Agronomy ICAR JRF Test - 14 — Agri Master Mind
If the selectivity index of herbicides is higher,----will be the safety :
- Lesser
- Greater
- Equal
- None of these
The maize composite Diara-3 is recommended for :
- Hills of Uttaranchal
- Indo-Gangetic Plains
- Flood prone areas
- Rajasthan and Haryana
A rice grain is said to be extra long if it ---- mm or more :
- 6.0
- 6.5
- 7.0
- 7.5
The optimum plant population (lakhs/ha) for rainfedrabi sorghum is :
- 1.00
- 1.35
- 1.50
- 1.80
Which one of the following is a ariety of kabuli gram :
- Pusa-209
- Pusa-267
- K-850
- Radhey
Potato tuber is a :
- Modified root
- Adventitious root
- Modified stem
- Root
The headquarters of National Institute of Organic Farming (NIOF) is located at :
- Faridabad
- Ghaziabad
- Allahabad
- secunderabad
The main advantage of organic farming is :
- Increased production/unit area
- Sustainable production
- Decreased cost of cultivation
- All of the above
Which of the following herbicide can be used in most cereals, pulses and oilseed crops :
- Butachlor
- Atrazine
- Diuron
- Pendimethalin
Which of the following states has the largest area under drip irrigation :
- Uttar Pradesh
- Maharashtra
- Andhra Pradesh
- Rajasthan
Moisture Deficiency Index (MDI) can be given by :
- (P-PE)/PE x 100
- (PE-P)/P x 100
- (P-PE)/ 100 x PE
- (PE-P)/100 x 100
Sustainable agriculture aims at :
- Sustaining the level of productivity
- Sustaining the health of soil
- Safety of the environment
- All of the above
The biological control of Parthenium could be accomplished by :
- Diacrisiaobiliqua
- Mexican gall fly
- Phytomyza fly
- Lace bug
If a farmer wants to apply atrazine 80%@0.75 kg/ha in 1.5 hectares of maize, the required amount of atrazine will be :
- 1.20 kg
- 1.12 kg
- 1.41 kg
- 1.55 kg
Altitude of a place is the height of that place above mean----level :
- River
- Sea
- Canal
- Bus terminus
The optimum temperature for growh of sugarcane is :
- 20-25
- 25-30
- 30-35
- 35-40
Which weed can be used for the reclamation of alkali soils :
- Argemone
- Amaranthus
- Chenopodium
- Phalaris
Which plantation crop is known as the kalpavriksha or the tree of heaven :
- Tea
- Coffee
- Rubber
- Coconut
The coconut fibre known as coir is extracted from the :
- Nut
- Husk
- Both a and b
- None
The groundnut pegs are :
- Negatively grotropic
- Positively geotropic
- Both of the above
- None of these
The major part of N uptake in maize is over by :
- Tasseling stage
- Silking stage
- Germination stage
- None of these
The groundnut cultivation is extended to the sub-tropical countries lying between latitudes :
- 43 N to 35 S
- 35 N to 45 S
- 35 S to 45 S
- None of these
The yields of the cereal crops following groundnut are usually increased by about----percent :
- 15
- 25
- 35
- 45
The bunch type varieties of groundnut include :
- TMV 2 and TMV 7
- AK 12-24 and Jyothi
- Pol 1 and Pol 2
- All of the above
The crop popularly known as miracle crop is :
- Soybean
- Maize
- Rice
- Sorghum
The oil of rapeseed and mustard possesses a sizeable amount of :
- Erucic acid
- Oleic and linoleic acids
- Linolenic acid
- All of the above
The protein content in rapeseed and mustard normally ranges between----on the whole seed basis :
- 25-30
- 35-40
- 45-50
- 40-45
The primary center of origin of sesame is :
- India
- Japan
- Africa
- USA
The fruit sesame is called :
- Siliqua
- Silicula
- Capsule
- None of these
Castor is originated in :
- Afghanistan
- Ethiopia
- Nigeria
- Egypt
Which is the largest jute producing state in India :
- West Bengal
- Orissa
- Assam
- Tripura
Tara and Manjira are the varieties of :
- Sunflower
- Safflower
- Castor
- Linseed
The common example of brush weeds in India include :
- Lantana and Acacia Arabica
- Prosopisjuliflora and Zizyphusrotundifolia
- Both of the above
- None of these
The weed(s) which grow best under shady, cool and moist habitat includes :
