PYQs - IBPS SO AFO Mains Exam 2023 (Agriculture Knowledge)

 

IBPS SO AFO Mains Exam 2023 (Agriculture Knowledge)

Previous Year Questions (PYQs)

Q(1). The amide fertilizer among the following is:

(a.) Urea

(b.) Ammonium nitrate

(c.) Ammonium chloride

(d.) Ammonium sulphate

(e.) Diammonium nitrate

Q(2). The Quincunx system of planting has how many times more plants than the square system:

(a.) 1.5

(b.) 2

(c.) 4

(d.) 1

(e.) 3

Q(3). The following is not a statutory board set up under the Ministry of Commodity:

(a.) Tea board

(b.) Coffee Board

(c.) Rubber Board

(d.) Spices Board

(e.) Cardamom board

Q(4). The secretory organ of the silkworm, located where the midgut and hindgut meet is:

(a.) Proboscis

(b.) Malpighian tubules

(c.) Nephridia

(d.) Green glands

(e.) None of these

Q(5). Vertisol is most commonly found in which state?

(a.) Madhya Pradesh

(b.) Maharashtra

(c.) Rajasthan

(d.) Punjab

(e.) Odisha

Q(6). The type of silviculture system that can regenerate through seeds and has a majority with a long lifespan is:

(a.) Pollarding

(b.) High Forest

(c.) Coppicing

(d.) Forking

(e.) None of these

Q(7). Empty barrels, plastic containers, or Styrofoam bodies can be used for which purpose?

(a.) Covering material

(b.) Float

(c.) Cage cover

(d.) Feed

(e.) Shrinkers

Q(8). During drying, some parts of the wood may dry rapidly while others may not. This improper drying results in a defect called:

(a.) Cracking

(b.) Twist

(c.) Collapse

(d.) Warp

(e.) Case Harding

Q(9). The sand percentage in sandy soil is:

(a.) 40%

(b.) 60%

(c.) 80%

(d.) 20%

(e.) 45%

Q(10). A destructive polyhedrosis disease of the silkworm, related to wilt and marked by spotty yellowing of the skin and internal liquefaction, also called jaundice, is:

(a.) Pebrine

(b.) Grasseries

(c.) Flacherie

(d.) Aspergillosis

(e.) None of these

Q(11). Baby corn is harvested at which stage:

(a.) Before silking

(b.) Dough stage

(c.) Milking stage

(d.) After silking

(e.) After tasselling

Q(12). Red delicious is a variety of which fruit:

(a.) Mango

(b.) Apple

(c.) Banana

(d.) Guava

(e.) Cherry

Q(13). The length of the estrous cycle of sheep is:

(a.) 21 days

(b.) 10 days

(c.) 15-18 days

(d.) 30 days

(e.) 2-3 days

Q(14). Among the following, which is a component of the Knowledge communication system?

(a.) Farmer

(b.) Exhibition

(c.) Newspaper

(d.) Government agency

(e.) Universities

Q(15). The secondary tillage operation used for breaking clods and pulverising soil is:

(a.) Tilling

(b.) Inter-cultivation

(c.) Harrowing

(d.) Planking

(e.) None

Q(16). Ufra disease in rice is caused by:

(a.) Bacteria

(b.) Nematodes

(c.) Virus

(d.) Fungus

(e.) None of these

Q(17). The term used to define the variation derived from any form of cell or tissue culture is known as:

(a.) Genetic Engineering

(b.) Somaclonal variation

(c.) Genetic variation

(d.) Environmental Variation

(e.) None of these

Q(18). Acidic soil does not contain the property:

(a.) More than 0.1% Salinity

(b.) Iron and Aluminium accumulated

(c.) CEC is low; base saturation is low

(d.) pH is low

(e.) None of these

Q(19). Little leaf of brinjal is transmitted by:

(a.) Aphid

(b.) Plant hopper - Hishimonus phycitis

(c.) Thrips

(d.) Birds

(e.) None of these

Q(20). The botanical name of SAL is:

