• Black Cotton Soil is rich in: Montmorillonite
  • Alley Cropping is: An agroforestry system
  • First KVK establishment (1974): Pondicherry
  • Highest pulse producing state: Madhya Pradesh (MP)
  • Highest wheat producing state: Uttar Pradesh
  • Yellow Revolution related with: Oil seeds
  • Which crop is known as the gold of America? Maize
  • Which crop is known as the backbone of America? Maize
  • Highest irrigation area covered by a canal in the world: Indira Gandhi Canal
  • Suitable fertilizers used in fertigation: Liquid fertilizer
  • Leading state in sprinkler irrigation in India: Rajasthan
  • Leading state in drip irrigation in India: Andhra Pradesh
  • Bio-drainage plant: Eucalyptus Spp.
  • Water absorbed by plants more through: Root hair
  • Silicon is essential for which crop? Rice
  • Potassium-rich mineral: Biotite
  • Founder of relay cropping: Dr. Balwant Raj
  • Recorded rainfall of 2.5 mm or more within a period of 24 hours in a day is called: Rainy Day
  • Relationship between plant population and grain yield is: Asymptotic
  • Which plough is used for drainage? Mole plough
  • Priming method of harvesting tobacco is done for: Cigarette and wrapper
  • In which state is the highest forest area reported? Madhya Pradesh
  • Nagarjun Sagar irrigation project is situated in: Andhra Pradesh
  • Law of diminishing returns given by: Mitscherlich
  • Intermittent “on and off system” is followed in: Surge irrigation
  • Deflocculation is due to: Sodium
  • Crop transpiration decreases by using: ABA (Abscisic Acid)
  • Concept of plant ideotype was given by: Donald
  • A technique of mid-season correction: Gap filling
  • Reclamation of acidic soil is done using: Lime
  • Element essential for symbiotic nitrogen fixation: Molybdenum
  • Spices grown in low light intensity: Cardamom and Clove
  • Soil moisture between Field Capacity (FC) and Permanent Wilting Point (PWP) is called: Available water
  • “Pusa Ruby” is a famous variety of: Tomato
  • “Agro Climatic Law” was given by: Hopkins
  • “Law of Agrobiology” was given by: Wilcox
  • “Fundamentals of Rice Crop Science” is written by: S. Yoshida
  • “A Textbook of Rice Agronomy” was written by: Rajendra Prasad
  • In sugarcane, the advisable number of ratoon crops to take is: One
  • State with the maximum production of sunflower: Karnataka
  • Chemical used for de-fuzzing of cotton: H₂SO₄ (Sulfuric acid)
  • Oil and fiber crop: Linseed
  • Biodiesel plant: Jatropha
  • Line joining equal crop yield: Isopleth
  • Valuable part of sugar beet: Roots
  • Bench terracing is used in hilly areas where the slope is: Greater than 15%
  • Bidi tobacco is mostly grown in: Gujarat
  • First essential micronutrient discovered: Iron (1844)
  • “Operation Flood” is related to: Dairy development
  • Legume crop that does not fix nitrogen: Kidney beans (Rajma)
  • Soil group covering the largest area in India: Alluvial
  • Scientific name of Isabgol: Plantago ovata
  • Fertilizer ratio for cereals: 4:2:1
  • Fertilizer ratio for pulses: 1:2:1
  • Shortest phase of mitosis: Anaphase
  • First World Food Prize recipient: M.S. Swaminathan
  • Soil formed under water-saturated conditions: Histosols
  • Tetrazolium test is used for: Seed viability
  • Rajendra Kranti is a famous variety of: Fenugreek (Methi)
  • Important operation performed in gram crop: Nipping
  • First public sector nitrogen fertilizer commission established after 1947: Sindri (Jharkhand)
  • System of Rice Intensification (SRI) was developed in Madagascar.
  • Mycorrhizal fungi increase the availability of phosphorus.
  • The highest acidity in fertilizers is found in ammonium chloride.
  • Iron is a nutrient rich in folic acid.
  • The word "protein" was coined by Jons Jacob Berzelius in 1838.
  • The term heterosis was coined by G.H. Shull.
  • The concept of PET (Potential Evapotranspiration) was introduced by Thornthwaite.
  • Indian soil is deficient in the micronutrient zinc.
  • The nutrient responsible for pollen viability is boron.
  • The "Akiochi" disease in rice is caused by H2S poisoning.
  • The most important sucking pests of cotton and rice are Aphis gossypii and Thrips oryzae.
  • The functional role of metabolic nutrients was described by DJ Nicholas.
  • The "Farmer First" concept was introduced by Robert Chambers.
  • Amaranthus viridis is a weed used as a vegetable.
  • "Dhiraj" is an important variety of groundnut.
  • Potassium controls stomatal regulation.
  • The term "water potential" was introduced by Buckingham in 1907.
  • The density of water is maximum at 4°C.
  • The book "Horse Hoeing Husbandry" was written by Jethro Tull.
  • The Dapog method of rice nursery was introduced in India from the Philippines.
  • The causes of the Bengal famine included the brown spot of rice.
  • The chisel plough is used for sub-soiling in primary tillage operations.
  • Vertical mulching is generally practiced in black soil.
  • The blue color trap attracts thrips.
  • The best example of a catch crop in the Rabi season is Toria.
  • The typhoon system of irrigation is used for sugarcane.
  • Dust mulching is a common practice in rainfed areas.
  • The first stage of nitrogen mineralization is aminization.
  • The drum culture technique measures water requirements in paddy.
  • The ratio of irrigated area to water volume used is termed the duty of water.