RPSC Rajasthan ARO Agronomy 2024 Solved Paper (English) — Agri Master Mind
Which one is the example of concentrated organic manure?
- Poultry manure
- Goat manure
- Compost
- Oilcakes
Which mustard crop is known for its hardiness and tolerance to saline and alkaline stress and is commonly grown in Haryana and Rajasthan?
- Toria (Brassica toria)
- Taramira (Eruca sativa)
- Indian Mustard (Brassica juncea)
- Brown Sarson (Brassica rapa)
Azolla is a
- Fern
- Fungi
- Virus
- Bacteria
Which structure is best for water harvesting in dryland areas, especially in Rajasthan?
- Canal
- River
- Check dam
- Tube well
Semi-liquid effluent from livestock consisting of urine and faeces, diluted with water is called
- Sludge
- Slurry
- Sewage
- Slake
In Kera method of sowing wheat, the seed is
- drilled by funnel behind the plough in furrows
- drilled by seed drill
- dropped by hand behind the plough in furrows
- broadcasted by broadcasting method
seeds weight of pearl millet ranges between -
- to 19 g
- to 29 g
- to 0.9 g
- to 9 g
Which one of the following pair is correctly matched?
- Devine - Aspergillus awamori
- Devine - Colletotrichum gloeosporioides
- Devine - Cercospora rodmanii
- Devine - Phytophthora palmivora
Match List-I with List-II…
Agri-silviculture … (2) Trees + Crops
Silvi-pasture … (1) Trees + Pasture/animals
Agri-silvi-pasture … (4) Trees + Crops + Pasture/animals
Agri-silvi-horticulture … (3) Trees + Fruit trees + Crops
Agri-silviculture … (2) Trees + Crops
Silvi-pasture … (1) Trees + Pasture/animals
Agri-silvi-pasture … (4) Trees + Crops + Pasture/animals
Agri-silvi-horticulture … (3) Trees + Fruit trees + Crops
- (A)-(1), (B)-(2), (C)-(3), (D)-(4)
- (A)-(2), (B)-(1), (C)-(3), (D)-(4)
- (A)-(2), (B)-(1), (C)-(4), (D)-(3)
- (A)-(3), (B)-(2), (C)-(1), (D)-(4)
In India, Desert Development Programme was started in the year -
Which of the following is NOT a principle of organic farming?
- Principle of productivity
- Principle of care
- Principle of health
- Principle of fairness
Which one of the following statements is correct?
- The base temperature for wheat is 10°C.
- The extinction coefficient of rice is 0.84.
- The centre of cyclone has less temperature than periphery.
- Moderately low air humidity is favourable for seed set in many crops.
What is the tensile strength range of ramie fibre?
- g/tex
- g/tex
- g/tex
- g/tex
Which states receive the lowest annual rainfall from the South-West monsoon?
- Rajasthan and Gujarat
- Maharashtra and Karnataka
- Tamil Nadu and Jammu & Kashmir
- Punjab and Haryana
In barley, yellow rust disease is caused by -
- Puccinia hordei
- Ustilago nuda
- Puccinia striiformis
- Ustilago hordei
Ratio of the mass of water vapour in a sample of moist air to the total mass of the sample is called as –
- Relative humidity
- Absolute humidity
- Mass mixing ratio
- Specific humidity
The Quality Protein Maize (QPM) has higher amount of -
- Lysine and Tryptophan
- Lysine and Methionine
- Lysine and Leucine
- Tryptophan and Methionine
In plant, available water is
- The water retained in a saturated condition
- The water retained between field capacity & permanent wilting point
- The water retained between field capacity & wilting point
- The water retained between wilting point & permanent wilting point
As per residual sodium carbonate (RSC) in irrigation water, the safe water has
- up to 1.25 mEq/Litre
- to 2.50 mEq/Litre
- to 5.0 mEq/Litre
- mEq/Litre
What has historically been the main approach for long-range weather prediction in India?
- Artificial intelligence
- Remote sensing
- Dynamical method
- Statistical method
In the wheat crop, maximum leaf area is observed at -
- Jointing stage
- Late jointing stage
- Tillering stage
- Flag leaf stage
Which district had the highest absolute net irrigated area in Rajasthan during 2022-23?
- Sri Ganganagar
- Kota
- Bikaner
- Barmer
National Research Centre for Agroforestry at Jhansi was established in the year -
The cardinal minimum temperature ranges between ____ and ____ for warm season crops.
- ° and 5° Celsius
- ° and 10° Celsius
- ° and 18° Celsius
- ° and 15° Celsius
Which of the following is NOT a ‘greenhouse gas’?
-
- CFCs
- Methane
- Nitrogen
Which weed species was the first to be reported with bio-type resistance to triazines in the USA?