(a.) Shorea robusta

(b.) Tectonia grandis

(c.) Grevillea robusta

(d.) Eucalyptus roxburghii

(e.) None of these

Q(21). The critical time period for daylight in long-day plants is:

(a.) 8-10 hr

(b.) 10-12 hr

(c.) 14-18 hr

(d.) 20-24 hr

(e.) None of these

Q(22). The process of shrinkage of the uterus of a cow after birth & expansion & relaxation of the mammary gland is called:

(a.) Uterus involution

(b.) Lactogenesis

(c.) Galactogenesis

(d.) Lactation

(e.) None of these

Q(23). Goats found in the Himalayan region where both males and females have short horns, the ears are long and drooping:

(a.) Gaddi

(b.) Sirohi

(c.) Osmanabadi

(d.) Malabari

(e.) None of these

Q(24). ____ is formed from microbial decomposition in soil, provides a black brownish colour, and improves soil:

(a.) Humus

(b.) Soil texture

(c.) Organic matter

(d.) Soil structure

(e.) None of these

Q(25). Citrus species cultivated from seed:

(a.) Lemon

(b.) Acid lime

(c.) Kagzi lime

(d.) Tahiti lime

(e.) Sweet lime

Q(26). Parturition in rabbits is known as:

(a.) Farrowing

(b.) Lambing

(c.) Kidding

(d.) Calving

(e.) Kindling

Q(27). Maize is sown in monsoon & rabi using:

(a.) On flatbed

(b.) Conventional method

(c.) Furrow method

(d.) Transplanting

(e.) Grown on the side of ridges

Q(28). The breed related to Himachal Pradesh that has hairs on the skin is:

(a.) Gaddi

(b.) Barbari

(c.) Marwari

(d.) Sirohi

(e.) Nellore

Q(29). For separating grain from the crop and removing grains from the straw, the type of thresher used with a beater-type cylinder is:

(a.) Spike tooth/peg-type cylinder

(b.) Cutter blade or syndicator

(c.) Rasp bar-type cylinder

(d.) Wire loop-type cylinder

(e.) Hammer mill type cylinder

Q(30). The range for minimum loss with regards to the impact of the Reel Index on Header Losses of Paddy and the Performance of Combine Harvesters is:

(a.) 1.25 - 1.5

(b.) 2 - 2.5

(c.) 3 - 3.5

(d.) 4 - 4.5

(e.) 5 - 6.5

Q(31). It is developed from the axil of a leaf and grows horizontally, and the nodes of it are able to grow as an individual:

(a.) Runner

(b.) Sucker

(c.) Offshoots

(d.) Stolon

(e.) None of these

Q(32). Maximum assistance in Agri clinic and agribusiness centres scheme for a group of five members:

(a.) 50 lakhs

(b.) 75 lakhs

(c.) 100 lakhs

(d.) 40 lakhs

(e.) 20 lakhs

Q(33). FPO/FPC assistance in priority sector lending:

(a.) 0.5 crore

(b.) 50 lakhs

(c.) 5 crore

(d.) 1 crore

(e.) 10 crore

Q(34). Trees that grow where river water meets sea water:

(a.) Mangrove

(b.) Deciduous

(c.) Evergreen

(d.) Temperate

(e.) None of these

Q(35). The scientific name of grass carp is:

(a.) Cyprinus carpio

(b.) Hypopthalmichthys molitrix

(c.) Ctenopharyngodon idella

(d.) Carassius Carassius

(e.) Osphronemus gouramy

Q(36). 100 days rural employment guarantee scheme:

(a.) Deendayal Antyodaya Yojana - National Rural Livelihood Mission

(b.) Pradhan Mantri Gram Sadak Yojana

(c.) National Career Service

(d.) Swarnjayanti Gram Swarozgar Yojana

(e.) MGNREGA

Q(37). The minimum germination percentage of certified seed of onion is:

