PYQs - IBPS SO AFO Mains Exam 2022 (Agriculture Knowledge)

 

IBPS SO AFO Mains Exam 2022 (Agriculture Knowledge)

Previous Year Questions (PYQs)

Q(1). Coorg is a commercial variety of which product?

(a.) Cocoa

(b.) Cherry

(c.) Tea

(d.) Coffee

(e.) Rubber

Q(2). “Pusa Nanha”, a dwarf variety of Papaya, was developed through which method?

(a.) Mutation

(b.) Hybridization

(c.) Heterosis

(d.) Selection

(e.) Micropropagation

Q(3). Which breed of goat is called the ‘Milk Queen’ of goats in the world?

(a.) Toggenburg

(b.) Anglo Nubian

(c.) Barbari

(d.) Sirohi

(e.) Saanen

Q(4). What is the minimum isolation distance required for the certified seed production of okra?

(a.) 3 Meters

(b.) 10 Meters

(c.) 400 Meters

(d.) 200 Meters

(e.) 50 Meters

Q(5). Akiochi disease in rice is due to the toxicity caused by which substance?

(a.) Zinc

(b.) Iron

(c.) Phosphorus

(d.) Hydrogen Sulphide (H₂S)

(e.) Copper

Q(6). Which test is done to identify incomplete pasteurization in milk?

(a.) Alkaline test

(b.) MBE

(c.) Alcohol

(d.) COB test

(e.) None of these

Q(7). Which virus causes leaf curl disease of chilli and is transmitted by which insect?

(a.) Thrips

(b.) Whitefly

(c.) Aphid

(d.) Hopper

(e.) Mites

Q(8). What are the diagnostic symptoms of infestation by stem borer of maize?

(a.) Caterpillars feed on the leaves and bore into the stem and cob

(b.) Adults and nymphs feed on the crop and damaged leaves

(c.) Caterpillars feed on the leaves, cause leaf curl and damage crops.

(d.) Caterpillars feed on leaves and cause spots on leaves

(e.) None of these

Q(9). The weight of a urea bag has been reduced from 50 kg to what weight?

(a.) 45 kg

(b.) 40 kg

(c.) 35 kg

(d.) 30 kg

(e.) 25 kg

Q(10). Amrapali is a cross between which two varieties?

(a.) Neelum x Dashehari

(b.) Daseheri x Neelum

(c.) Ratna x Alphonso

(d.) Alphonso x Ratna

(e.) Banganapalli x Alphonso

Q(11). IRRI and its national research partners have developed Golden Rice to complement and enhance the levels of which nutrient?

(a.) Vitamin A (beta-carotene)

(b.) Vitamin B

(c.) Ascorbic acid

(d.) Vitamin K

(e.) Vitamin E

Q(12). Rock phosphate is applied in which type of soil?

(a.) Saline

(b.) Alkaline

(c.) Neutral

(d.) Acidic soil

(e.) None of these

Q(13). Which breed of Goat is dual-purpose (for Milk and Meat)?

(a.) Black Bengal

(b.) Beetal

(c.) Marwadi

(d.) Saanen

(e.) None of these

Q(14). According to the First Advance Estimates of National Income and Expenditures released by the National Statistical Office, Ministry of Statistics on January 29, 2023, what is the Livestock sector's contribution to the overall Gross Value Added (GVA)?

(a.) 4.8 %

(b.) 6.2 %

(c.) 5.2 %

(d.) 4 %

(e.) 7.1 %

Q(15). What is the oil content of groundnuts?

(a.) 44 to 58%

(b.) 33 to 43 %

(c.) 20-25%

(d.) 15-20%

(e.) Less than 15%

Q(16). The Cabinet Committee on Economic Affairs has approved the Fair and Remunerative Price (FRP) of sugarcane per quintal for the sugar season 2021-22. What is this approved price?

(a.) 290/quintal

(b.) 285/quintal

(c.) 270/quintal

(d.) 260/quintal

(e.) 240/quintal

Q(17). Potato tubers are cured at what temperature for 2 days and then at 7°C-10°C for 10-12 days at 90% relative humidity?

