Agronomy ICAR JRF Test - 16 — Agri Master Mind
The reduced microbial decomposition of a pesticide in the presence of some chemical, called extender is termed as :
- Biostatic effect
- Chemistatic effect
- Physicostatic effect
- None of these
The non-residual herbicides are active on plants only through :
- Roots
- Shoots
- Both roots and shoots
- None of these
Weeds that has become an integral part of a crop ecosystem are :
- Noxious weeds
- Parasitic weeds
- Satellite weeds
- Obligate weeds
The petroleum oil with 14-25% aromatic content, used for selective weed control are called :
- Crop oil
- Weed oil
- Petroleum oil
- All of the above
Which one of the following crops are used for fluchloralin bioassay :
- Corn and soybean
- Oats and cucumber
- Soybean and mustard
- Grain sorghum
For the first time in the world, the triazine resistance in USA in 1970 was detected in which weed :
- Senecio vulgaris
- Chenopodium album
- Phalaris minor
- Loliumrigidium
The practice for herbicide resistance management in weeds include :
- Crop rotation and tillage
- Herbicide mixtures and rotations
- Transgenic crop plants
- All of the above
Who defined the term weed as a plant out of place :
- Rademacher
- Blatchley
- Jethro Tull
- None of these
Which one of the following pesticides is consumed in the largest quantity in India :
- Herbicides
- Fungicides
- Insecticides
- Rodenticides
The trade name of Pretilachlor+safener is :
- Sofit
- Grasp
- Liberty
- Hoegrass
Which one of the following herbicides are banned in India :
- Nitrofen
- PCP
- MSMA
- All of the above
The Anilophos in rice should be applied at :
- 30-35 DAS
- 3-5 DAT
- 10-15 DAT
- 5-10 DAT
The Isoproturon application in wheat should be made as :
- Pre-emergence
- PPI
- Post-emergence
- None of these
Which chemical is secreted from spurge :
- Gallic acid
- Phlorizin
- Camphor
- Bialaphos
Strigol, a highly active stimulant of Striga seed germination was isolated and identified in root exudates from hydroponically grown :
- Wheat
- Cotton
- Jute
- Dhaincha
Which are the best examples of basophiles :
- Puccinalliasp
- Elytrigiarepens
- Cynodondactylon
- Both a and b
In eastern parts of the country, sugarcane is rotate mostly with :
- Jute
- Tea
- Paddy
- Wheat
The Indian Institute of Sugarcane Research (IISR) is located at :
- Coimbatore
- Lucknow
- Kanpur
- New Delhi
Sugarbeet is essentially a crop of the----regions :
- Tropical
- Sub-tropical
- Temperate
- All of the above
The climate required for jute cultivation is :
- Cool and dry
- Warm and humid
- Cool and humid
- Warm and dry
The ash of water hyacinth is a rich source of :
- N
- P
- K
- S
Retting is a ---- process :
- Physical
- Chemical
- Microbiological
- All of the above
Which on of the following practice deteriorates the quality of jute fiber :
- Over-retting
- Under-retting
- Both a and b
- None of these
Variety of sorghum having high stand tolerance :
- CSV-1
- CSV-2
- CSV-3
- CSV-4
The germination of sunhemd seed is :
- Epigeal
- Hypogeal
- Pseudo-epigeal
- Pseudo-hypogeal
The linseed fibre is chiefly composed of :
- Lignin
- Cellulose
- Starch
- All of the above
The Guntur district of Andhra Pardesh is famous for the cultivation of :
- Castor
- Tobacco
- Cotton
- All of the above
The tabacco leaves are cured after harvesting in oreder to impart the required---- the final product :
- Colour
- Texture
- Aroma
- All of these
Which crop belongs to the family liliaceae :
- Linseed
- Onion
- Sesame
- All of the above
Which one of the following fodder species has perennial growth habit :
- Lucerne
- Napier
- Para grass
- All of the above
The Indian Grassland and fooder Research Institue (IGFRI) is located at :
- Jhansi
- Dehradun
- Gwalior
- Ranchi
The scientific name of turmeric is :
- Piper nigrum
- Curcuma longa
- Zingiberofficinale
- None of these
Which is the largest producer of isabgol in the country :
- Rajasthan
- Uttar Pradesh
- Gujarat
- Sikkim
The crop suitable for malting is :
- Sorghum
- Barley
- Ragi
- Potato
The United Planters Association of South India (UPASI) is located at :
- Coimbatore
- Bengaluru
- Hyderabad
- Cochin
Which is known as the Queen of beverages :
- Coffee
- Cocoa
- Tea
- None of these
The second largest producer of tea in the country is :
- Assam
- West Bengal
- Tamil Nadu
- Kerala
The fruit of coffee is botanically in the country is :
- Drupe
- pepo
- Capsule
- Lomantum
Coffee is native to :
- India
- Ethiopia
- Afghanistan
- USA
Central Coffee Research Institute is situated at :
- Balahanur, Karnataka
- Chennai, Tamil Nadu
- Hyderabad, Andhra Pradesh
- None of these
Which crop is known as small holders irrigated crop :
- Rubber
- Oil palm
- Arecanut
- Coffee
