• UNEP: United Nations Environment Programme.
  • Explant: Related to plant tissue culture.
  • Hybrids in Tobacco: Exploited by J.G. Kolreuter.
  • Explosive Fertilizer: Ammonium nitrate (33% N).
  • Extension Activity: First started in the USA.
  • Extension Education: A form of informal education.
  • Extension Education Nature: Both science and art.
  • Process of Extension Education: Aims at desirable changes in human behavior.
  • Origin of "Extension": Latin word.
  • Extra Early Brinjal Variety: Pusa purple long.
  • Extra Short-Duration Pigeonpea: UPAS-120.
  • Test Cross: F1 × homozygous recessive parent.
  • Factomphos Sulphur Content: 15%.
  • PRA: Participatory Rural Appraisal.
  • RRII: Rubber Research Institute of India, Kottayam, Kerala.
  • RRIM: Rubber Research Institute of Malaysia.
  • USDA: United States Department of Agriculture.
  • IFFCO: Indian Farmers Fertilizer Cooperative Limited.
  • Microbiology Term: Coined by Louis Pasteur.
  • CPCRI: Central Plantation Crops Research Institute.
  • DDT: Dichloro Diphenyl Trichloroethane.
  • FAO: Food and Agricultural Organisation.
  • IARI: Indian Agricultural Research Institute.
  • IRRI: International Rice Research Institute.
  • ISTA: International Seed Testing Association.
  • TRIPS: Trade-Related Intellectual Property Rights System.
  • Green Revolution: Norman E. Borlaug.
  • Agricultural Biochemistry: Carl Alexander Neuberg.
  • Agricultural Chemistry: Justus von Liebig.
  • Agricultural Economics: Adam Smith.
  • Agro-Meteorology: D. N. Walia.
  • Agro-Meteorology in India: L.A. Ramdas.
  • Agronomy: Pietro Decrescenzi.
  • Microbiology: Leuwenhoek.
  • Bacteriology: Louis Pasteur.
  • Biodynamic Farming: Rudolf Steiner.
  • Cooperative Movement in India: F. Nicholson.
  • Experimental Genetics: Thomas Hunt Morgan.
  • Extension Education: J.P. Leagans.
  • Field Plot Experiment: J.B. Boussingault.
  • Fruit and Vegetable Preservation: M. Nicholas Appert.
  • Viability Loss Factors in Paddy Seeds: Moisture, temperature, gas exchange, seed condition, light, microflora, fungicide.
  • Calcium Deficiency Symptoms: Failure of terminal bud and root tips.
  • Families Braconidae, Chalcididae, Ichneumonidae: Order Hymenoptera.
  • Fan-like Coconut Leaves: Caused by Leaf Rot Disease.
  • FAO Headquarters: Rome, Italy.
  • Individual Contact Methods: Farm/home visits, calls, letters, demonstrations.
  • Farm Machinery: Example of working assets.
  • Farmer’s Day: Celebrated on December 23.
  • Night Field Waste Burning by Farmers: To prevent frost.
  • Tumor-Causing Viruses: Known as Tungro viruses.
  •  A terrarium is an indoor garden in a glass box.
  • Examples of indoor garden plants include money plant, Ficus, Caladium, Agave, Adiantum, and Aglaonema.
  • Examples of inorganic fungicides include Bordeaux mixture and Cheshunt compound.
  • Phorid flies and Cecid flies are insect pests of mushrooms.
  • Root wilt is a disease caused by phytoplasma in coconut.
  • Pseudomonas is effective for the management of sheath blight and bacterial leaf blight of paddy.
  • Baculovirus is effective in the biocontrol of the coconut rhinoceros beetle.
  • Madhya Pradesh is first in the production of pulses and soybean in India.
  • Uttar Pradesh Agricultural University, later known as Govind Ballabh Pant University of Agriculture & Technology, is India’s first agricultural university.
  • Coconut is known as “the tree of a thousand uses.”
  • Petroleum is known as ‘Black Gold.’
  • Zanzibar is known as ‘the island of cloves.’
  • Idukki is known as ‘the spice garden’ of Kerala.
  • Cashew nut is known as ‘Wonder Nut.’
  • Agaricus is known as the button mushroom.
  • Tuberose is an ornamental bulbous plant.
  • Examples of ornamental foliage plants include Alocasia, Aglonema, Caladium, Crotons, Dieffenbachia, Dracaena, Ficus, Fittonia, Sansevieria, and Tradescantia.
  • Examples of ornamental plants suitable for bonsai making include Bougainvillea, Allamanda, Cassia, Musanda, and Saraca.
  • Duranta is an ornamental shrub.
  • Neotia and Microstylis are examples of saprophytic orchids.
  • White grub and termite are subterranean pests.
  • Landscaping is any activity that modifies the visible features of an area of land, including living elements such as flora or fauna.
  • Ethephon is applied to induce flowering in pineapple.
  • Groundnut is commonly intercropped with tapioca.
  • Jethro Tull is considered the father of tillage.
  • Bulk density is defined as the mass of a unit volume of dry soil, which includes soil particles and soil pores.
  • Naphthalene is a solid crystal fumigant.
  • A ration is the amount of food required by an animal during a 24-hour period.
  • The atmospheric layer above the troposphere is the stratosphere.
  • Totipotency is the basis of plant tissue culture.
  • Khirni is the best rootstock for inarching sapota.
  • Viability is the capability of seeds to show living properties.
  • India, specifically Kerala, is the center of origin of black pepper.
  • Microclimate is the climate observed in the layer next to the ground.
  • India is the country with the maximum variety of vegetables.
  • The maggot is the destructive larval stage of flies.