(a.) 4 °C

(b.) 18 °C

(c.) 24 °C

(d.) 28 °C

(e.) 37.5 °C

Q(18). Which Guava variety, known for its pink flesh spots, is also known as Sardar?

(a.) L-49

(b.) Allahabad safeda

(c.) Allahabad surkha

(d.) Safeda

(e.) None of these

Q(19). The mechanism by which plant growth occurs towards the sunlight or another light source is known as what?

(a.) Photoperiodism

(b.) Phototropism

(c.) Photorespiration

(d.) Photosynthesis

(e.) Photophosphorylation

Q(20). The process in which immature green fruits turn into an edible form with desirable flavour, quality, colour, and palatable nature with ethylene treatment is called what?

(a.) Degreening

(b.) Ripening

(c.) Curing

(d.) Precooling

(e.) Disinfection

Q(21). Which tree produces silk cotton and kapok?

(a.) Bombax ceiba

(b.) Ceiba pentandra

(c.) Cochlospermum religiosum

(d.) Som & Soalu

(e.) Ricinus communis

Q(22). In the colour chart of different diameter classes of trees, which class has no colour chart?

(a.) 0-20 cm

(b.) 20-30 cm

(c.) 30-40 cm

(d.) 40-50 cm

(e.) 50-60 cm

Q(23). Which plant is an indicator of boron deficiency?

(a.) Sunflower

(b.) Bajra

(c.) Potato

(d.) Onion

(e.) Cauliflower

Q(24). For an exotic, cross-breed cow & buffalo in its 5th month of pregnancy, how much concentrate is needed other than maintenance?

(a.) 3 kg

(b.) 2.5 kg

(c.) 1.5 kg

(d.) 1 kg

(e.) 0.5 kg

Q(25). Which soil & water conservation method is mostly used in hilly & mountain areas?

(a.) Contour bunding

(b.) Bench terracing

(c.) Zing terracing

(d.) Graded bunding

(e.) None of these

Q(26). What is the advanced method of minimum tillage in which primary tillage is completely avoided and secondary tillage is reduced to the row zone/seedbed zone only?

(a.) Ridge till

(b.) Stubble mulch farming

(c.) Minimum tillage

(d.) Strip tillage

(e.) Zero tillage

Q(27). Which soil ameliorant is used in sodic soil reclamation, and is also cheaper and more easily available?

(a.) Gypsum

(b.) Ammonium sulphate

(c.) Lime

(d.) Iron pyrite

(e.) Ammonium nitrate

Q(28). A greenhouse is a structure enclosed by agro nets or any other woven material to allow the required sunlight, moisture, and air to pass through the gaps, thus creating an appropriate microclimate conducive to plant growth. What is this structure called?

(a.) Shade net

(b.) Greenhouse

(c.) Poly house

(d.) Hydroponics

(e.) None of these

Q(29). Which implement is used for seedbed preparation and removal of weeds and stubbles, and for the mixing of manures and fertilizers?

(a.) Cultivator

(b.) Rotavator

(c.) Leveller

(d.) Plough

(e.) None of these

Q(30). Which nutrient is a basic component of protein and chlorophyll, and helps in amino acid and protein formation, as well as vegetation growth and providing skeletal nutrients?

(a.) Nitrogen

(b.) Mg

(c.) P

(d.) Mn

(e.) K

Q(31). Which among the following brackish water fish has the highest growth rate and can tolerate fluctuations in temperature?

(a.) White prawn

(b.) Tiger prawn

(c.) Milk Fish

(d.) Shrimp

(e.) Lobster

Q(32). What is the TSS for sugarcane ripening determination - brix?

(a.) 20

(b.) 10

(c.) 25

(d.) 30

(e.) 32

Q(33). The Cricket ball & Kalipatti are varieties of which crop?

(a.) Sapota

(b.) Ber

(c.) Guava

(d.) Pear

(e.) Plum

Q(34). From which of the following institutes can one take training for ACABC (AgriClinics and Agribusiness Centres)?

