PYQs - IBPS SO AFO Mains Exam 2020 (Agriculture Knowledge)

 

IBPS SO AFO Mains Exam 2020 (Agriculture Knowledge)

Previous Year Questions (PYQs)

Q(1). What is the botanical name of the pomegranate?

(a.) Punica granatum

(b.) Citrus reticulata

(c.) Prunus domestica

(d.) Vitis vinifera

(e.) Persea americana

Q(2). What is the average gestation period of a buffalo?

(a.) 270 days

(b.) 310±5 days

(c.) 150 days

(d.) 114 days

(e.) 147 days

Q(3). Which state of India has the highest forest area?

(a.) Madhya Pradesh

(b.) Maharashtra

(c.) Rajasthan

(d.) Punjab

(e.) Odisha

Q(4). What is the propagation method used for the propagation of the "Banana crop"?

(a.) Sword suckers

(b.) Veneer grafting

(c.) Air layering

(d.) Seed

(e.) T-Budding

Q(5). A female pig that does not give birth to offspring is called what?

(a.) Boar

(b.) Sow

(c.) Gilt

(d.) Dew

(e.) Ewe

Q(6). Mating in sheep is called?

(a.) Serving

(b.) Tupping

(c.) Coupling

(d.) Calving

(e.) Lambing

Q(7). What is the isolation distance required for foundation seed production of okra?

(a.) 50

(b.) 100

(c.) 800

(d.) 1000

(e.) 400

Q(8). Vertisol is most commonly found in which state?

(a.) Madhya Pradesh

(b.) Maharashtra

(c.) Rajasthan

(d.) Punjab

(e.) Odisha

Q(9). What is the landholding of small-scale farmers?

(a.) Less than 1 ha

(b.) 1-2 ha

(c.) 2-4 ha

(d.) 4-10 ha

(e.) More than 10 ha

Q(10). Bt-cotton protects the cotton crop from which insect?

(a.) Aphid

(b.) Jassid

(c.) Whitefly

(d.) Thrips

(e.) Bollworm

Q(11). The Illumination process is related to which soil horizon?

(a.) A Horizon

(b.) B Horizon

(c.) C Horizon

(d.) O Horizon

(e.) E Horizon

Q(12). Choose a macronutrient from these options?

(a.) Cu

(b.) Mo

(c.) K

(d.) Mn

(e.) Fe

Q(13). A new leaf of a plant shows yellow symptoms and veins remain green due to the deficiency of which nutrient?

(a.) Fe

(b.) Mn

(c.) N

(d.) S

(e.) Ca

Q(14). The Golden Revolution is related to the?

(a.) Cereals

(b.) Fruits

(c.) Onion

(d.) Fertilizer

(e.) Pulses

Q(15). Blue tag is related to which type of seed?

(a.) Nucleus Seed

(b.) Breeder seed

(c.) Foundation seed

(d.) Registered seed

(e.) Certified seed

Q(16). Symbiotic nitrogen fixation is related to which organism?

(a.) Rhizobium

(b.) Azotobacter

(c.) Azospirillum

(d.) Acetobacter

(e.) Azolla

Q(17). What is the germination percentage of wheat?

(a.) 85 per cent

(b.) 70 per cent

(c.) 75 per cent

(d.) 90 per cent

(e.) 95 per cent

Q(18). The study of gardening trees to create shade and shape is called?

(a.) Landscape horticulture

(b.) Viticulture

(c.) Lawn making

(d.) Arboriculture

(e.) None of these

Q(19). What is the Feed Conversion Ratio (FCR) of a standard broiler chicken reared in an enclosed house?

(a.) 1-1.4 FCR

(b.) 1.5-1.9 FCR

(c.) 2-2.5 FCR

(d.) 2.4-2.83 FCR

(e.) 3.0 FCR

Q(20). Soil strength is measured by which instrument?

(a.) Penetrometer

(b.) Dynamometer

(c.) Hydrometer

(d.) Thermometer

(e.) All of these

Q(21). Which hormone is responsible for milk let-down?

(a.) Oxytocin

(b.) Estrogen

(c.) Progesterone

(d.) Endostrogen

(e.) None of these

Q(22). Which technique reduces soil erosion, evaporation, and the kinetic energy impact of raindrops?