(a.) 70

(b.) 75

(c.) 60

(d.) 65

(e.) 80

Q(38). After harvesting, make the fruit skin feel attractive to consumers with the effect of ethylene gas which degrades chlorophyll:

(a.) De-greening

(b.) Ripening

(c.) Pre-cooling

(d.) Yellowing

(e.) Maturing

Q(39). A process of paddy to prevent the breakage of grain during milling and enhance the nutrient is known as:

(a.) Dehusking

(b.) Cleaning

(c.) Drying

(d.) Parboiling

(e.) Milling

Q(40). Pulsing is:

(a.) Storage of pulse

(b.) Increasing flower vase life

(c.) Increasing mango shelf life

(d.) Increasing vegetable storage

(e.) None of these

Q(41). The fungus that causes soft rot and leakage of fruit juice from fruits like peaches, sweet potatoes, strawberries and tomatoes is:

(a.) Rhizopus spp.

(b.) Erwinia carotovora

(c.) Erwinia areola

(d.) Erwinia chrysanthemi

(e.) Erwinia uredovora

Q(42). When two pairs of alleles of different characteristics are crossed, the cross is known as:

(a.) Monohybrid cross

(b.) Diploid

(c.) Dicross hybridization

(d.) Dihybrid cross

(e.) Hybrid

Q(43). The species of cactus that is native to Mexico, known for its white hairs like fibre that cover the stem and the areolas, also known as the old man cactus is:

(a.) Cephalocereus senilis

(b.) Oreocereus

(c.) Mammillaria

(d.) Echinocactus

(e.) Echinocereus

Q(44). The product made from curd, which is made from milk by using rennet enzyme and by adding starter inoculating culture and removing moisture and pressing and cutting, is:

(a.) Butter

(b.) Yoghurt

(c.) Cheese

(d.) Ghee

(e.) Curd

Q(45). The larvae that can diapause under 15 -20 cm below the soil surface and cause complex defoliation are:

(a.) Monarch larvae

(b.) Red hairy caterpillar

(c.) Tobacco Caterpillar

(d.) Butterfly

(e.) None

Q(46). The viral infection where leaves are converted to pale yellow, the tip starts whirling at the centre, and the plant shows stunted growth and leaf shredding is a symptom of:

(a.) Necrosis

(b.) Wilt

(c.) Blight

(d.) Ring spot

(e.) None of these

Q(47). This type of forest which is generally nature-originated from seeds or can be copied is:

(a.) High-class forest

(b.) Pollarding

(c.) Simple coppicing

(d.) Woody coppicing

(e.) None of these

Q(48). The chromosome number in the rye is:

(a.) 12

(b.) 14

(c.) 21

(d.) 41

(e.) 20

Q(49). The disadvantage of sexual propagation is:

(a.) The plant raised has a long life

(b.) They have long viability and more disease resistance

(c.) Not true to type

(d.) Creates variability

(e.) None of these

Q(50). The process of removal of the stamen or anther or killing pollens of the flower without affecting the female reproductive organ is known as:

(a.) Emasculation

(b.) Male sterility

(c.) Self-incompatibility

(d.) Parthenogenesis

(e.) None of these

Q(51). DAY-NRLM under MORD would provide Revolving Fund support to SHGs in existence for a maximum period of 3/6 months and they follow Panchasutra. Only such SHGs that have not received any RF earlier would be provided with RF with a minimum of and maximum per SHG. The purpose is to strengthen their institutional and financial management. The amount is:

(a.) 10,000 - 15,000

(b.) 15,000 - 20,000

(c.) 25,000-30,000

(d.) 35,000-40,000

(e.) None of these

Q(52). Power generated in the engine cylinder and received by the piston without frictional losses is known as:

(a.) IHP

(b.) BHP

(c.) FHP

(d.) DBHP

(e.) PTOHP

Q(53). The process by which a cow eats the food brings it back from the stomach, regurgitates previously consumed feed, and chews further is called:

(a.) Rumination

(b.) Insalivation

(c.) Digestion

(d.) Curving

(e.) Absorption

Q(54). The main part of the engine, where ignition of gases and the mixture of oil and air takes place, and gases get sufficiently placed to mix air by which the engine can produce more power is:

(a.) Cylinder

(b.) Connecting rod

(c.) Crankshaft

(d.) Flywheel

(e.) Camshaft

Q(55). In the Ramsar watershed equation, Q-CIA, where Q is peak discharge, I is the intensity of rainfall, A is drainage area, and C is:

(a.) Runoff coefficient

(b.) Drainage coefficient

(c.) Watershed coefficient

(d.) Erodibility coefficient

(e.) Dispersal coefficient

Q(56). The hormone that is involved in the conversion of glycogen to glucose is:

(a.) Glucagon

(b.) Testosterone

(c.) Progesterone

(d.) Insulin

(e.) Somatotropin

Q(57). The sum of lignin and polysaccharides that are not digested by endogenous secretion of the digestive tract is known as:

(a.) Disaccharide

(b.) Crude fibre

(c.) Lipid

(d.) Monosaccharides

(e.) Starch

Q(58). The fin fish that contributes the maximum to global aquaculture is:

(a.) Silver carp

(b.) Anchoveta

(c.) Alaska pollock

(d.) Anabas testudineus

(e.) Skipjack tuna

Q(59). In a combine harvester, the ratio of reel peripheral speed to forward speed (reel speed index) should normally be in the range of:

(a.) 1.25 -1.50

(b.) 2.00-2.50

(c.) 1.75 -2.00

(d.) 3.0-3.25

(e.) 3.25 -3.50

Q(60). The organisation under the UN which gives data on food production, consumption and hunger-related information is:

(a.) APEDA

(b.) FAO

(c.) ICARDA

(d.) FSSAI

(e.) None of these

Answer and Explanations:

Ans.(1). (a.) Urea; Explanation: Urea is the amide fertilizer with the chemical formula CO(NH₂)₂ containing 46% nitrogen in amide form. It is the most widely used nitrogenous fertilizer in India.

Ans.(2). (b.) 2; Explanation: The Quincunx system of planting has two times more plants than the square system because one filler plant is placed at the centre of each square formed by four main plants.

Ans.(3). (e.) Cardamom board; Explanation: Cardamom board is not a statutory board set up under the Ministry of Commerce and Industry. Tea Board, Coffee Board, Rubber Board and Spices Board are statutory commodity boards.

Ans.(4). (b.) Malpighian tubules; Explanation: The secretory organ of the silkworm located where the midgut and hindgut meet is the Malpighian tubules. These tubules excrete uric acid and maintain osmotic balance.

Ans.(5). (b.) Maharashtra; Explanation: Vertisol or black cotton soil is most commonly found in Maharashtra. These are deep clay-rich soils with high shrink-swell capacity.

Ans.(6). (b.) High Forest; Explanation: High Forest silviculture system regenerates through seeds and the majority of trees have a long lifespan. It is also known as the seedling crop system.

Ans.(7). (b.) Float; Explanation: Empty barrels, plastic containers or Styrofoam bodies are commonly used as float material in aquaculture cages, fish pens and rafts to provide buoyancy.

Ans.(8). (c.) Collapse; Explanation: Collapse is the defect caused during wood drying when some parts dry rapidly while others remain moist, leading to internal crushing of cells.

Ans.(9). (c.) 80%; Explanation: In sandy soil, the sand percentage is approximately 80%, with very low silt and clay content. This gives excellent drainage but poor water and nutrient holding capacity.

Ans.(10). (b.) Grasseries; Explanation: Grasserie is a destructive polyhedrosis viral disease of silkworm marked by spotty yellowing of skin and internal liquefaction of the body.

Ans.(11). (a.) Before silking; Explanation: Baby corn is harvested at the before silking stage when ears are small, immature and succulent.