(a.) KVIC

(b.) MANAGE

(c.) ICAR

(d.) ATMA

(e.) NABARD

Q(35). Which among the following is a drought breed of cattle where cows are less milk producers, but bulls are best for cart & field purposes?

(a.) Sahiwal

(b.) Gir

(c.) Tharparkar

(d.) Krishna Valley

(e.) Red Sindhi

Q(36). If an irrigation water source has the concentration of Na⁺, Ca²⁺ & Mg²⁺ as 20, 10 & 8 ml equivalents per litre respectively, what is the sodium absorption ratio of this water?

(a.) 6.67

(b.) 6

(c.) 5.1

(d.) 4

(e.) None of these

Q(37). How can the prevention of brucellosis disease in goats be achieved?

(a.) Dipping in CuSO₄ tank

(b.) Isolation, vaccination, blood test, culling of affected animals

(c.) Proper medication and antibiotics

(d.) Clean hygiene

(e.) Avoiding feeding of Green fodder

Q(38). Why was zero tillage successful?

(a.) Soil amendments

(b.) Herbicides

(c.) Insecticides

(d.) Fungicides

(e.) Pesticides

Q(39). What is used at the rear of the tractor transmission part for attaching the combine harvester, mower, thresher, etc., to the tractor?

(a.) PTO

(b.) Tractor Drawbar

(c.) Hitch

(d.) Tractor pulley

(e.) Battery

Q(40). Which instrument is used to determine the water content in milk?

(a.) Lactometer

(b.) Hydrometer

(c.) Anemometer

(d.) Katharometer

(e.) Lactoscope

Q(41). The Norin 10 gene is responsible for dwarfness in which crop?

(a.) Dwarf gene in wheat

(b.) Dwarf gene in rice

(c.) Disease resistance in maize

(d.) Dwarf gene in maize

(e.) None of these

Q(42). A conical evergreen tree with dark green and silvery leaves spirally arranged, broad leaves at a stage, no symmetry, grows in cool temperatures. This describes which tree?

(a.) Deodar

(b.) Khair

(c.) Sheesham

(d.) Haldu

(e.) None of these

Q(43). Which technique does not directly transfer genes?

(a.) Explant culture & Transfer

(b.) Particle bombardment

(c.) Chemical transfection

(d.) Electroporation

(e.) Microinjection

Q(44). What is the purpose of pasteurization in milk?

(a.) To destroy most of the pathogenic microorganism disease-causing bacteria

(b.) To check the growth of bacteria

(c.) To check the adulteration in milk

(d.) To increase the acidity of milk

(e.) To reduce the size of fat globules

Q(45). In the adiabatic dehumidification process, when humid air passes through a desiccated cell or material then the humidity of the material ____ and the temperature ____?

(a.) Increase, decrease

(b.) Increase, Increase

(c.) Decrease, Increase

(d.) Decrease, decrease

(e.) None of these

Q(46). In Tamilnadu, a catamaran made up of 5 logs in a pattern and a specialized type made of 7 logs, termed catamaran or kolamaram, are used for catching flying fish. What is it termed?

(a.) Catamaran

(b.) Coromandel

(c.) Andra type

(d.) Dhingra

(e.) None of these

Q(47). An organism that can withstand a wider range of salinity is known as?

(a.) Stenohaline

(b.) Euryhaline

(c.) Oligohaline

(d.) Estuarine

(e.) None of these

Q(48). What is the main reason for seed dormancy?

(a.) Immature embryo

(b.) Physical cracking

(c.) Presence of pathogen

(d.) Distorted seed coat

(e.) Fungal growth

Q(49). Loans against pledge hypothecation of agricultural produce including warehouse receipts for a period not exceeding 12 months subject to a limit up to against NWR’s/ENWRS. The limit is?

(a.) 75 Lakh

(b.) 50 Lakh

(c.) 25 Lakh

(d.) 100 Lakh

(e.) None of these

Q(50). An imperfectly developed female, unable to reproduce but possessing all the maternal instinct & defence mechanism has been developed and works for the welfare of the colony. This refers to which bee?

(a.) Queen bee

(b.) Worker bee

(c.) Drone

(d.) Solitary bee

(e.) None of these

Q(51). Growing plants outside a forest area where they were not present before, with the purpose to increase the area under the forest, is known as?