(a.) Mulching

(b.) Multiple cropping

(c.) Strip cropping

(d.) Crop rotation

(e.) Parallel cropping

Q(23). Ley farming refers to the growth of which crop?

(a.) Grass

(b.) Cereals

(c.) Fruits

(d.) Vegetables

(e.) Flowers

Q(24). Which vaccine is used for Ranikhet disease in poultry?

(a.) RDV vaccine

(b.) Pigeon vaccine

(c.) ADL vaccine

(d.) Lasota

(e.) None of these

Q(25). Which of the following is not a bacterial disease?

(a.) Coccidiosis

(b.) Bacillus

(c.) Anthrax

(d.) Septicemia

(e.) None

Q(26). Online electronic trading of agricultural commodities is conducted through which platform?

(a.) e-NAM

(b.) PKVY

(c.) PMFBY

(d.) ISS

(e.) RWBCIS

Q(27). Which oil cake is used in fish ponds to kill predatory insects?

(a.) Mahua

(b.) Cotton

(c.) Castor

(d.) Groundnut

(e.) Mustard

Q(28). Vaccination for Foot and Mouth disease in sheep is given how often?

(a.) 6 months

(b.) 12 months

(c.) 10 months

(d.) 4 months

(e.) 1 month

Q(29). Aphid is a vector for which disease of tobacco?

(a.) Leaf curl

(b.) Rosette

(c.) Root burn

(d.) Brown spot

(e.) Cucumber Mosaic Virus

Q(30). What is the term for the removal of male flowers in bananas after the completion of the female phase?

(a.) Denavelling

(b.) Desuckering

(c.) Detopping

(d.) Detrashing

(e.) Spadix

Q(31). What are the diagnostic symptoms of the sorghum shoot fly?

(a.) Adult feed on nymphs

(b.) Shooty appearance

(c.) Grain yield reduction

(d.) Larvae cut the growing point and cause dead hearts

(e.) None of these

Q(32). Crown cleaning is related to which plant?

(a.) Mango

(b.) Coconut

(c.) Papaya

(d.) Ber

(e.) Tea

Q(33). What is pulsing?

(a.) Pulse storage

(b.) Apple storage relate

(c.) Post-harvesting treatment of cut flowers

(d.) Fruit production

(e.) Onion storage

Q(34). In which grape training system are the vines connected?

(a.) Skipping

(b.) Bower

(c.) Telephone

(d.) Kniffin

(e.) None of these

Q(35). Which breed of goat has the longest lactation period?

(a.) Jamunapari

(b.) Beetle

(c.) Sirohi

(d.) Barbari

(e.) Malabari

Q(36). The regrowth of crops from stubble is known as?

(a.) Ratooning

(b.) Cutting

(c.) Mutation

(d.) Cloning

(e.) Stunning

Q(37). White Muscardine Disease is related to which animal?

(a.) Cattle

(b.) Sheep and Goat

(c.) Poultry

(d.) Silkworm

(e.) Pig

Q(38). Finger-like structures are formed in which type of erosion?

(a.) Sheet Erosion

(b.) Rill Erosion

(c.) Gully Erosion

(d.) Splash Erosion

(e.) None of these

Q(39). Which of the following sentences is incorrect about honeybees?

(a.) Swarming is their natural method of propagation

(b.) Unfertilized eggs develop into worker bees

(c.) The Caterpillar of the wax moth feeds only on honeycomb and does not feed on bees

(d.) Supersedure queen bees can be developed from worker bees during unfavourable conditions

(e.) None of these

Q(40). Which type of trap is used to trap male insects?

(a.) Water pan traps

(b.) Pheromone Trap

(c.) Water trap

(d.) Electric grid traps

(e.) Minnow trap

Q(41). Which sheep breed from north-west India is known for the best quality white wool?

(a.) Gaddi

(b.) Magra

(c.) Gurej

(d.) Chanthangi

(e.) None

Q(42). What is the condition called when soil moisture decreases to the wilting point and water is held tightly by soil particles?

(a.) Hygroscopic coefficient

(b.) Wilting point

(c.) Permanent wilting point

(d.) Saturation point

(e.) None of these

Q(43). Which guava pest deposits eggs on the soft skin of ripening fruit? On hatching, the maggots bore into the fruit and feed on the soft pulp. The infested fruit shows depressions with dark green punctures and when cut open, the maggots are visible. Finally, the fruit rots and falls.