Ans.(12). (b.) Apple; Explanation: Red Delicious is a popular variety of apple (Malus domestica) known for its bright red colour, sweet taste and crisp texture.

Ans.(13). (c.) 15-18 days; Explanation: The estrous cycle length of sheep is 15-18 days. This is shorter than cattle and matches sheep physiology.

Ans.(14). (a.) Farmer; Explanation: The farmer is the most important component of the knowledge communication system as the ultimate receiver and applicator of agricultural knowledge.

Ans.(15). (c.) Harrowing; Explanation: Harrowing is the secondary tillage operation specifically used for breaking clods and pulverising soil to create fine tilth for sowing.

Ans.(16). (b.) Nematodes; Explanation: Ufra disease in rice is caused by the nematode Ditylenchus angustus. It causes twisting and distortion of leaves and panicles.

Ans.(17). (b.) Somaclonal variation; Explanation: Somaclonal variation is the variation derived from any form of cell or tissue culture. It is a source of genetic variability in micropropagated plants.

Ans.(18). (a.) More than 0.1% Salinity; Explanation: Acidic soil does not have the property of more than 0.1% salinity. Acidic soils are characterised by low pH and accumulation of iron and aluminium.

Ans.(19). (b.) Plant hopper - Hishimonus phycitis; Explanation: Little leaf of brinjal is transmitted by the plant hopper Hishimonus phycitis. It is a phytoplasma disease.

Ans.(20). (a.) Shorea robusta; Explanation: The botanical name of Sal is Shorea robusta. It is a major timber species of India.

Ans.(21). (c.) 14-18 hr; Explanation: The critical time period for daylight in long-day plants is 14-18 hours. Plants require more than this critical photoperiod to flower.

Ans.(22). (a.) Uterus involution; Explanation: Uterus involution is the process of shrinkage of the uterus of a cow after birth along with expansion and relaxation of the mammary gland.

Ans.(23). (a.) Gaddi; Explanation: Gaddi goat breed is found in the Himalayan region where both males and females have short horns and long drooping ears.

Ans.(24). (a.) Humus; Explanation: Humus is formed from microbial decomposition in soil. It gives black brownish colour to soil and improves structure, water holding capacity and nutrient availability.

Ans.(25). (b.) Acid lime; Explanation: Acid lime (Citrus aurantifolia) is the citrus species cultivated from seed.

Ans.(26). (e.) Kindling; Explanation: Parturition in rabbits is known as kindling. Farrowing is for pigs, lambing for sheep, kidding for goats and calving for cattle.

Ans.(27). (e.) Grown on the side of ridges; Explanation: Maize is sown in monsoon and rabi seasons on the side of ridges to prevent waterlogging and ensure better aeration and drainage.

Ans.(28). (a.) Gaddi; Explanation: The Gaddi breed related to Himachal Pradesh is characterised by hairs on the skin and is adapted to cold climate.

Ans.(29). (e.) Hammer mill type cylinder; Explanation: Hammer mill type cylinder thresher is used for separating grain from crop and removing grains from straw by impact force.

Ans.(30). (a.) 1.25 - 1.5; Explanation: The range for minimum loss with regards to Reel Index on header losses of paddy is 1.25–1.5.

Ans.(31). (a.) Runner; Explanation: A runner develops from the axil of a leaf, grows horizontally and its nodes are able to grow as individual plants.

Ans.(32). (c.) 100 lakhs; Explanation: Maximum assistance under Agri Clinics and Agribusiness Centres scheme for a group of five members is ₹100 lakhs.

Ans.(33). (c.) 5 crore; Explanation: FPO/FPC assistance in priority sector lending is up to ₹5 crore to promote Farmer Producer Organisations.

Ans.(34). (a.) Mangrove; Explanation: Mangrove trees grow in areas where river water meets sea water, called inter-tidal zones.

Ans.(35). (c.) Ctenopharyngodon idella; Explanation: The scientific name of grass carp is Ctenopharyngodon idella. It is a herbivorous fish used in composite fish culture.