(a.) Farm Forestry

(b.) Extension forestry

(c.) Recreational forestry

(d.) Mixed forestry

(e.) Agroforestry

Q(52). Which fish has lungs as a labyrinth?

(a.) Rohu

(b.) Catla

(c.) Mrigal

(d.) Gourami

(e.) None of these

Q(53). What is an advanced pregnancy symptom in cattle when an embryo is out?

(a.) Lapsing of uterus and vagina

(b.) Anoestrus

(c.) Sexual impurities

(d.) Oestrus

(e.) Silent oestrus

Q(54). Curled toe paralysis in chickens is due to a deficiency of?

(a.) Vit-B1

(b.) Vit-B2

(c.) Vit-E

(d.) Vit-A

(e.) None of these

Q(55). Muga silk is reared on which plants?

(a.) Som & Soalu

(b.) Castor

(c.) Arjun

(d.) Shorea robusta

(e.) Terminalia arjuna

Q(56). When a plant is propagated by a small tissue or part of the plant, what is it termed?

(a.) Sexual propagation

(b.) Micropropagation

(c.) Hybridization

(d.) Somatic hybridization

(e.) None of these

Q(57). The system of rice intensification is not featured with the:

(a.) Water save

(b.) Time save

(c.) Nutrient save

(d.) Labour save

(e.) None of the above

Q(58). Which of the following is a bacterial infectious disease of fishery characterized by disintegrating fins, blood on edges of fins, fin rays becoming brittle and leading to fin and tail rot?

(a.) Red pest

(b.) Dropsy

(c.) Mouth fungus

(d.) Tail and fin rot

(e.) Velvet

Q(59). What is the method of drainage that is used in high water table areas, hilly areas, and under the surface?

(a.) Mole drainage

(b.) Tile drainage

(c.) Gravity outlet

(d.) Open channel

(e.) None of these

Q(60). Indian Institute of Soil Science is located at:

(a.) Bhopal

(b.) New Delhi

(c.) Nagpur

(d.) Bharatpur

(e.) Kerala

Answer and Explanations:

Ans.(1). (d.) Coffee; Explanation: Coorg is a well-known commercial variety of coffee (Coffea arabica) widely grown in the Coorg region of Karnataka. It is valued for bold beans, good cup quality and high market preference.

Ans.(2). (a.) Mutation; Explanation: Pusa Nanha is a dwarf variety of papaya developed through mutation breeding at IARI, Pusa. This technique induced genetic changes leading to short stature and early fruiting.

Ans.(3). (e.) Saanen; Explanation: Saanen breed of goat is globally called the ‘Milk Queen’ due to its highest milk yield potential and excellent milk composition.

Ans.(4). (d.) 200 Meters; Explanation: The minimum isolation distance required for certified seed production of okra is 200 metres to maintain genetic purity and prevent cross-pollination.

Ans.(5). (d.) Hydrogen Sulphide (H₂S); Explanation: Akiochi disease in rice is caused by toxicity of Hydrogen Sulphide (H₂S) produced under anaerobic flooded conditions.

Ans.(6). (a.) Alkaline test; Explanation: The Alkaline test or phosphatase test is used to detect incomplete pasteurization in milk. Presence of alkaline phosphatase indicates under-pasteurization.

Ans.(7). (a.) Thrips; Explanation: Leaf curl disease of chilli is caused by chilli leaf curl virus and is primarily transmitted by thrips.

Ans.(8). (a.) Caterpillars feed on the leaves and bore into the stem and cob; Explanation: Stem borer of maize shows characteristic symptoms where caterpillars feed on leaves and bore into the stem and cob.

Ans.(9). (a.) 45 kg; Explanation: The Government of India reduced the weight of a urea bag from 50 kg to 45 kg.

Ans.(10). (b.) Daseheri x Neelum; Explanation: Amrapali mango is a hybrid developed from Dashehari × Neelum. This cross gives regular bearing, dwarf stature, excellent flavour and high pulp content.