  • Silviculture is the cultivation of forest trees.
  • The radicle is the embryonic root of a plant.
  • Teak is known as the ‘king of forest trees.’
  • Solan, H.P., is known as the ‘mushroom city of India.’
  • Abscisic acid (ABA) is known as the ‘plant stress hormone’ that inhibits plant growth.
  • Mangosteen is known as the ‘Queen of Fruits.’
  • Cardamom is known as the ‘Queen of Spices.’
  • Aerides is known as the Cat’s-tail Orchid.
  • Florigen is known as the flowering hormone.
  • Weathering is known as the fundamental process of soil formation.
  • Rhizanthella is known as the underground orchid.
  • Rose is regarded as the queen of flowers.
  • Black pepper is renowned as ‘the king of spices.’
  • Mercaptothion is a safer organophosphorus insecticide for controlling pests of vegetables and stored grains.
  • Longitude is the imaginary line joining the poles of the Earth.
  • A pyrheliometer is the instrument used to measure direct radiation from the sun.
  • A lysimeter is the instrument used to measure evapo-transpiration from the crop.
  • A moisture meter is the instrument used to measure the moisture percentage of seeds.
  • Lines joining equal elevation are called contours.
  • The international standard unit of pressure is the Pascal.
  • Lines connecting points of equal rainfall are called isohyets.
  • The journal published by the Indian Society of Water Management is the Journal of Water Management.
  • The rock bee is the largest Indian species of honeybee.
  • Coleoptera is the largest order of insects.
  • Karnataka is the largest producer of coffee in India.
  • 2,4-D is the first herbicide manufactured and used for weeds.
  • The fundamental unit of crop production is the seed.
  • Colletotrichum sp. is the fungal pathogen causing anthracnose.
  • Pyricularia sp. is the fungal pathogen causing blast in rice.
  • Helminthosporium sp. is the fungal pathogen causing brown spot disease in rice.
  • Pythium sp. is the fungal pathogen causing damping off.
  • Peronospora sp. is the fungal pathogen causing downy mildew.
  • Erysiphe sp. is the fungal pathogen causing powdery mildew.
  • Puccinia sp. is the fungal pathogen causing rust disease.
  • Albugo sp. is the fungal pathogen causing white rust.
  • Uttar Pradesh is the highest wheat-producing state in India.
  • The ideal temperature range suitable for most agricultural crops is 10 to 40°C.
  • White truffle mushroom is the most expensive mushroom.
  • Rainfall is the most important form of precipitation on Earth.
  • Pineapple is the most profitable intercrop in cashew plantations in the early stages.
  • Gully erosion is the most serious form of water erosion.
  • Cowpea is the most widely cultivated pulse crop in India.
  • Spawn is the mushroom seed.
  • The troposphere is the nearest layer of the atmosphere to Earth.
  • The NPK recommendation for coconut under average management is 34:17:68 g/palm/year.
  • Trapping is the oldest method of controlling rodents.
  • The optimum moisture percentage for storing seeds of amaranthus is 8%.
  • Isohels are lines connecting points of equal sunshine hours.
  • Isophene are lines connecting points of similar seasonal phenomena.
  • Kerala is the leading producer of coconut in India.
  • India is the leading producer of millets in the world.
  • China is the leading producer of wheat in the world.
  • The major pest of cardamom is cardamom thrips.
  • Dr. Jean Dreze, a Belgian-born economist, is the man behind MGNREGA.
  • Drumculture is the method used by Vamadevan and Dasthane to study the components of water loss in rice.
  • The minimum germination percentage required for certified seeds of amaranthus is 70%.
  • Budding is the mode of vegetative reproduction in rubber.
  • Cyanodon dactylon (doob grass) is the most common grass utilized for lawn making in India.
  • Isobath are imaginary lines connecting points of equal water table elevations.
  • The pump is the most expensive and essential component of a sprayer.
  • A rosecan is used for irrigating the seed bed.
  • Calcium carbide is used for artificially ripening fruit.
  • Isotech are lines connecting points of equal wind velocities.
  • Pleurotus spp. is used in coirpith composting.
  • Liquid nitrogen is useful in cryopreservation.
  • Cytokinin is useful in increasing the post-harvest life of cut flowers.
  • China is the world’s leading producer of agricultural commodities.
  • Vietnam is the world’s leading producer of black pepper.
  • Guatemala is the world’s leading producer of cardamom.
  • Madagascar is the world’s leading producer of vanilla.
  • Pest resurgence is a reason for pest outbreak.
  • Oxathin/Aureofungisol is a therapeutant fungicide.
  • Alluvial soil is the soil type having maximum fertility.
  • Alluvial soil is the soil type most suited for rice cultivation.
  • Loam soil is the soil type most suited for rubber cultivation.
  • A greenhouse is the structure where plants can be hardened for rooting and acclimatization.
  • Agronomy is the study of field crops.
  • Plant pathology is the study of plant diseases.
  • Dendrology is the study of trees.
  • Isotope refers to elements having an equal number of neutrons.
  • The crust is the topmost layer of Earth that comes in contact with the atmosphere.
  • The unit of atmospheric pressure is dynes/square centimeter, newtons/square centimeter, or pascal.
  • Layering is the vegetative propagation method adopted in blackberry and raspberry.
  • Isopulvial are lines joining equal depth of rainfall.
  • Jackfruit is commercially propagated by seeds.
  • Jaffrabadi is a breed of buffalo.
  • "Jai Jawan Jai Kisan" was a slogan given by Lal Bahadur Shastri in 1965.
  • Jam is prepared from fruit with good pulp.
  • Japanese white is a variety of radish.