Which crop gives the highest edible oil on per unit area :
- Oil palm
- Groundnut
- Mustard
- Sesame
Which state covers the maximum area under oil palm in India :
- Karnataka
- Tamil Nadu
- Andhra Pradesh
- Kerala
The scientific names are written in which of the following languages :
- English
- Latin
- Greek
- Roman
The lines joining the places of equal crop yield are designated as :
- Isoiketes
- Isopleths
- Isohythes
- Isophane
A line drawn on a map through all points having the same value of some measurable quantity
The tillering in wheat depends on :
- Humidity
- Temperature
- Fertilizers
- Wind velocity
The highest acreage under rice cultivation is in :
- Punjab
- Uttar Pradesh
- West Benagl
- Assam
The sheling percentage in groundnut ranges in between :
- 50-60
- 60-65
- 65-75
- 75-80
The foremost stage in water erosion is :
- Sheet erosion
- Rill erosion
- Splash erosion
- Gully erosion
The soil erosion which combine eroding effects of both wind and water is termed as :
- Wave erosion
- Sea shore erosion
- Both a and b
- None of the above
Bushel is equal to ----lbs:
- 60
- 80
- 100
- 120
Which practice is central to the development of sustainable food production systems :
- Production Technology
- Soil management
- Both of the above
- None of the above
The tillage and planting system that keeps at least 30%of residues on the surface is Called :
- Reduced till
- No-till
- Strip-till
- Mulch till
A grassland with scattered trees often a transitional type between true grassland and forest is known as :
- Savanna
- Prairies
- Downs
- Steppes
The vertical much is a :
- Vegetative mulch
- Straw mulch
- Dust mulch
- Plastic mulch
The vertical distance from the initial soil surface to a specific point of penetration of the tool is termed as :
- Tillage action
- Tillability
- Tillage depth
- Till
The removal of a fairly uniform layer of soil or material from the land surface by the action of rainfall and runoff water is called :
- Splash erosion
- Sheet erosion
- Rill erosion
- Gully erosion
The ratio of the velocity of light in a vaccum to its velocity in the medium is an expression of :
- Reflective index
- Refractive index
- Radiation flux
- None of above
The depth of normal ploughing is upto :
- 15 cm
- 30 cm
- 20 cm
- 25 cm
The mass of soil cut, lifted and thrown to one side of an implement is called :
- Furrow wall
- Furrow sole
- Furrow slice
- None of the above
A water bearing formation in the ground that will yield enough water is termed :
- Water table
- Aquifer
- Water pond
- None of the above
The predominant cropping system followed in Punjab, Haryana and western U P is :
- Cotton-wheat
- Rice-wheat
- Rice-rice
- Rice-sugarcane
The SI unit temperature measurement is :
- R
The relationship between the amount of heat and plant development was first quantified by :
- Celcius
- Reaumer
- Kelvin
- Fahrenheit
The methane is ---- times effective for green house effect than CO2 :
- 15
- 20
- 25
- 30
The medium range weather forecasts are valid for :
- 3 days
- 3-10 days
- >10 days
- All of the above
The mean distance between the sun and earth is around----million Km. :
- 100
- 150
- 200
- 250
How much time the light from the sun takes to reach the earth :
- 1 second
- 1 minute
- 8 second
- 8 minute
Plant growth and development are primarily governed by the environmental conditions of the :
- Soil
- Climate
- Both of th above
- None of these
The palmer drought index used to quantify drought takes into account :
- Rainfall
- ET
- Soil moisture
- All of these
The areas of high annual PET are :
- Jaisalmer
- Tuticorin
- Both of these
- None of these
The ozone gas is concentrated in which layer of the atmosphere :
- Mesosphere
- Stratosphere
- Lonosphere
- Troposphere
The thermal raditation emitted by the earth is called :
- Solar radiation
- Terrestrial radiation
- Insolation
- None of these
Which sunshine recorder is used in meteorological observations in India :
- Photochemical
- Cambell stokes
- Photo-voltic
- None of these
The dry adiabatic lapse rate (DALR) is ---- per kilometre :
- 6.5
- 3.5
- 10.0
- 10
The heat flow into or out of the soil is called :
- Soil heat flux
- Soil heat influx
- Soil heat outflux
- None of these
The wind direction is most commonly indicated by :
- Anemometer
- Wind vane
- Barometer
- Barograph
When the weight of air sample including water vapour is 3 kg and the weight of water vapour is 18 g, the specific humidity will be :
- 0.17g kg-1
- 6g kg-1
- 166.67g kg-1
- 0.006 g kg-1
When the water vapour required for saturation of a parcel of air is 50 g and the actual amount of water vapour present is 30 g, the RH will be :
- 40%
- 60%
- 80%
- None of these
Rime is a :