Ans.(11). (a.) Vitamin A (beta-carotene); Explanation: Golden Rice was developed by IRRI and partners to enhance provitamin A (beta-carotene) content in rice endosperm to combat Vitamin A deficiency.

Ans.(12). (d.) Acidic soil; Explanation: Rock phosphate is applied in acidic soils where its solubility increases and phosphorus becomes readily available.

Ans.(13). (b.) Beetal; Explanation: Beetal is a dual-purpose goat breed valued for both milk and meat production.

Ans.(14). (c.) 5.2 %; Explanation: As per the First Advance Estimates released by National Statistical Office on 29 January 2023, the livestock sector contributed 5.2 percent to overall Gross Value Added.

Ans.(15). (a.) 44 to 58%; Explanation: The oil content of groundnut ranges between 44 to 58 percent, making it a major oilseed crop.

Ans.(16). (a.) 290/quintal; Explanation: The Cabinet Committee on Economic Affairs approved the Fair and Remunerative Price (FRP) of sugarcane at ₹290 per quintal for the 2021-22 sugar season.

Ans.(17). (b.) 18 °C; Explanation: Potato tubers are cured at 18 °C for 2 days followed by storage at 7–10 °C for 10–12 days at 90% RH.

Ans.(18). (a.) L-49; Explanation: L-49 guava variety is also known as Sardar and is characterised by pink flesh spots.

Ans.(19). (b.) Phototropism; Explanation: Phototropism is the growth movement of plants towards sunlight or any light source due to auxin redistribution.

Ans.(20). (b.) Ripening; Explanation: Ripening is the process in which immature green fruits become edible with desirable flavour, colour and texture after ethylene treatment.

Ans.(21). (b.) Ceiba pentandra; Explanation: Ceiba pentandra produces silk cotton and kapok used for stuffing pillows and insulation.

Ans.(22). (a.) 0-20 cm; Explanation: In the colour chart of different diameter classes of trees, the 0-20 cm class has no colour chart.

Ans.(23). (a.) Sunflower; Explanation: Sunflower is a reliable indicator plant for boron deficiency, showing symptoms like brittle leaves and poor seed set.

Ans.(24). (c.) 1.5 kg; Explanation: A pregnant exotic/crossbred cow or buffalo in its 5th month requires 1.5 kg concentrate in addition to maintenance ration.

Ans.(25). (a.) Contour bunding; Explanation: Contour bunding is the most suitable soil and water conservation method in hilly and mountain areas because it follows natural land contours.

Ans.(26). (e.) Zero tillage; Explanation: Zero tillage is the advanced method of minimum tillage where primary tillage is completely avoided and secondary tillage is restricted only to the seed row zone.

Ans.(27). (a.) Gypsum; Explanation: Gypsum is the most commonly used and cheaper soil ameliorant for sodic soil reclamation as it supplies calcium to replace sodium ions.

Ans.(28). (a.) Shade net; Explanation: Shade net is a structure enclosed by agro nets that allows required sunlight, moisture and air while creating a suitable microclimate for plant growth.

Ans.(29). (a.) Cultivator; Explanation: Cultivator is used for seedbed preparation, removal of weeds and stubbles, and mixing of manures and fertilizers.

Ans.(30). (a.) Nitrogen; Explanation: Nitrogen is a basic component of protein and chlorophyll; it plays a key role in amino acid and protein formation and vegetative growth.

Ans.(31). (b.) Tiger prawn; Explanation: Tiger prawn (Penaeus monodon) has the highest growth rate among brackish water fish and can tolerate wide temperature fluctuations.

Ans.(32). (a.) 20; Explanation: Brix value of 20 is used as the standard for determining sugarcane ripening through TSS measurement.

Ans.(33). (a.) Sapota; Explanation: Cricket ball and Kalipatti are popular commercial varieties of sapota (Manilkara zapota).

Ans.(34). (b.) MANAGE; Explanation: Training for ACABC is conducted by MANAGE or National Institute of Agricultural Extension and Management.

Ans.(35). (d.) Krishna Valley; Explanation: Krishna Valley is a draught breed of cattle where cows are poor milkers but bulls are excellent for cart and field work.

