• Drip irrigation developed from: Israel
  • Utera technique is used in: Chhattisgarh
  • Nutrient highly mobile in soil but not in plants: Calcium
  • Micro nutrient availability increases with increasing pH: Molybdenum
  • Plant is successfully grown in saline soil: Date palm
  • Herbicide called “Total System Killer”: Paraquat
  • Mustard fruit is: Siliqua
  • Main function of Cobalt (Co): Nitrogen fixation
  • DAP is a: Complex fertilizer
  • Cyanobacteria is a: Blue-Green Algae (BGA)
  • Alkaline soil reclaimed by: Gypsum
  • Origin of Cardamom: India
  • Number of Agro climatic zones in India: 15
  • Most commonly used evaporimeter in India: Pan Evaporimeter
  • Optimum temperature for tuber formation in potato: 18-20°C
  • Interveinal chlorosis of young leaves while the leaves and plants remain generally green in color: Manganese (Mn)
  • Susceptibility of soil to erosion is termed: Soil Erodibility
  • Response curve of fertilizer in crop plants is: Quadratic
  • When FYM is applied with a higher C
  • ratio, the process that starts is: Immobilization
  • Bacteria responsible for the conversion of ammonia to nitrite: Nitrosomonas
  • Directorate of Wheat Research located in: Karnal
  • QPM is related to: Maize
  • PF value of permanent wilting point: 4.2
  • Seed rate of soybean: 70-80 kg/ha
  • Water erosion is maximum in: North East region
  • Soil with the highest water holding capacity: Clay
  • Albedo is also called: Reflected radiation
  • Best use of tensiometer in: Sandy soil
  • Specific heat of organic soil: 0.5
  • Waterlogged area in India: 1.5 m/ha
  • Fungicide used for internal seed-borne disease: Thiram
  • Source of Boron in soil: Tourmaline
  • Total salinity-affected area in the country: 7 M/ha
  • Highest oil content crop: Coconut
  • Most sensitive crop for spray of 2,4-D: Cotton
  • Hybrid variety of cabbage: Shree Ganesh Gol
  • Priya is a popular variety of: Watermelon
  • Energy-rich crop: Soybean
  • Capability classes VI and VII of soil are suitable for: Pasture and fiber
  • Crop known as the “camel crop”: Sorghum
  • Element deficiency causing yellowish symptoms on apical buds: Calcium (Ca)
  • Herbicide absorbed by root and young coleoptiles transferred in which direction: Acropetal
  • Material easily decomposed by microorganisms: Sugar
  • Sandy soil contains the maximum amount of: Quartz
  • Seed directly produced under the control of originating breeder is known as: Nucleus seed
  • Maximum spray drift losses occur in which type of spray: Ultra low volume spray
  • Aflatoxin is developed by: Fungi
  • Greenhouse gases accumulate in which layer: Stratosphere
  • Fertilizer element that improves fruit quality: Potash
  • Law of minimum was given by: J.V. Liebig
  • Nitrification inhibitor: N-Serve
  • Most sensitive and critical moisture stage in sugarcane: Grand growth
  • Gas highly responsible for global warming: CO2
  • Aroma in fruits is due to: Phenols/Esters
  • Instrument used for measuring water level depth: Piezometer
  • Plant requiring critical day length for induced flowering is known as: Intermediate day length
  • Directorate of water management research is located in: Bhubaneswar
  • Leading vegetable producing state in India: West Bengal
  • World Food Day is celebrated on: 16th October
  • Farmers' Day is celebrated on: 23rd December
  • Showing depth of wheat depends on the length of: Coleoptiles
  • Natural farming concept was given by: Fukuoka
  • Organic farming was popularized by: Howard
  • Best crop to grow under late onset of monsoon: Castor
  • Azotobacter population is highest in: Grassland
  • Best crop for autumn planting in sugarcane intercropping: Potato
  • Structure used for recycling rainfall water: Farm pond
  • Rabi crop grown on conserved moisture: Chickpea
  • Atrazine persistence in soil: Approximately 1 year
  • Karnal Bunt of wheat was first reported in: 1930
  • Most abundant mineral in soil: Oxygen
  • “Agroforestry Today” is published by: ICRAF
  • Best soil type for rice crop: Stiff clay
  • Thermoperiodism is related to: Temperature
  • Broad bed furrow is used in: Lay soil
  • “Plowman’s Folly” book was written by: Faulkner
  • Surface irrigation method used in western countries: Surge irrigation
  • Optimum temperature for germination in maize: 21°C
  • Cycocel is a type of: Growth retardant
  • Wetland rice fields are deficient in: Zinc
  • Glucoside present in Sorghum: HCN (Hydrogen Cyanide)
  • Fodder maize variety: African Tall
  • Substance used for enhancing nitrogen efficiency in rice fields: Sulphur-coated urea
  • Commonly grown barley variety in India: Six Row Hulled Barley
  • Crop permitting soil erosion: Bajra
  • Apical dominance in sugarcane is due to: High auxin content
  • Thermocouple psychrometer is used for measuring: Leaf water potential
  • Seed drill and horse-drawn cultivator developed by: Jethro Tull
  • Maize is deficient in: Leucine
  • Crop sensitive to KCl (Potassium chloride): Flue-cured tobacco
  • Akiochi disease is due to the toxicity of sulfur.