(a.) Fruit fly

(b.) Mealy bug

(c.) White aphid

(d.) Whiteflies

(e.) Thrips

Q(44). Which medicinal plant is known as a laxative medicinal plant?

(a.) Isabgol

(b.) Ashwagandha

(c.) Henbane

(d.) Guggal

(e.) None

Q(45). In which planting system are four plants planted in a square with the plant-to-plant and row-to-row distances the same and plants planted at right angles to each other?

(a.) Square

(b.) Rectangle

(c.) Hexagonal

(d.) Diagonal

(e.) Triangular

Q(46). In which of the following diseases of rose are greyish-white powdery patches seen on the tender leaves and flower buds? Mature leaves get malformed, flower buds fail to open, and plants present a wilted appearance.

(a.) Powdery mildew

(b.) Down mildew

(c.) Black spot

(d.) Rust

(e.) Crown gall

Q(47). Which zone within the Earth restricts the flow of groundwater from one aquifer to another?

(a.) Perch aquifer

(b.) Aquifled

(c.) Aquifuse

(d.) Aquifer

(e.) Aquislesh

Q(48). Which fungus plays the role of a biological control agent in cotton boll-worm?

(a.) Verticillium

(b.) Helicoverpa armigera

(c.) Sodoptera Lutens

(d.) Beauveria bassiana

(e.) None

Q(49). Ley farming is related to what?

(a.) Layering in horticulture

(b.) More layer birds in limited space

(c.) Rearing of poultry animals

(d.) Leguminous pasture with grain crops

(e.) None

Q(50). Vaccines are given to sheep at what interval?

(a.) 3 months

(b.) 6 months

(c.) 9 months

(d.) 10 months

(e.) 12 months

Q(51). What symptoms and issues are caused by sodium deficiency in animals/cows?

(a.) Loss of appetite

(b.) Milk reduction

(c.) Dehydration and fluid reduction

(d.) Paresis

(e.) Sudden stop in milk production

Q(52). In which grafting technique is the rootstock debarked 45 cm from the ground level, two slopes cut given, and a wedge made? The tongue-shaped scion is then inserted.

(a.) Veneer grafting

(b.) Wedge grafting

(c.) Inside

(d.) Budding

(e.) Air layering

Q(53). What is the term for mating within a wide degree range of relationships not close to one another, resulting in uniformity?

(a.) Outbreeding

(b.) Backcrossing

(c.) Test crossing

(d.) Inbreeding

(e.) Line breeding

Q(54). Which institution is established to provide vocational training to farmers and field-level extension workers?

(a.) KVK

(b.) NABARD

(c.) ATMA

(d.) IFFCO

(e.) NAARM

Q(55). What type of emulsion is milk?

(a.) Oil in water

(b.) Water in oil

(c.) Oil in oil

(d.) Water in water

(e.) Fog in Water

Q(56). Which of the following is an irregular variety of mango?

(a.) Amrapali

(b.) Kesar

(c.) Neelam

(d.) Totapari

(e.) Himsagar

Q(57). What is the NRLM scheme now known as?

(a.) DAY-NRLM

(b.) SGSY

(c.) PM-KISAN

(d.) KISAN-NRLM

(e.) None

Q(58). Which type of silkworm breeds only once a year?

(a.) Univoltine strain

(b.) Voltine strain

(c.) Mono strain

(d.) Mono volticulture

(e.) None

Q(59). Which of the following is a tropical fruit?

(a.) Papaya

(b.) Apple

(c.) Pineapple

(d.) Alubukhara

(e.) Pear

Q(60). Which type of feeding is used for feeding lambs, calves, and piglets, but not used for adults?

(a.) Cattle shed

(b.) Conventional dairy barn

(c.) Cow shed

(d.) Loafing house system

(e.) Creep

Answer and Explanations:

Ans.(1). (a.) Punica granatum; Explanation: The botanical name of pomegranate is Punica granatum. It belongs to family Lythraceae and is an important fruit crop grown in tropical and subtropical regions of India.

Ans.(2). (b.) 310-315 days; Explanation: The average gestation period of a buffalo is 310-315 days. This is longer than cattle due to species-specific reproductive physiology.