- Senecio vulgaris
- Amaranthus retroflexus
- Cyperus rotundus
- Commelina diffusa
The growth index which reflects leafiness of a plant is -
- LAI
- LAD
- NAR
- LAR
‘Zeatin’ belongs to which class of plant growth regulators?
- Cytokinins
- Auxins
- Abscisic acid
- Gibberellins
Which of the following herbicides belongs to the sulphonylurea group?
- Paraquat
- Thiameturon
- Oxyfluorfen
- Acetochlor
What is the mode of pollination in groundnut?
- Cross-pollination by insects
- Self-pollination
- Cross-pollination by wind
- Apomixis
Which of the following small millets occupies the largest area of cultivation in India?
- Kodo millet
- Barnyard millet
- Foxtail millet
- Finger millet
The rate of net photosynthesis is represented by the growth index -
- RGR
- CGR
- NAR
- LAD
Under dryland farming, intercropping of pearl millet with ___ is recommended in Rajasthan.
- Sorghum
- Maize
- Green gram
- Chickpea
Bio-agent used for control of Cyperus rotundus is -
- Altica cyanea
- Zygogramma bicolorata
- Bactra verutana
- Dactylopius indicus
Read the following two statements…
- Both statement (I) and statement (II) are incorrect.
- Both statement (I) and statement (II) are correct.
- Statement (I) is correct, but statement (II) is incorrect.
- Statement (I) is incorrect, but statement (II) is correct.
Which of the following weed is an example of “semi-parasitic weed”?
- Rafflesia
- Cuscuta
- Orobanche
- Striga
The condition where crops are unable to absorb water from soil even when water is available, is called -
- Calamitous drought
- Meteorological drought
- Physiological drought
- Hydrological drought
The number of wheat growing zone in India is -
Which of the following statement is true regarding the effectiveness of Zn sources?
- Inorganic Zn is more effective than chelated Zn at the same rate.
- Soil applied Zn always outperforms foliar applied Zn.
- Zn chelates are more effective than inorganic Zn at similar application rates.
- Zn EDTA is inexpensive and widely used.
Which of the following weed is considered noxious?
- Chenopodium album
- Amaranthus viridis
- Boerhavia diffusa
- Parthenium hysterophorus
Which one of the following group of crops is relatively tolerant to soil salinity?
- Date palm, barley, sugar beet, spinach
- Date palm, barley, lentil, cowpea
- Grapes, barley, groundnut, spinach
- Citrus, barley, sugar beet, cowpea
Which is a major objective of cropping system?
- Efficient use of resources
- Maximize pesticide use
- Reduce biodiversity
- Increase water loss
Clouds which appear as bright red or orange before sunrise and after sunset are -
- Cirro-cumulus
- Cirrus
- Stratus
- Cumulus
Dried safflower flowers are used in Middle-East Asia primarily as a substitute for -
- Red chili powder
- Turmeric
- Rose petals
- Saffron
For attaining a plant population of 1,60,000/ha, if the sorghum seed with 100% germination was planted at a row spacing of 50 cm, then the plant to plant spacing would be -
- cm
- cm
- cm
- cm
Which of the following herbicides is recommended for the management of broad-leaved weeds in wheat crop?
- Isoproturon
- Atrazine
- Fenoxaprop-p-ethyl
- Metsulfuron-methyl
Under which soil condition is maximum ammonia () volatilization most likely to occur?
- Frozen soil surface
- Soil at field capacity with slow drying
- Soil fully saturated with water
- Very dry soil surface
Which pair is NOT correct?
- Molybdenum - Interveinal chlorotic mottling in older leaves.
- Boron - Bushy appearance
- Iron - White to pale yellow chlorosis
- Manganese - Greyish-yellow-brown specks
When electrical conductivity of irrigation water () is lower than soil electrical conductivity () at 0-45 cm depth, what is the best timing for saline water irrigation?
- Middle of winter season
- Just before the onset of monsoon
- Just after the withdrawal of monsoon
- During the maturity period of crop
Which of the following statements is correct to minimise the spray drift?
- Increasing the spray height from the ground
- Lowering the spray height from the ground
- Increasing the delivery pressure
- Spraying when wind is blowing E
Which ions are attracted between the layers of negatively charged clay crystals and are subject to fixation?
- Chloride and bicarbonate
- Magnesium and nitrate
- Sodium and calcium
- Potassium and ammonium
Scientific name of field bindweed is -
- Cichorium intybus
- Cirsium arvense
- Celosia argentea
- Convolvulus arvensis
Headquarters of the All India Coordinated Research Project on Agrometeorology is at -
- New Delhi
- Pune
- Jodhpur
- Hyderabad
Which are the most suitable crops for humid Southern-Eastern Plain zone of Rajasthan?