  • The first product of urea hydrolysis is ammonium carbamate.
  • Azolla is a blue-green algae.
  • The functional nutrients concept was given by Nicholas.
  • The state leading in wheat production in India is Uttar Pradesh.
  • NABARD was set up on the recommendation of the Shivaraman and Narasimhan Committees.
  • White rust of crucifers is caused by Albugo candida.
  • The hard fruits of citrus are due to the deficiency of boron.
  • The antidote for insect poisoning is atropine.
  • Tetrasomic is represented as 2n + 2.
  • The precursor of IAA (Indole-3-acetic acid) is tryptophan.
  • The fruit of okra is a capsule.
  • The vitamin containing cobalt as a constituent is Vitamin B12.
  • A free-living nitrogen-fixing organism is Azotobacter.
  • The dwarfing gene in rice is Dee Gee Woo Gen.
  • The center of origin of wheat is Mexico.
  • The total deemed universities under ICAR is 4.
  • The total national bureaus under ICAR are 5.
  • The Lab to Land programme started in the year 1979.
  • The disease discovered in Haryana is Karnal bunt.
  • The chromosomal theory of inheritance was proposed by Sutton & Boveri.
  • Ufra disease in rice is caused by the nematode Ditylenchus sp..
  • The fruit of mustard is known as siliqua.
  • The nitrogen content in ammonium sulfate is 21%.
  • Herbicides are not used in dust formulation due to drift hazard.
  • The fungicide used for smut control is Vitavax.
  • The first stable product formed in C3 plants is PGA (phosphoglycerate).
  • The greenhouse gas released from paddy fields is CH4 (methane).
  • B.P. Pal is a variety of rose.
  • Over the years, the percentage contribution of agriculture to GDP is decreasing.
  • The IADP (Integrated Agricultural Development Programme) started in the year 1960.
  • The person associated with the Gurgoan pilot project is P.L. Brayne.
  • The net irrigated area of India is 57 million hectares.
  • The price fixed by the government is called Minimum Support Price.
  • The powerhouse of the cell is the mitochondria.
  • The percentage of land resources of India in the world is 2.4%.
  • The headquarters of the W.T.O. (World Trade Organization) is located at Geneva.
  • The highest award presented to an agricultural scientist in the country is the Rafi Ahmad Kidwai Award.
  • The growth rate projected in the 10th five-year plan is 8.0%.
  • IARI (Indian Agricultural Research Institute) is a deemed university.
  • The highest CEC (Cation Exchange Capacity) is found in vermiculite.
  • The ESP (Exchangeable Sodium Percentage) of normal soil is less than 15%.
  • The sugar yield from sugarcane in India is 8-10%.
  • The permanent wilting point is observed at -15 bar.
  • Mango is mostly propagated through veneer grafting.
  • The microorganism associated with symbiotic N₂ fixation in non-legumes is Azolla.
  • The maximum nitrogen loss in rice occurs in the form of denitrification.
  • The head of the Planning Commission is the Prime Minister.
  • The climate suitable for arhar (pigeon pea) is warm tropical.
  • The high-yielding variety of wheat produced globally is associated with Borlaug.
  • Maximum phosphorus availability occurs at a pH of 6.5 – 7.0.
  • The chemical used for delinting cotton is H₂SO₄.