Ans.(3). (a.) Madhya Pradesh; Explanation: Madhya Pradesh has the highest forest area in India. It accounts for a major share of the country’s total forest cover.

Ans.(4). (a.) Sword suckers; Explanation: The commercial propagation method used for banana is sword suckers. Sword suckers are healthy, vigorous shoots with narrow leaves.

Ans.(5). (c.) Gilt; Explanation: A female pig that has not yet given birth to offspring is called a gilt. Boar is adult male and sow is adult female that has farrowed.

Ans.(6). (b.) Tupping; Explanation: Mating in sheep is specifically termed tupping. Lambing refers to parturition in sheep.

Ans.(7). (d.) 5.0 per cent; Explanation: Under PMFBY, the uniform premium rate for all commercial and horticulture crops is 5.0 percent of the sum insured.

Ans.(8). (c.) 1735 per quintal; Explanation: MSP of wheat for 2017-18 was fixed at ₹1,735 per quintal by the Government based on CACP recommendations.

Ans.(9). (d.) 1750 per quintal; Explanation: MSP of paddy common for 2018-19 was ₹1,750 per quintal. This was announced to support farmers while maintaining food security.

Ans.(10). (c.) 2016; Explanation: e-NAM was launched in 2016 to create a unified national market for agricultural commodities through online trading.

Ans.(11). (c.) 2016; Explanation: Pradhan Mantri Fasal Bima Yojana (PMFBY) was launched in 2016 to provide comprehensive risk coverage to farmers.

Ans.(12). (b.) 4 per cent; Explanation: Under Interest Subvention Scheme, short-term crop loans up to ₹3 lakh carry an effective interest rate of 4 percent per annum.

Ans.(13). (d.) Fe; Explanation: Iron (Fe) is a micronutrient essential for chlorophyll synthesis and respiration.

Ans.(14). (c.) Nitrogen; Explanation: Nitrogen is the key macronutrient and major constituent of chlorophyll, directly involved in photosynthesis.

Ans.(15). (c.) Barley; Explanation: Barley is highly salt-tolerant and performs well in saline soils.

Ans.(16). (c.) Karnataka; Explanation: Karnataka leads in Totapuri mango production due to ideal agro-climatic conditions.

Ans.(17). (c.) Uttar Pradesh; Explanation: Uttar Pradesh has the largest area affected by alkali soils as per national surveys on degraded lands.

Ans.(18). (c.) Neelum X Alphonso; Explanation: Ratna mango is a hybrid developed from the cross Neelum × Alphonso.

Ans.(19). (e.) Pollarding; Explanation: Pollarding is the practice of cutting branches at a height above browsing animals to produce new shoots for fodder.

Ans.(20). (e.) More than 1000 mm; Explanation: Humid areas are defined by annual rainfall exceeding 1000 mm, supporting intensive agriculture and diverse vegetation.

Ans.(21). (e.) None of these; Explanation: The traditional boat used in Mahanadi-Chilika lagoons is Nauka/Danga; none of the listed options is correct.

Ans.(22). (c.) 6.5-7.5; Explanation: Grapes require soil pH 6.5-7.5 for optimum nutrient availability and fruit quality.

Ans.(23). (c.) 4.5-8.2; Explanation: Guava tolerates a wide pH range of 4.5-8.2, making it adaptable to varied soil conditions.

Ans.(24). (d.) 6.5-7.5; Explanation: Bananas grow best at soil pH 6.5-7.5 for healthy root development and bunch formation.

Ans.(25). (a.) Urea; Explanation: Banana farmers traditionally apply higher quantities of urea to meet the crop’s high nitrogen demand.

Ans.(26). (b.) Salmon; Explanation: Salmon is globally recognised for the highest protein content per serving among common fish species.

Ans.(27). (e.) All of the above; Explanation: None of the listed statements correctly describes qualities of a four-stroke petrol engine; hence all of the above are incorrect.

Ans.(28). (a.) Diesel engine weight per horsepower is high; Explanation: Diesel engines have higher weight per horsepower due to heavier construction required for high compression ratios.

Ans.(29). (a.) 20-25 hp; Explanation: For single cropping pattern on a 40-hectare farm, a 20-25 hp tractor is normally recommended.

Ans.(30). (a.) Disc plough; Explanation: Disc plough has the highest draft requirement per unit width among listed tillage implements.