- Cotton, pearl millet and urdbean
- Maize, sesame and pearl millet
- Sugarcane, maize and mothbean
- Paddy, sorghum and soybean
For data interpretation in Agronomic experiments, ANOVA is valid when following assumptions are satisfied -
Treatment and block effects are additive
Binomial distribution of data are mandatory
Observations have homogenous variances
Experimental errors are independent
Which of the above statements are correct?
Treatment and block effects are additive
Binomial distribution of data are mandatory
Observations have homogenous variances
Experimental errors are independent
Which of the above statements are correct?
- (B), (C) and (D) are correct.
- (A), (C) and (D) are correct.
- (A), (B) and (C) are correct.
- (A), (B), (C) and (D) are correct.
Consider the following Assertion (A) and Reason (R) -
Assertion (A): Butachlor is number one herbicide for rice in India based on its acreage of use.
Reason (R): It controls weeds which emerges late in the season due to its late post-emergence uses.
Choose the correct code -
Assertion (A): Butachlor is number one herbicide for rice in India based on its acreage of use.
Reason (R): It controls weeds which emerges late in the season due to its late post-emergence uses.
Choose the correct code -
- Both (A) and (R) are correct.
- Both (A) and (R) are false.
-
-
- is correct, (R) is false.
-
-
- is correct, (R) is false.
- is correct, (R) is false.
-
- is correct, (R) is false.
- is correct, (R) is false.
- is correct, (R) is false.
-
-
- is correct, (A) is false.
-
-
- is correct, (A) is false.
- is correct, (A) is false.
-
- is correct, (A) is false.
- is correct, (A) is false.
- is correct, (A) is false.
Contribution of agriculture and allied sectors in Indian Economy during the year 2024 was about
- %
- %
- %
- %
Match the following -
List-I (Fertilizer) vs List-II (Equivalent Acidity)
Ammonium sulphate … (iv) 128 (Correction: No)
Correct Values:
Amm Sulphate = 110
Urea = 80
Amm Chloride = 128
ASN = 93
Choose the correct answer -
List-I (Fertilizer) vs List-II (Equivalent Acidity)
Ammonium sulphate … (iv) 128 (Correction: No)
Correct Values:
Amm Sulphate = 110
Urea = 80
Amm Chloride = 128
ASN = 93
Choose the correct answer -
- (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
- (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
- (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
- (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
Which state has the highest average annual potential evapotranspiration (mm)?
- Andhra Pradesh
- Uttar Pradesh
- Karnataka
- Rajasthan
Furfuryl aminopurine, a growth regulator belongs to category -
- Growth inhibitor
- Cytokinin
- Gibberellic acid
- Auxin
Type of farming that combines fish farming with hydroponics is known as
- Peri-urban farming
- Aquaponics
- Apiculture
- Vertical farming
Sowing time of “aman” rice is -
- June-July
- March-April
- May-June
- December-January
Which term is used to denote the group of material to which a treatment is applied in single trial of the experiment?
- Experimental unit
- Critical difference
- Analysis of variance
- Local control
Majority of rainfall in India is received during
- South-East monsoon period
- North-West monsoon period
- South-West monsoon period
- North-East monsoon period
Cyclones in the North America are called -
- Whirlpool
- Hurricane
- Baguio
- Typhoon
The pungency in mustard oil is due to presence of -
- Prussic acid
- Sinigrin
- Dhurrin
- Theonine
Which of the following is NOT a basic principle of experimental design?
- Local control
- Replication
- Critical difference
- Randomization
The arcsine transformation is applied to –
- Percentage/proportional data
- Yield data
- Time series data
- Regression coefficients
Which of the following acts as egg parasitoids?
- Chrysoperla
- Ladybird beetle
- Trichoderma
- Trichogramma
What is the suitable pH for maximum inorganic phosphorus availability in soil?
- to 7.0
- to 6.0
- Below 4.0
- Above 7.0
‘Luxury consumption’ of the plant nutrients is associated with nutrient -
- N
- Zn
- S
- K
The diffused radiation generally has ____ part of photosynthetically active radiation, while global solar radiation has 50%.
- %
- %
- %
- %
____ is a growth retardant used to reduce transpiration losses from plants.
- Atrazine
- Cycocel
- PMA
- Kaolin
What is the title of Lord Northbourne’s book where he introduced the term ‘organic farming’?
- One Straw Revolution
- Soil and Health
- Living Earth
- Look to the Land
Which millet has short duration and tolerance to both drought and waterlogging?
- Proso millet
- Kodo millet
- Little millet
- Finger millet
Why is shallow sowing often less effective in chickpea cultivation, particularly in rainfed and dryland areas?
- Causes seed rotting…
- Results in nutrient leaching.
- Leads to premature flowering.