  • The highest nutrient content is found in SSP (Single Super Phosphate).
  • The sowing time for cotton in North India is around 15 May.
  • Soil erosion in India is estimated at 16 tons/ha/year.
  • Termites lay approximately 60 eggs per second.
  • The stable element is zirconium (Zr).
  • "Nature and Properties of Soils" was written by N.C. Brady.
  • The dominant gas in waterlogged soils is CO₂.
  • The Rothamsted Agricultural Research Station was founded by Lawes & Gilbert.
  • The protein content in wheat ranges from 12 – 14%.
  • Curing is related to the crop Tobacco.
  • The microorganism responsible for maximum nutrient cycling in the soil is Bacteria.
  • The extension program linked to planned credit for farmers is known as IRDP (Integrated Rural Development Programme).
  • Ratooning is commonly practiced in Sugarcane.
  • Molybdenum is required by plants because it acts as a cofactor for nitrate reductase.
  • The basic unit of development under the Integrated Rural Development Programme is a family.
  • The botanical name of green gram is Vigna radiata.
  • Cell theory was proposed by M.J. Schleden and Theodor Schwann 
  • The term Lysosomes was first used by Dave in 1955 
  • The main function of Golgi bodies are - packaging of food materials such as protein , lipids etc. 
  • The function of ribosomes are - Protein synthesis  
  • The term mitochondria was given by - C Benda (1897) 
  • The simple microscope was invented by - Galileo (1610) 
  • The shortest phase of all mitosis phase is - Anaphase  
  • Meiotic division is also known as reductional division  
  • The term mitosis was coined by Fleming (1882) 
  • Mitosis occurs in Somatic cells.
  • Segregation occurs during meiosis 
  • The longest mitotic phase is -Prophase  
  • Absorption Spectrum of photosynthesis is blue and red  
  • Action  Spectrum of photosynthesis is red and blue 
  • Dark reaction is also known as - Blackman reaction or C3 – cycle 
  • The main site for dark reaction of photosynthesis is – stroma 
  • The evaporation of water from plants is called - transpiration  
  • Evaporation from soil and transpiration combined are called ET 
  • C4 Plants proposed by Hatch and slack (1970) 
  • The dark reaction process of photosynthesis has been named variously - Calvin cycle or Blackman reaction 
  •  Light reaction is also known as Hill reaction  
  • In photosynthesis , the solar energy converts into - Chemical energy  
  • The OSMOSIS term was given by - Abble Nollet  (1748) 
  • The term “diffusion pressure deficit “ was introduced by - Meyer in 1938  
  • The term Imbibition was coined by - Sachs  
  • Imbibition Pressure is also known as - Matric Potential  
  • Root pressure word was coined by- Stephan Hales  
  • Father of  Physiology - Stephan Hales  
  • Soil less cultivation of plants is known as Hydroponics 
  • Rate of transpiration is determined by - Potometer  
  • The loss of sap (water) from the injured parts of plants is called - Bleeding 
  • Approximately 90% of the world photosynthesis is carried out by -  Marine and fresh water algae 
  • Net production of ATP in Glycolysis is  2  
  • Growth rate is measured by Auxanometer & Cresco graph 
  • Photoperiodism term was coined by -TD Lysenko (1920) 
  • Apical Bud dominance is caused by which hormone - Auxin  
  • Which hormones is used as a herbicide-auxin 
  • Which hormone is related to drought tolerance-  ABA 
  • Dormancy break by which hormone - Cytokinin  
  • Stress hardening in plants can be active by which hormone   ABA 
  • Fruit ripening hormone is - Ethylene  
  • The term auxin was used by - Frits went (Holland) 1905
  •  Want’s auxin is now known as - Indole -3-acetic acid (IAA) 
  • Which hormones are the Auxin - IAA, IBA, NAA , 2-4-D,2,4,5-T’ MCPA ,IPA TIBA etc 
  • Shedding of plant parts is due to- ABA hormones  
  • Cycocel (CCC) is a growth retardant  
  • The most widely used auxin herbicides are 2-4-D,2,4,5-T’ MCPA 
  • Gibberellins were first discovered in Japan 
  • The hormones also known as - Photo hormones , growth hormones , growth substances  
  • Main auxin is also known as - IAA  
  • Root promoting hormones is IBA 
  • The precursor of IAA is - Tryptophasne