- Freezing rain
- Glaze
- Freezing fog
- Mist
Which one of the following clouds are associated with steady precipitation :
- Cumulo-nimbus
- Nimbo-stratus
- Cumulus
- Strato-cumulus
The low-pressure areas near the equator are called :
- Horse-latiudes
- Furious fifties
- Doldrums
- Roaring forties
The long range weather forecasts are issued----in an year :
- Once
- Twice
- Thrice
- None of these
Which type of weather forcasts are useful for chosing cropping patterns :
- Short range
- Medium range
- Long range
- All of these
The multiple regression equation developed to predict annual rainfall is based on ----parameters :
- 18
- 16
- 14
- 12
The headquarters of ICAR is inclided in which agro-climatic zone :
- Middle Gangetic plains
- Upper Gangetic plains
- Tran-Gangetic plains
- Lower Gangetic plains
Which one of the following makes a falling rain drop spherical :
- Surface tension
- Viscosity
- Adhesion
- Cohesion
The water potential of air at 100% relative humidity is always :
- 0
- 1
- 10
- 100
The base temperature for rice maize and pearlmillet is :
- 4.5
- 10
- 10-12
- 12-14
For every one molecule of chlorine from chlorofluorocarbon (CFC), about ---- molecules of ozone are removed from ozone layer :
- 100
- 1,000
- 10,000
- 1,00,00
High diversity, renewable and biodegradable inputs are used in :
- Sustainable Agriculture
- Modern Agriculture
- Conventional Agriculture
- All of these
Who stated that "the distribution of plant species on the earth is not uniform" :
- N I Vavilov
- De Candolle
- Darlington
- None of these
The theory of drought injury was advanced by :
- Iljin
- Burton
- Suneson
- Levitt
The plants killed by exposure for 60 hours to temperatures of 0.5 to 5 include :
- Cotton
- Rice
- Cowpea
- All of these
The amount of light received at a distance of one meter from a standard candle is known as :
- Foot candle
- Lux
- Joule
- Erg
The direction towards which the wind blows is known as :
- Leeward
- Windward
- Sideward
- None of these
The annual average world precipitation is :
- 1000 mm
- 1200 mm
- 575
- 100 mm
The classification of climate suitable for agricultural purposes was proposed by :
- Koppen
- Troll
- Thornthwaite
- De Candolle
Who was the first person to classify climate based on weather elements :
- Koppen
- De Candolle
- Troll
- Thornthwaite
The MDI of semi-arid areas ranges from :
- 0 to -33.3
- -33.3 to -66.6
- > - 66.6
- None of these
What is the name of the new type of Urea launched by PM Modi during his visit to Rajasthan
- Sulphur Urea
- Iron Urea
- Neem Urea
- Urea Gold
National Mango Day celebrated on which date
- July 23
- July 20
- July 21
- July 22
India and which country will jointly host a two-day ‘India-Africa International Millet Conference’ on 30 –31 August 2023
- Kenya
- Japan
- France
Where Chokuwa rice grown
- Rajasthan
- Assam
- Sikkim
- Meghalaya
National Fish Farmers Day celebrated on which date
- July 12
- July 09
- July 10
- July 11
MukhyaMantri Khet Suraksha Yojana was implemented in which state
- Rajasthan
- Tamil Nadu
- Uttar Pradesh
- Assam
Which dairy brand has been ranked as the world’s strongest dairy, according to the Brand Finance Food and Drink Report 2023
- Fonterra (New Zealand)
- Amul (India)
- Arla Foods (Denmark)
- Mengniu (China)
Which Agricultural University developed the ‘PBW RS1’ wheat variety to control obesity and diabetes
- Pant Nagar Agriculture university
- Punjab Agricultural University
- Rajasthan Agriculture University
- Himachal Pradesh Agriculture University
TI Clean Mobility Pvt.Ltd. has started setting up an e-tractor factory in which Indian city
- Guwahati
- Chennai
- Pune
- New Delhi
Which banana variety native to Kanniyakumarihas been granted a Geographical Indication (GI) tag
- Matti banana
- Apple banana
- Plantain banana
- Cavendish banana
Yellow color of egg is due to
- Carotene
- Anthocyanin
- Xanthophyll
- Vitamin B
Best pH for semen preservation is
- 7.2
- 7.4
- 6.8
- 6.4
In SWOT analysis T is
- Things
- Thoughts
- Threats
- Tests
Urea is ---- type of fertilizer
- Complex
- Mix
- Straight
- Combine
Nationalization of bank was carried on
- 19th June, 1969
- 19th Aug, 1969
- 19th July, 1969
- 19th Dec., 1979
When MC=MR=AC=AR shows long run, equilibrium positive of the
- Monopolist firm
- Oligopolist firm
- Competitive firm
- None of these
Lime is used as soil amendments to reclaim
- Saline soil
- Sodic soil
- Acidic soil
- Alkaline soil
Organic matter = organic carbon x ---
- 3.72
- 5.72
- 1.72
- 7.72
Smallest breed of sheep in India is ---
- Deccani
- Nellore
- Mandya
- Marwari
Hedging is a technique to protect traders from
- Extreme market demand
- Extreme market supply
- Extreme falls of price
- None of these