- Associated with poor germination due to low surface soil moisture.
Which pair is correct?
- Tertiary unit efficiency - Combined efficiency of water conveyance and application
- Irrigation system efficiency - Combined efficiency of water conveyance and distribution
- Field application efficiency
- Distribution efficiency
Cardinal minimum and optimum temperatures for wheat germination are –
- °C and 30-32°C
- °C and 28°C
- °C and 32-35°C
- 5°C and 25°C
The physical condition of soil in relation to tillage is known as
- Conventional tillage
- Tilth
- Surface tillage
- Conservation tillage
Solid bio-fertilizers normally have the shelf life of -
- months
- months
- months
- months
What is relationship between yield of pulses and evapotranspiration?
- Linear
- Quadratic
- Both linear and quadratic
- Antagonistic
Based upon the spatial variability of rainfall, India has been divided into how many meteorological sub-divisions?
Zinc deficiency symptoms initially appear on -
- Older leaves
- Younger leaves
- Middle leaves
- Both older and younger leaves
Out of about 400 million hectare metre average annual precipitation, about ____ million hectare metre percolates to the water table.
Minimum temperature at the height of vegetation is measured by
- Assmann psychrometer
- Maximum thermometer
- Grass minimum thermometer
- Minimum thermometer
The wavelength range of visible photosynthetically active radiation is -
- to 700 nanometre
- More than 840 nanometre
- to 840 nanometre
- Below 400 nanometre
The optimum pH range of soil for availability of most of the plant nutrients is -
- 8.0
- 8.5
- 7.5
- 7.0
Which one of the following is NOT a conservation tillage practice?
- Mulch tillage
- Minimum tillage
- Clean cultivation
- Zero tillage
Which of the following soil minerals have higher phosphorus fixation?
- Illite
- Montmorillonite
- Vermiculite
- Kaolinite
The quantity of water that must be removed from a field within 24 hours typically expressed as the depth of water per unit area or as linear flow per unit time, is known as -
- Drainage coefficient
- Crop coefficient
- Water coefficient
- Irrigation coefficient
Lysimeter is used to measure
- evapotranspiration
- water loss
- total nutrients loss
- consumptive use of water
Cultivating a single crop that generate more than 50% of the total farm income is called -
- Diversified farming
- Specialized farming
- Shifting farming
- Mixed farming
What was the average annual growth rate of India’s agriculture sector during the financial years 2016-17 to 2022-23?
- percent
- percent
- percent
- percent
Which of the following is an example of bio-herbicide?
- Collego
- Glyphosate
- Machete
- Diquat
Which is a systemic herbicide?
- Paraquat
- Diuron
- Simazine
- Glyphosate
Yield of a crop in relation to its total nutrients uptake is known as -
- Apparent recovery
- Internal utilization efficiency
- Physiological efficiency
- Nutrient balance
According to Vavilov, where is ramie considered to be indigenous?
- Central and Western China
- Tropical Africa
- South India
- South America
In rice, both and (Nitrite) reduction takes place mainly in -
- Mesophyll cells
- Vascular cells
- Bundle sheath cells
- Guard cells
The in-situ moisture conservation technique is -
- Contour bunding
- Furrow irrigation
- Sprinkler irrigation
- Canal lining
Nitrate nitrogen content in calcium ammonium nitrate is -
- %
- %
- %
- %
Find out the irrigation period with given data -
• Soil water … before irrigation 10 cm
• Field capacity 20 cm
• Consumptive use rate 8 mm/day
• Irrigation efficiency 60 percent
• Soil water … before irrigation 10 cm
• Field capacity 20 cm
• Consumptive use rate 8 mm/day
• Irrigation efficiency 60 percent
- days
- days
- days
- days
Which of the following herbicide is recommended for transplanted rice?
- Simazine
- Butachlor
- Metoxuron
- Fluchloralin
Effects of El Nino on weather around the globe are -
Drought in India and Indonesia
Maize production decreased in Argentina
Good rainfall in Sahel region of Africa
Destructive floods in USA and Peru
Choose the correct option…
Drought in India and Indonesia
Maize production decreased in Argentina
Good rainfall in Sahel region of Africa
Destructive floods in USA and Peru
Choose the correct option…
- Only (A) and (B)
- Only (B) and (C)
- Only (B) and (D)
- Only (A) and (D)
Of the total annual loss of agricultural produce from various pests in India, weeds roughly accounts for % loss.
Example of “bushy weed” is -
- Chenopodium album
- Prosopis juliflora
- Amaranthus viridis
- Tridax procumbens
The slope of a linear regression line may be -
- May be positive, negative or zero
- Always zero
- Always negative
- Always positive
The term ‘hormone’ is derived from a ____ word.
- Latin
- Anglo-Saxon
- Greek
- Spanish