- Cichoriumintybus
- Coronopusdidymus
- Both of the above
- None of these
The objectionable weed present in lucerne is :
- Ciehorium
- Cuscuta
- Argemone
- Melilotus
The repeated light application of flame to plant shoots can destroy even roots of the perennial weeds is referred to as :
- Searing
- Flamming
- Burning
- None of these
Crop roations are effective in controlling-----weeds :
- Annual
- Perennial
- Both of the above
- None of these
The deep flooding of fallow fields with rain water for 2-3 months to control weeds, followed in Madhya Pradesh is locally called :
- Chaufali
- Haveli
- Saheli
- None of these
Which one of the following is not a secondary tillage implement :
- M B Plough
- Harrow
- Cultivator
- Weeder-mulchers
The row cultivation aims at :
- Weed control
- Moisture conservation
- Better soil aeration
- All of the above
The technique of soil solarisation involves covering the soil with----polyethylene film during the hotter part of summer months, for 2-4 weeks :
- Opaque
- Transparent
- Semi-transparent
- All of the above
The soil solarisation tolerant (SST) weed species is/are :
- Phalaris
- Avena
- Melilotus
- All of the above
The persistence of herbicides in soil is a function of :
- Herbicide structure and rate of application
- Soil tyoe and climate
- Both of the above
- None of these
Which one of the following are non-residual or very short persistence herbicides :
- Paraquat and Diquat
- Amitrole and DSMA
- Both of the above
- None of these
The temporary soil sterilants sterilize the soil up to----weeks :
- 4
- 8
- 12
- 16
The direct contact application (DCA) of herbicide may be achieved by using :
- Herbicide wax bars
- Herbicide cloth mulch
- Herbicide rouging gloves
- All of these
Which herbicide in sorghum may increase its dhurrin glucoside content to fatal levels :
- Simazine
- Atrazine
- 2, 4-D
- All of these
A herbicide formulation contains a.i. of 0.4 kg/l and the desired rate of application is 1.5 kgha-1. Calculate the volume of herbicide formulation requird for 1 ha area :
- 3.75 l
- 2.75 l
- 0.375 l
- 37.5 l
While applying a herbicide spray mixture in a 33.3 cm wide band in a 100 cm wide row spacing crop, how much spray liquid will be used for 1 ha crop area if the application rate for the broadcast spray was recommended at 18 l/ha :
- 6 l
- 3 l
- 9 l
- 12 l
The blowers are used for the even application of :
- Dust forms
- Emulsion forms
- Granular herbicides
- All of these
The--- name of a herbicide is a technically accepted abbreviation of its--- name :
- Common and chemical, respectively
- Chemical and common, respectively
- Common and trade, respectively
- Chemical and trade, respectively
The chemical name of MCPB is :
- 4-chloro-2-methylphenoxy acetate
- 4-(4 Chloro-2-methylphenoxy) butyrate
- 2, 4-dichlorophenoxy butyric acid
- 2, 4-dichlorophenoxy acetic acid
1,1'-dimethy1-4,4' –bipyridinium ion is a chemical name of :
- Paraquat
- Diquat
- Cyperaquat
- None of these
Whichherbicide(s) is/are cationic in nature :
- Diquat and Paraquat
- 2, 4-D and MCPA
- Atrazine and Simazine
- Alachlor and Butachlor
3', 4' –dichloropropionalide is the chemical name of :
- Pretilachlor
- Propachlor
- Butachlor
- Propanil
Which one of the following is an asymmetrical triazine herbicide :
- Atrazine
- Simazine
- Metribuzin
- Prometryn
Which herbicide group forms about half of all herbicides used in the world :
- Triazines
- Phenoxy
- Ureas
- Carbamates
The ratio of the rates of esters, amine salts and sodium salt of 2, 4-D to obtain equal phytotoxicity on the susceptible plant is :
- 1.0 : 2.0 : 1.5
- 1.5 : 1.0 : 2.0
- 1.0 : 1.5 : 2.0
- 2.0 : 1.5 : 1.0
Which formulation of 2, 4-D is resistant to leaching :
- Amine salts
- Esters
- Sodium salts
- None of these
The persistence of 2, 4-D in soil is for :
- 2-4 weeks
- 6-8 weeks
- 4-6 weeks
- 8-10