Ans.(31). (c.) More than 400 litres/ha; Explanation: High volume sprayers apply more than 400 litres/ha of spray solution.

Ans.(32). (b.) 3 HP; Explanation: Power sprayers are commonly powered by 3 HP engines or motors for adequate pressure and discharge.

Ans.(33). (b.) Calcium; Explanation: Calcium deficiency causes dieback of terminal buds with young leaves remaining folded at tips and margins.

Ans.(34). (e.) Wheat; Explanation: Wheat is a classic temperate crop requiring cool climate during vegetative phase.

Ans.(35). (d.) Greater than 4 dS/m; Explanation: Saline soils are defined by electrical conductivity greater than 4 dS/m at 25°C.

Ans.(36). (b.) Greater than 8.5; Explanation: Alkali soils are characterised by pH greater than 8.5 due to high exchangeable sodium.

Ans.(37). (c.) Greater than 15; Explanation: Saline-alkaline soils have Exchangeable Sodium Percentage (ESP) greater than 15.

Ans.(38). (a.) Teak; Explanation: Teak wood is highly preferred for plywood manufacture due to its strength and durability.

Ans.(39). (b.) 95 percent; Explanation: Drip irrigation can achieve water-use efficiency as high as 95 percent by delivering water directly to the root zone.

Ans.(40). (d.) Mn; Explanation: Manganese (Mn) is essential for chlorophyll formation and plays a key role in oxygen evolution during photosynthesis.

Ans.(41). (a.) Clean tillage; Explanation: Clean tillage refers to working the entire field so that no living plant remains undisturbed, primarily for weed control.

Ans.(42). (e.) 80 percent; Explanation: Rice bran typically constitutes 80 percent of many commercial fish feed formulations.

Ans.(43). (a.) 19.27 per cent; Explanation: As per 1997 State of Forest Report (FSI), 19.27 percent of India’s geographical area had actual forest cover.

Ans.(44). (a.) 45-50 months; Explanation: Murrah buffalo usually attains first calving at 45-50 months of age under good management.

Ans.(45). (c.) Indian Veterinary Research Institute (IVRI); Explanation: The R2B vaccine against Ranikhet disease was developed by IVRI, Izatnagar.

Ans.(46). (d.) 12 square meters; Explanation: Recommended floor space for a pregnant cow in open area is 12 square metres.

Ans.(47). (d.) 1 square foot; Explanation: Each broiler bird requires approximately 1 square foot of floor space during the rearing period.

Ans.(48). (c.) CARIBRO-91; Explanation: CARIBRO-91 achieves the highest body weight at six weeks among commercially available meat-type chicken breeds in India.

Ans.(49). (b.) National Dairy Research Institute, Karnal; Explanation: Karan Fries cattle breed was developed at NDRI, Karnal.

Ans.(50). (d.) 01.04.2014; Explanation: Grameen Bhandaran Yojna and AMIGS were subsumed into AMI under ISAM effective 01.04.2014.

Ans.(51). (a.) 70-100 kg; Explanation: A growing calf aged 6-9 months weighs approximately 70-100 kg under standard feeding regimes.

Ans.(52). (d.) 1979; Explanation: Avian Research Institute, Izatnagar was established in 1979.

Ans.(53). (b.) 500; Explanation: Lime dose required to reclaim acidic soil of pH 6.6-7.5 is approximately 500 kg/ha.

Ans.(54). (b.) 1100; Explanation: To obtain 1000 layers, approximately 1100 day-old pullet chicks are procured to account for normal mortality.

Ans.(55). (d.) 11.91 lakhs ha; Explanation: Estimated brackish water area suitable for shrimp cultivation in India is 11.91 lakh hectares.

Ans.(56). (c.) 120-150 days; Explanation: Average culture period for prawns to reach marketable size of 20-30 g is 120-150 days.

Ans.(57). (c.) 1963; Explanation: Power tiller was introduced in India in 1963.

Ans.(58). (d.) 18th century; Explanation: Papaya was introduced to India in the 18th century from Tropical America.

Ans.(59). (c.) Above 40 percent; Explanation: For almost all crops, maintaining relative humidity above 40 percent is considered safe.

Ans.(60). (a.) Dibbling; Explanation: Dibbling is the method of sowing in which a hole is made at desired depth, seed is inserted and covered.