Test - 30 — Agri Master Mind

End product of Denitrification process is ?
  • N2
  • NO3
  • N2O & N2
  • NH3
Sugar contain in sugarbeet is --- kg/ha ?
  • 20-25 kg
  • 30-40 kg
  • 12-15 kg
  • 45-50 kg
Bench terraces are constructed in --- % land slope area ?
  • 10%
  • 15%
  • 15%
  • 25%
Hydroponics is the technique of cultivation of crops in----
  • Soil
  • Air
  • Water
  • None of these
Capillary water is held between --- to---- atmospheric tension
  • 1000 to 31
  • 31 to 15
  • 31 to 0.3
  • 15 to 0.3
Gummosis and crown toppling in coconut are due to
  • Rhinocerous beetle
  • Black headed caterpiller
  • Red palm Weevil
  • Coconut mites
Currling of leaf upwards and yellowing of terminal cotton shoots is symptoms of which pest?
  • Cotton leaf hopper
  • Pink boll worm
  • Cotton aphid
  • Red cotton bug
The mustard saw fly (Athalia proxima) lays eggs near
  • Flower
  • Roots
  • Leaf margin
  • Soil surface
Horizontal plate seed metering device is used in---
  • Seed drill
  • Planter
  • Transplanter
  • Seed cum fertilizer drill
Hand operated sprayers are operated at pressure--- kg/cm2
  • 7 to 10
  • 10 to 20
  • 1 to 7
  • 20 to 25
Commonly used herbicide under zero tillage is
  • Paraquat
  • Diquat
  • Both a & b
  • Alachlor
Good tilth has --- mm size of aggregates
  • 0 to 2
  • 0 to 3
  • 0 to 4
  • 0 to 5
First dwarf variety of the world which also considered as miracle rice is
  • Jaya
  • Indrayani
  • IR 8
  • TN 1
What is the botanical name of green leaf manuring crop Karanj ?
  • Crotalaria juncea
  • Glyricidic mauculata
  • Pongamia glabra
  • None of these
Green manuring crops are burried just ---- flowering.
  • after
  • any time
  • Before
  • None of these
Organic farming term is coined by
  • Lady Eve Balfour
  • Sir Albert Howard
  • Walter James
  • None of these
Row bone meal contains --- % P2O5
  • 10 to 15
  • 25 to 30
  • 20 to 25
  • 40 to 50
Meeting the needs of present generation without end angering the resources base of future generation is the aim of
  • Organic Agriculture
  • Inorganic Agriculture
  • Sustainable agriculture
  • None of these
Symbiotic nitrogenous bio fertilizer is --
  • Azatobacter
  • Both a & b
  • Rhizobium
  • None of these
Stripping of Sugarcane leaves minimizes the attack of Top
  • shoot borer
  • Early shoot borer
  • Mealy bug
  • Pyrilla
The erosion having channels higher than rills and which can not be removed by tillage operation is called
  • Sheet erosion
  • Splash erosion
  • Gully erosion
  • None of these
Denitrification is
  • Biochemical oxidation of ammonia to nitrate
  • Biochemical process where ammonical nitrogen released from nitrogen containing organic matter
  • Biochemical reduction of nitrate to nitrite and nitrite to gaseous nitrogen
  • None of these
Ammonium sulphate fertilizer contains --- % nitrogen
  • 50
  • 40
  • 20
  • 30
Solid portion of sewage water is
  • Slurry
  • Sewage
  • Sludge
  • Night soil
otassium sulphate contains ---- % K2O (K2SO4)
  • 58
  • 68
  • 48
  • 78
Soils which have high proportion of pore space to solids have --- Bulk density
  • Higher
  • Medium
  • Lower
  • Zero
Who define economics as study of human behaviour as a relationship between ends and scarce means which have alternative uses ?
  • Alfred Marshall
  • Adom Smith
  • Robins
  • None of these
Purchasing power of commodity in terms of other commodity and service is
  • Price
  • Wealth
  • Value
  • Income
A line indicating all possible combination of two inputs which can be purchased with a given amount of investment fund is
  • Isoquant line
  • Isocline
  • Isocost line
  • None of these
Store journal is used to record
  • List of all assests owned by a cultivator
  • Monthly liabilities
  • all kinds of transaction as and when happen
  • All of these
Soil order called as organic soil having more than 20 % organic matter is
  • Entisols
  • Ultisols
  • Histosols
  • Oxisols
Which of the following N fertilizer suitable in Tea crop ?
  • Urea
  • CAN
  • Ammonium nitrate
  • Ammonium sulphate
Example of pre-emergence herbicide is ---
  • 2, 4 D & Thiobencarb
  • Dalapon & Traizine
  • Fluchloralin & Pendimethalin
  • Paraquat & Butachlor
In Pedology Soil is a ---
  • Medium of plant growth
  • Powdered rock mass of the eraths crust
  • Natural body
  • None of these
Deficiency of --- mineral causes interveinal chlorosis of younger leaves
  • B
  • Zn
  • Fe
  • P
Active soil forming factor is
  • Time
  • Topography
  • Vegetation
  • None of these
Abiotic component of ecosystem consists of ---
  • Light, water, animals Animal,
  • Plants, Microorganism Soil organisms,
  • Minerals. Water, Light, Heat, Solar energy
  • water, Mineral
Groundnut cake contain --- % N
  • 1.5
  • 0.5
  • 7.3
  • 5.5
Monsoon is --- word
  • Sanskrit
  • French
  • Arabic
  • Hindi
Pyranometer is used to measure
  • Wind velocity
  • Pressure
  • Radiation
  • Humidity
ICPH 8 is first hybrid of ---- crop developed by ICRISAT.
  • Green gram
  • Black gram
  • Red gram
  • Pea
What is the chromosome number (2n) of Gossyoium hursutum cotton ?
  • 13
  • 15
  • 26
  • 30
Boll shedding in cotton is due to inhibitory effect of ---
  • Auxin
  • Gibbrellin
  • Abscisic acid
  • Ethylene
Crop used for malting for beer and whisky production is---
  • Bajara
  • Sorghum
  • Barley
  • Gram
Safflower oil cake contain ---- % protein.
  • 20 to 30
  • 30 to 40
  • 40 to 50
  • 60 to 70
Organic matter content in soil is --- %
  • 10
  • 15
  • 5
  • 20
Which of the following is secondary mineral ?
  • Mica
  • Feldspar
  • Gypsum
  • Quartz
The original source of phosphate in soil is --
  • Calcite
  • Feldspar
  • Apatite
  • Dolomite
In Onion seed production ---- m isolation distance is maintained.
  • 200
  • 800
  • 1000
  • 500
Which vitamin act as anti-sterility ?
  • D
  • B
  • E
  • C