Ans.(36). (e.) MGNREGA; Explanation: MGNREGA is the 100 days rural employment guarantee scheme and guarantees wage employment to rural households.

Ans.(37). (a.) 70; Explanation: The minimum germination percentage of certified seed of onion is 70%.

Ans.(38). (a.) De-greening; Explanation: De-greening is the process after harvesting that makes fruit skin attractive by ethylene gas, which degrades chlorophyll.

Ans.(39). (d.) Parboiling; Explanation: Parboiling of paddy prevents breakage of grain during milling and enhances nutrient content by migration of vitamins and minerals to endosperm.

Ans.(40). (b.) Increasing flower vase life; Explanation: Pulsing is a post-harvest treatment used for increasing flower vase life by providing sugar and other chemicals.

Ans.(41). (a.) Rhizopus spp.; Explanation: Rhizopus spp. causes soft rot and leakage of fruit juice from peaches, sweet potatoes, strawberries and tomatoes.

Ans.(42). (d.) Dihybrid cross; Explanation: When two pairs of alleles of different characteristics are crossed, the cross is known as dihybrid cross.

Ans.(43). (a.) Cephalocereus senilis; Explanation: Cephalocereus senilis is the old man cactus native to Mexico, known for white hairs like fibre covering the stem and areoles.

Ans.(44). (c.) Cheese; Explanation: Cheese is made from curd by using rennet enzyme, adding starter culture, removing moisture, pressing and cutting.

Ans.(45). (b.) Red hairy caterpillar; Explanation: Larvae of red hairy caterpillar can diapause 15–20 cm below the soil surface and cause complex defoliation.

Ans.(46). (d.) Ring spot; Explanation: Ring spot viral infection shows symptoms where leaves turn pale yellow, the tip starts whirling at the centre and the plant becomes stunted.

Ans.(47). (a.) High-class forest; Explanation: High-class forest is generally nature-originated from seeds or can be artificially copied. It is also called high forest system.

Ans.(48). (b.) 14; Explanation: The chromosome number in rye (Secale cereale) is 14, i.e., 2n = 14.

Ans.(49). (c.) Not true to type; Explanation: The major disadvantage of sexual propagation is that plants raised are not true to type due to genetic segregation.

Ans.(50). (a.) Emasculation; Explanation: Emasculation is removal of stamen or anther or killing pollen without affecting the female reproductive organ, used in hybrid seed production.

Ans.(51). (a.) 10,000 - 15,000; Explanation: Under DAY-NRLM, Revolving Fund support to eligible SHGs is ₹10,000–15,000 to strengthen institutional and financial management.

Ans.(52). (a.) IHP; Explanation: IHP (Indicated Horse Power) is the power generated in the engine cylinder and received by the piston without frictional losses.

Ans.(53). (a.) Rumination; Explanation: Rumination is the process by which a cow brings food back from the stomach, regurgitates and chews it further.

Ans.(54). (a.) Cylinder; Explanation: The cylinder is the main part of the engine where ignition of gases and the mixture of oil and air takes place.

Ans.(55). (a.) Runoff coefficient; Explanation: In the watershed equation Q = CIA, C stands for runoff coefficient, representing the fraction of rainfall that becomes runoff.

Ans.(56). (a.) Glucagon; Explanation: Glucagon is the hormone involved in conversion of glycogen to glucose in the liver.

Ans.(57). (b.) Crude fibre; Explanation: Crude fibre is the sum of lignin and polysaccharides not digested by endogenous secretion of the digestive tract.

Ans.(58). (a.) Silver carp; Explanation: Silver carp (Hypophthalmichthys molitrix) is the fin fish that contributes maximum to global aquaculture production.

Ans.(59). (a.) 1.25 -1.50; Explanation: In a combine harvester, reel speed index should normally be 1.25–1.50 for optimum performance and minimum header losses.

Ans.(60). (b.) FAO; Explanation: FAO is the organisation under the UN that provides data on food production, consumption and hunger-related information globally.