The effective rates of application of Tralkoxydim in wheat are----kg a.i. ha-1 :
- 0.50-0.75
- 0.25-0.30
- 0.50-1.50
- 0.10-0.15
The molecules with clear electropositive and electronegative regions are known as ----- compounds :
- Polar
- Apolar
- Lipophilic
- Lipophobic
The root mobile herbicides translocate acropetally along the transpiration stream through :
- Phloem
- Xylem
- Both of the above
- None of these
Sunflower was introduced in India from :
- USA
- UK
- Russia
- Australia
When in metabolic reactions of herbicides the intermediate chemical structures prove more phytotoxic than the parent compound, the process is called :
- Metabolism
- Resverse metabolism
- Conjugation
- None of these
The herbicide resistant crop plants produced by genetic engineering are called :
- Transgenic crop plants
- Transgressive crop plants
- Carcinogenic plants
- All of these
Which one of the following is not included in adiuvants of herbicides :
- Surfactants
- Solvents
- Stickers
- None of these
Which one of the following is classified as highly volatile herbicide :
- EPTC
- Trifluralin
- Fluchloralin
- All of the above
2, 4-DB and MCPB are biodegraded in soils by double action of fungus :
- Cleviceps fusiformis
- Aspergillus niger
- Aspergillus fumigatus
- All of the above
The biodegradation of 2, 4-D takes place through the action of :
- Bacteria
- Fungi
- Actinomycetes
- All of the above
Which one of the following herbicides are susceptible to photodecomposltion :
- Trifluralin
- Nitralin
- Chloramben
- All of the above
Which one of the following is popularly known as a camel crop :
- Maize
- Pearlmillet
- Sorghum
- Mothbean
The transgenic crop plants are presently produced by ---- gene transfer technique :
- Agrobacterium-mediated
- Bacillus-mediated
- Pseudomonas-mediated
- All of the above
The herbicides with vapour pressure greater than---- mm Hg at room temperature are considered volatile :
- 2 x 10-5
- 3 x 10-5
- 1 x 10-5
- 4 x 10-5
The most suitable temperature for the action of the most herbicides is :
- 15-20
- 20-25
- 35-40
- 30-35
The physical movement of air borne spray particles is called :
- Spray drift
- Vapour drift
- Spray volume
- None of these
The rust-infested wheat is ----susceptible to 2, 4-D than the rust-free, healthy crop :
- More
- Less
- Equally
- None of these
Generally the diseased and insect eaten crops prove----susceptible to herbicides than healthy crops :
- Less
- More
- Equally
- None of these
The weed species of most common occurrence throughout the rice world is :
- Echinochloacolonum and Echinochloacrusgalli
- Echinochloacolonum and Commelinabengalensis
- Echinochloacrusgalli and Cyperusrotundus
- All of the above
Which one of the following rice cultivars have purple leaves :
- P-502 and R-575
- L-12 and CP-1
- RH-10 and Basmati-370
- Both a and b
The parasitic weed which poses a special weed problem in millets is :
- Cuscuta
- Orobanche
- Striga
- Loranthus
Which herbicide should be applied in wheat/mustard intercropping as post emergence application :
- Pendimethalin
- Oxyflourfen
- Isoproturon
- All of these
The pre-emergence herbicide used in maize/soybean intercropping is :
- Isoproturon
- Fluchloralin
- Pendimethalin
- Metolachlor
When weeds and brushes have infested a grassland to render it unfit for grazing, it is called a ----grassland :
- Degraded
- Mixed
- Degenerate
- Weedy
Which type of the soil sterilants are useful on crop lands :
- Permanent
- Temporary
- Semi-permanent
- All of the above
Which is an example of temporary soil sterilant :
- Steam
- Calcium cynamide
- Both of the above
- None of these
The principal wild oat species in Africa is :
- Avenafatua
- Avenaludoviciana
- Avenasterilis
- All of the above
The wild oat can be distinguished from wheat plants by its :
- Large ligule, absence of auricles and anticlockwise twist of leaves
