero tillage is: (RJ ARO Agronomy 2014)
- To control soil runoff
- To check water runoff
- To control water percolation
- To control soil erosion and allow aggregation
The greenhouse effect is related to: (RJ ARO Agronomy 2014)
- Rise in temperature
- Rise in rainfall
- Rise in precipitation
- Rainfall delay
What is the role of abscisic acid in plants? (RJ ARO Agronomy 2014)
- Increase in growth
- Growth retardation
- Cell elongation
- More branching
Application of cycocel leads to: (RJ ARO Agronomy 2014)
- Retardation of vegetative growth
- Retardation of fruiting
- Retardation of flowering
- Check rooting
Relative growth rate of plants is: (RJ ARO Agronomy 2014)
- More yield with time
- Yield with time
- More growth with time
- Growth with per unit time
The highest density of water is at the temperature of ___ °C: (RJ ARO Agronomy 2014)
What is the temperature range of the stratosphere? (RJ ARO Agronomy 2014)
- -10 to -19 °C
- -45 to -75 °C
- -60 to -85 °C
- -80 to -95 °C
C₃ plants saturate light up to 40,000 to 50,000 lux. What about C₄ plants? (RJ ARO Agronomy 2014)
- ,000-60,000 lux
- ,000-70,000 lux
- ,000-80,000 lux
- ,000-100,000 lux
Freshwater bodies, including rivers and streams, are known as: (RJ ARO Agronomy 2014)
- Lentic
- Lacustrine
- Lotic or riverine
- Palustrine
The pungency and odor in onions is due to: (RJ ARO Agronomy 2014)
- Nitrogen
- Phosphorus
- Potassium
- Sulphur
According to the essentiality criteria of nutrients, which one is correct (without it)? (RJ ARO Agronomy 2014)
- Plant can not complete life cycle
- Plant can complete life cycle
- Plant can not grow
- Plant can grow very well
Free-living N-fixers are: (RJ ARO Agronomy 2014)
- Rhizobia
- Azotobactor
- Azospirillum
- Azotobactor & Azospirillum Both
P fixation in acid soil starts below the pH of: (RJ ARO Agronomy 2014)
Soil moisture could be measured by: (RJ ARO Agronomy 2014)
- Picnometer
- Moisture meter
- Gravimetry method
- Moisture meter & Gravimetry method Both
Micronutrient use efficiency is highest when applied via: (RJ ARO Agronomy 2014)
- Through sprinkler
- Foliar spray
- Soil application
- Through drip irrigation
The largest area under micro-irrigation is in the state of: (RJ ARO Agronomy 2014)
- Bihar
- U.P.
- Rajasthan
- Kerala
Saline soils can be improved by: (RJ ARO Agronomy 2014)
- Leaching
- Gypsum application
- Pyrite application
- Sulphur application
An example of a narrow-leaf weed is: (RJ ARO Agronomy 2014)
- Amaranthus
- Argemone
- Phalaris
- Chenopodium
The viability of weed seeds like lotus remains for: (RJ ARO Agronomy 2014)
- Years
- Years
- Years
- None of these
Which one is NOT a systemic herbicide? (RJ ARO Agronomy 2014)
- Atrazine
- Simazine
- Propanil
- Paraquat
Which is NOT a phenoxy group herbicide? (RJ ARO Agronomy 2014)
- ,4-D
- ,4-DB
- MCPA
- ,3,6-TBA
When is a post-emergence herbicide used? (RJ ARO Agronomy 2014)
- Before germination of the crop
- Before germination of the weed
- After germination of the crop
- After germination of the weed
Application of 2,4-D Na Salt may be avoided in the following soil type to reduce leaching loss: (RJ ARO Agronomy 2014)
- Sandy
- Sandy clay loam
- Clay loam
- Clayey
Which cropping system accommodates the maximum number of crops in a piece of land within a specified time? (RJ ARO Agronomy 2014)
- Mixed cropping
- Relay cropping
- Mixed cropping & Intercropping
- Intercropping
Dry farming means cultivation of crops where rainfall is less than: (RJ ARO Agronomy 2014)
- mm
- mm
- mm
- mm
Under moisture stress in plants, the concentration of photosynthetic assimilates: (RJ ARO Agronomy 2014)
- Decreases
- Increases
- Remains constant
- As usual
Escaping drought by the crops means: (RJ ARO Agronomy 2014)
- Matures within the rainfall period
- Germinates early
- Matures late
- Matures after rain
Under drought conditions, in awned varieties, awns contribute photosynthates about: (RJ ARO Agronomy 2014)
- %
- %
- %
- %
Water infiltration in soil means: (RJ ARO Agronomy 2014)
- Water movement in soil
- Water enters in soil
- Percolation
- Leaching
The most adaptive crop under moisture-limited conditions is: (RJ ARO Agronomy 2014)
- Rice
- Maize
- Wheat
- Sesamum
When a field varies in fertility, which experimental design is appropriate? (RJ ARO Agronomy 2014)
- CRD
- RBD
- Split plot
- Paired row
For a multi-factor study, which experimental design is more appropriate? (RJ ARO Agronomy 2014)
- BRD
- RBD
- CRD
- Split Plot
The dependency of one factor on another could be calculated by the appropriate method: (RJ ARO Agronomy 2014)
- Student T test
- Mean
- Correlation
- Harmonic Mean
India is divided into how many agro-ecological subregions? (RJ ARO Agronomy 2014)
Delta in irrigation is measured in which unit? (RJ ARO Agronomy 2014)
- cm
- Hours
- Cusec
- Liter/Second/ha
The study of desert and dry land management is called: (RJ ARO Agronomy 2014)
- Ecology
- Dry land farming
- Xerophic Science
- Eremology
The threshold wind velocity for chemical spray in field crops is: (RJ ARO Agronomy 2014)
- < 1 km/h
- < 2 km/h
- < 3 km/h
- < 4 km/h
The weed index is calculated as: (RJ ARO Agronomy 2014)
- [(Crop yield of weed-free plot - Crop yield of treated plot) / (Crop yield of weed-free plot)] X 100
- [(Crop yield of weed-free plot - Crop yield of treated plot) / (Crop yield of treated plot)] X 100
- [(Weed dry matter production in treated plot - Weed dry matter production in weed-free plot) / (Weed dry matter production in treated plot)] X 100
- [(Weed dry matter production in treated plot - Weed dry matter production in weed-free plot) / (Weed dry matter production in weed-free plot)] X 100
An all India severe drought year is declared when the spatial coverage of drought is more than: (RJ ARO Agronomy 2014)
- %
- %
- %
- %
Celiac disease in human beings is caused by: (RJ ARO Agronomy 2014)
- Gluten allergy
- Tryptophane Allergy
- Lycine Allergy
- Zein Allergy
Which type of corn comes under the primitive type? (RJ ARO Agronomy 2014)
- Flint corn
- Sweet corn
- Pod corn
- Waxy corn
Which type of N fertilizer should be avoided in paddy crops? (RJ ARO Agronomy 2014)
- Nitrate
- Ammonical
- Amide
- Cyanamide
Climate change means: (RJ ARO Agronomy 2014)
- Diurnal changes in weather parameters
- Weekly changes in weather parameters
- Monthly changes in weather parameters
- Long term (more than 30 years) changes in weather