Ans.(36). (a.) 6.67; Explanation: Sodium Absorption Ratio (SAR) is calculated as 6.67 when concentrations of Na⁺, Ca²⁺ and Mg²⁺ are 20, 10 and 8 meq/L respectively.

Ans.(37). (b.) Isolation, vaccination, blood test, culling of affected animals; Explanation: Brucellosis prevention in goats is achieved through isolation, vaccination, blood testing and culling of positive animals.

Ans.(38). (b.) Herbicides; Explanation: Success of zero tillage is mainly due to effective herbicide use for weed control without disturbing the soil.

Ans.(39). (a.) PTO; Explanation: Power Take-Off (PTO) at the rear of tractor transmission is used to attach implements like combine harvester, mower and thresher.

Ans.(40). (a.) Lactometer; Explanation: Lactometer is the instrument used to determine water content or adulteration in milk by measuring specific gravity.

Ans.(41). (a.) Dwarf gene in wheat; Explanation: The Norin 10 gene is responsible for dwarfness in wheat, leading to semi-dwarf high-yielding varieties.

Ans.(42). (a.) Deodar; Explanation: Deodar (Cedrus deodara) is a conical evergreen tree with dark green and silvery spirally arranged leaves, growing in cool temperate regions.

Ans.(43). (a.) Explant culture & Transfer; Explanation: Explant culture and transfer does not directly transfer genes; it is a tissue culture technique for clonal propagation.

Ans.(44). (a.) To destroy most of the pathogenic microorganism disease-causing bacteria; Explanation: The main purpose of pasteurization in milk is to destroy most pathogenic microorganisms while preserving nutritional quality.

Ans.(45). (c.) Decrease, Increase; Explanation: In adiabatic dehumidification, when humid air passes through desiccated material, humidity decreases and temperature increases.

Ans.(46). (b.) Coromandel; Explanation: The specialized 7-log catamaran used in Tamil Nadu for catching flying fish is termed Coromandel or kolamaram.

Ans.(47). (b.) Euryhaline; Explanation: Euryhaline organisms can tolerate a wide range of salinity fluctuations.

Ans.(48). (a.) Immature embryo; Explanation: The main reason for seed dormancy is the presence of an immature embryo that requires after-ripening.

Ans.(49). (a.) 75 Lakh; Explanation: Loans against pledge/hypothecation of agricultural produce including warehouse receipts are allowed up to ₹75 lakh against NWRs/ENWRS.

Ans.(50). (b.) Worker bee; Explanation: A worker bee is an imperfectly developed female that cannot reproduce but performs all colony maintenance and defence functions.

Ans.(51). (b.) Extension forestry; Explanation: Extension forestry involves growing trees outside conventional forest areas to increase overall forest cover.

Ans.(52). (d.) Gourami; Explanation: Gourami fish possesses lungs as a labyrinth organ for air breathing.

Ans.(53). (a.) Lapsing of uterus and vagina; Explanation: Lapsing of uterus and vagina is an advanced pregnancy symptom observed in cattle.

Ans.(54). (b.) Vit-B2; Explanation: Curled toe paralysis in chickens is caused by deficiency of Vitamin B₂ (Riboflavin).

Ans.(55). (a.) Som & Soalu; Explanation: Muga silk is reared on Som and Soalu plants in Assam and other North-Eastern states.

Ans.(56). (b.) Micropropagation; Explanation: Propagation of plants using a small tissue or part is termed micropropagation or tissue culture technique.

Ans.(57). (d.) Labour save; Explanation: The System of Rice Intensification (SRI) is not featured with labour saving; it actually requires more careful management.

Ans.(58). (d.) Tail and fin rot; Explanation: Tail and fin rot is a bacterial disease of fish characterised by disintegrating fins, blood on fin edges and brittle fin rays.

Ans.(59). (b.) Tile drainage; Explanation: Tile drainage is the subsurface drainage method used in high water table areas, hilly regions and under-surface conditions.

Ans.(60). (a.) Bhopal; Explanation: The Indian Institute of Soil Science is located at Bhopal, Madhya Pradesh.