- Large auricles, absence of ligule and clockwise twist of leaves
- Smal ligule, absence of auricles and anti-clockwise twist of leaves
- None of these
Which striga species is common in Asia :
- Strigadensiflora
- Strigalutea
- Strigahermonthica
- All of these
Which one of the following are considered suitable trap crops of striga :
- Cotton, sunflower, cowpea, groundnut and castor
- Wheat, barley, maize and pearlmillet
- Mustard, rice, soybean and mothbean
- All of the above
Which one of the following chemicals are used for suicidal germination of striga :
- Strigol
- Ethylene
- GR 45 and GR 7
- All of the above
Which Orobanche species infests tobacco and sunflower :
- Orobanchecrenata
- Orobanchecernua
- Orobanche ramose
- Orobancheaegyptiaca
Which of the following grounded plants act as stimulant of Orobanche seeds :
- Sunflower
- Safflower
- Mustard
- Soybean
Partheniumhysterophorus produces about----seeds per plant :
- 10,000-30,000
- 5,000-10,000
- 500-1,000
- 100-500
Which weed is notorious for causing allergic dermatitis and mental depression in human beings :
- Striga
- Opuntia
- Parthenium
- Orobanche
The use of herbicides insteada of tillage to kill volunteer vegetation on the fallow fields is called :
- Chemical fallowing
- Physical fallowing
- Tillage fallowing
- None of these
Which weed lives only in waterlogged soils :
- Typhasp
- Imperata cylindrical
- Elytrigiarepens
- All of the above
Which one of the following weeds are the best examples of weed dissemination by water :
- Ambrosia
- Amaranthus
- Xanthium
- All of the above
Phalaris minor is mainly disseminated by :
- Man
- Birds
- Water
- Wind
The example of submerged aquatic weed is :
- Potamogenton
- Utricularia
- Heteranthera
- All of these
The President inaugurate the 2nd ‘Indian Rice Congress’ In which city
- Bhubaneshwar
- Raurkela
- Cuttack
- Brahmapur
The National Herbs and Spices Day celebrated in India on which date
- June 14
- June 08
- June 09
- June 10
Dr Mansukh Mandaviyainaugurate IFFCO Nano Urea In which state
- Andhra Pradesh
- Arunachal Pradesh
- Madhya Pradesh
- Uttar Pradesh
Recently to which state’s the ‘Kari Ishad Mango’, received a GI tag
- Karnataka
- Bihar
- Sikkim
- Kerala
Where did the India International Seafood Show conclude
- Kolkata
- Kanpur
- Ayodhya
- Lucknow
Which IIT, has developed India’s first dimethyl ether-fueled tractor along with tractor major TAFE
- IIT Kanpur
- IIT Madras
- IIT Mumbai
- IIT Delhi
In which state the third phase of Sagar Parikrama begin, with aimed to resolve fishermen’s issues
- Nagaland
- Gujarat
- MP
- Odisha
The agricultural festival known as Raja celebrated In which state is
- Assam
- Goa
- Kerala
- Odisha
Recently which instalment was provided by the govt of India under the income support scheme for farmers
- 8
- 9
- 10
- 17
What is the upper cap of landholding for the farmer to register under PMKISAN
- 1ha
- 2ha
- 3ha
- 4ha
Seed rate of lentil crop is ---kg/ha
- 12 to 15
- 20 to 25
- 30 to 40
- 45 to 50
Phala blight of sugarcane is caused by
- Bacteria
- Virus
- Deficiency of Mn
- Fungus
In Co-operative better farming ownership and operation is
- Collective
- Individual
- Both a & b
- None of these
What is the relationship between AM, GM & HM ?
- AM =GM =HM
- AM<GM<HM
- AM>GM>HM
- AMHM
National academy for agriculture research management located at --
- Delhi
- Pune
- Hyderabad
- Kanpur
National agriculture innovation project started in the year
- 2005
- 2008
- 2006
- 2010
Phule Triveni cow evolved by crossing of Holstin Frisean, Jersey and ---
- Sahiwal
- Khillar
- Gir
- Siri
Sawai Chal is important character of ---- breed ?
- Dangi
- Deoni
- Kankrej
- Dangi
Sporophytic system of self incompability is discovered by
- Stadler
- Flor
- Hughes and Babcock
- Hull
Which state government started the ‘One-Tap-One-Tree’ campaign
- Sikkim
- Maharashtra
- Uttar Pradesh
- Madhya Pradesh