Agronomy Questions For IBPS AFO
Basic Important Agronomy Questions For IBPS AFO
- Question: A very broad term encompassing all aspects of crop production, livestock farming, fisheries, forestry etc.
Answer: Agriculture
- Question: ‘Agriculture’ word is derived from
Answer: Latin word (agri + culture)
- Question: A branch of agricultural science which deals with principles and practices of soil, water, and crop management.
Answer: Agronomy
- Question: “Agronomy” word is derived from words?
Answer: Greek (agros + nomos)
- Question: Crops which are cultivated on ploughed land?
Answer: Arable crops
- Question: An agroforestry practice in which perennial, preferably leguminous trees or shrubs are grown simultaneously with arable crop?
Answer: Alley crops or hedge-row intercrops
- Question: Crops which are grown to supplement the yield of the main crops?
Answer: Augment Crops
- Question: Crops which protect another crop from trespassing of animals or restrict the speed of wind and are mainly grown as border
Answer: Border/Guard Crops
- Question: A crop, grown for direct sale rather than for livestock feed or a crop grown by a farmer primarily for sale to others rather than for his or her own use?
Answer: Cash Crops
- Question: Two major commercial crops are
Answer: (i) Cotton (ii) Sugarcane
- Question: Crops which are cultivated to catch the forthcoming season when the main crop is failed?
Answer: Catch/Contingent Crops
- Question: A close-growing crop, grown primarily to improve and protect the soil from erosion through their ground covering foliage and/or root mats between periods of regular crop production?
Answer: Cover Crops
- Question: When both main and intercrop benefit each other?
Answer: Complementary Crops
- Question: The crops leave the field exhaustive after growing?
Answer: Exhaustive Crops
- Question: Any crop or combination of crops grown for grazing or harvesting for immediate or future feeding to livestock?
Answer: Ley Crops
- Question: Such crops are grown to conserve the soil moisture through their ground covering foliage?
Answer: Mulch Crops
- Question: The seed of succeeding crops is sown broadcast at 10 to 15 days before harvesting the rice crop?
Answer: Paira/Utera Crops
- Question: Generally, the third row of crop is removed or growing of crop in pair row and the third row is escaped with an objective to conserve the soil moisture in Dryland areas?
Answer: Paired row Crops
- Question: Such crops are neither complementary nor competitive?
Answer: Supplementary Crops
- Question: Crops that are grown to protect the main cash crop from a certain pest or several pests?
Answer: Trap Crops
- Question: Cereals are botanically
Answer: Caryopsis
- Question: The more nutrient exhaustive family is
Answer: Poaceae (Graminae)
- Question: The non-conventional oilseed crop is
Answer: Sunflower
- Question: The non-edible oilseed crops are
Answer: Castor and Linseed
- Question: The Indian originated field crops are
Answer: Arhar, Mung, Urd, Cotton, Jute, Kodo, Kutki, Oat etc.
- Question: Kharif crops are generally denoted as
Answer: Short day plants
- Question: Rabi crops are generally denoted as
Answer: Long day plants
- Question: Day neutral Plants are
Answer: Cotton, maize, sunflower, safflower, groundnut, buckwheat, tomato.
- Question: Optimum time of sowing for Kharif crop
Answer: June-July
- Question: Optimum time for Rabi crop
Answer: Last week of October to first week of November
- Question: Optimum depth of sowing for most field crops
Answer: 3-5 cm
- Question: The recommended fertilizer dose (N:P:K) for cereal crops are
Answer: 4:2:1
- Question: The recommended fertilizer dose (N:P:K) for pulse crops are
Answer: 1:2:1 or 1:2:2
- Question: The recommended fertilizer dose (N:P:K) for oilseed crops are
Answer: 3:2:1
- Question: The recommended fertilizer dose (N:P:K) for fodder and fiber crops are
Answer: 2:1:4
- Question: The C3 Plants are
Answer: Rice, Wheat, Barley, Pea, Gram, Mustard, Rye, Cotton, Arhar, Soybean, Sunflower, Lentil, Sugarbeet, Tomato etc.
- Question: The C4 Plants are
Answer: Maize, Sorghum, Bajra, Sugarcane, Millets.
- Question: The CAM Plants are
Answer: Pineapple, khajur, cactus, sisal.
- Question: The optimum temperature for better crop production is between
Answer: 18 – 24°C
- Question: The weight of 1000 seeds of a crop?
Answer: Test weight
- Question: The weight of 100 seeds of a crop?
Answer: Seed Index
- Question: The net assimilation rate is expressed in terms of
Answer: g cm–2 day–1
- Question: Which of the following crop geometry ensures uniform solar radiation availability to crop?
Answer: Square
- Question: Wavelength longer than ______ m/μ is not visible to the eye, and is called infrared
Answer: 750
- Question: The development stage of a plant after which no further increase in dry matter occurs in the economic part is known as
Answer: Physiological maturity
- Question: The mechanical manipulation of the soil is known as
Answer: Tillage
- Question: The good physical condition of soil after tillage is
Answer: Tilth
- Question: Who is the father of tillage?
Answer: Jethro Tull
- Question: The tillage operation mainly aims to break, open, and turn the soil
Answer: Primary tillage
- Question: The primary tillage implements are
Answer: Deshi plough, MB plough, Ridge plough, Disk plough etc.
- Question: The tillage operation, done to create a good seedbed for proper seeding/planting
Answer: Secondary tillage
- Question: The secondary tillage implements are
Answer: Cultivator, Harrows, Hoe, Planker, Roller etc.
- Question: The optimum range of available soil moisture for convenient and effective ploughing
Answer: 50-75%
- Question: An ideal condition of soil for crop growth?
Answer: Seed-bed
- Question: Conventional tillage involves
Answer: Minimum tillage, Zero tillage, and Conservation tillage.
- Question: The tillage aims to reduce tillage to the minimum necessary for ensuring a good seed-bed, rapid germination, satisfactory stands, and favorable growing condition?
Answer: Minimum tillage
- Question: The tillage referred to as no tillage in which the crop is planted in unprepared soil
Answer: Zero tillage
- Question: The word ‘Zero tillage’ was termed by
Answer: Jethro Tull
- Question: A system of tillage in which organic residues are not inverted into the soil and used as a protective cover against erosion and evaporational losses of soil moisture?
Answer: Conservation tillage or stubble mulch tillage
- Question: Conservation tillage tends to encourage
Answer: Higher microbial population
- Question: The tillage implement used to break subsoil is
Answer: Chisel plough
- Question: Ridge plough is used for
Answer: Earthing-up and forming ridges and furrows.
- Question: Star weeder is used for
Answer: Weeding in dry lands and groundnut fields
- Question: Disc plough is used for
Answer: Deep ploughing in grassed fields
- Question: Rotary plough is used for
Answer: Intensive soil pulverization
- Question: The practice of growing different crops in succession on the same land chiefly to preserve the productive capacity of the soil.
Answer: Crop rotation
- Question: A farming method that involves the cultivation of crops and raising of livestock for subsistence or economic gain.
Answer: Mixed farming
- Question: The process of growing two or more crops in proximity.
Answer: Intercropping
- Question: Crops that are specifically grown to maintain and improve soil fertility.
Answer: Green manure crops
- Question: The method of planting a variety of crops in the same area in sequenced seasons.
Answer: Sequential cropping
- Question: A crop grown primarily for the protection and improvement of the soil rather than the crop yield.
Answer: Cover crop
- Question: The systematic application of water to the land to assist in the growing of crops.
Answer: Irrigation
- Question: A practice involving the planting of a main crop and an additional crop together to maximize the use of space and nutrients.
Answer: Companion planting
- Question: The type of farming that involves cultivation of the land with minimal disturbance, conserving soil structure and moisture.
Answer: Conservation tillage
- Question: What is the primary purpose of a combine harvester?
Answer: To harvest, thresh, and clean grain crops in a single operation.
- Question: Which machine is used to plant seeds at a consistent depth and spacing?
Answer: Seed drill
- Question: What is the function of a moldboard plow?
Answer: To invert soil and bury crop residues, improving soil aeration and fertility.
- Question: What type of irrigation system uses a network of tubes or pipes to deliver water directly to the roots of plants?
Answer: Drip irrigation
- Question: What is the main advantage of using a laser land leveler in agriculture?
Answer: It provides a perfectly leveled field which enhances water distribution and crop uniformity.
- Question: What agricultural engineering method is used to control the water table and soil moisture by removing excess water from the soil?
Answer: Drainage system
- Question: Which machine is commonly used for mechanical weeding in crops?
Answer: Rotary weeder
- Question: What is the purpose of a chisel plow?
Answer: To break up compacted soil layers without turning the soil over, maintaining soil structure.
- Question: Which type of tractor is designed for working on uneven or hilly terrain?
Answer: Crawler tractor
- Question: What does a precision planter do?
Answer: Plants seeds at precise intervals and depths to ensure optimal plant growth and yield.
- Question: What is the primary use of a baler in agriculture?
Answer: To compress cut and raked crops like hay or straw into compact bales for easy handling, transport, and storage.
- Question: What is the function of a sprayer in agriculture?
Answer: To apply pesticides, herbicides, and fertilizers evenly across crops.
- Question: Which type of irrigation involves the use of rotating sprinklers to distribute water?
Answer: Sprinkler irrigation
- Question: What is the primary function of a grain silo?
Answer: To store bulk materials such as grain, silage, and other fermented feeds for livestock.
- Question: What is hydroponics?
Answer: A method of growing plants without soil, using mineral nutrient solutions in an aqueous solvent.
- Question: What type of engine is most commonly used in modern agricultural tractors?
Answer: Diesel engine
- Question: What is a thresher used for in agriculture?
Answer: To separate grain from the stalks and husks.
- Question: Which agricultural tool is used to break down clods and smooth the soil after plowing?
Answer: Harrow
- Question: What is the function of a rotary tiller?
Answer: To cultivate the soil by breaking up and mixing soil to a fine tilth.
- Question: What is an important benefit of conservation tillage?
Answer: It reduces soil erosion and improves water retention in the soil.
- Question: What agricultural practice involves alternating different crops in the same field across different seasons or years?
Answer: Crop rotation
- Question: What is the primary benefit of using GPS technology in agriculture?
Answer: To enhance precision farming by providing accurate field mapping and machine guidance.
- Question: Which machine is used to transplant seedlings into the field?
Answer: Transplanter
- Question: What is aquaponics?
Answer: A system that combines aquaculture (raising fish) with hydroponics (growing plants without soil) in a symbiotic environment.
- Question: What is the role of a grain auger?
Answer: To move grain from one place to another, typically into storage bins or onto transport vehicles.
- Question: Which type of fencing is most commonly used to manage livestock?
Answer: Electric fence
- Question: What is the purpose of a tractor’s power take-off (PTO) system?
Answer: To transfer mechanical power from the tractor to an attached implement or machine.
- Question: What is the function of a silage harvester?
Answer: To cut and chop green forage crops for fermentation into silage.
- Question: What is the main purpose of using cover crops in agriculture?
Answer: To protect and improve soil health by preventing erosion, enhancing soil fertility, and suppressing weeds.
- Question: What is a key advantage of vertical farming?
Answer: It maximizes space usage and allows for year-round crop production in controlled environments.