IBPS AFO 2023 Mains Previous Year Paper with Answer – AimAFO

IBPS AFO Mains 2023 – Solved Previous Year Paper

Question No. 1
The excretory organ of silkworm which is located at the junction of the midgut and
hindgut.

Options :

  1. Proboscis
  2. Malpighian tubules
  3. Nephridia
  4. Green glands
  5. None
    Answer : Malpighian tubules

Question No. 2
GnRH released from which organ?

Options :

  1. Hypothalamus
  2. Ovary
  3. Thyroid Gland
  4. Pancreas
  5. Uterus
    Answer : Hypothalamus

Question No. 3
Type of silviculture system which can regenerate through seeds and majority have a
long life is _

Options :

  1. Pollarding
  2. High forest
  3. Coppicing
  4. Forking
  5. None
    Answer : High forest

Question No. 4
Empty barrels, plastic containers or styrofoam bodies in cage culture can be used
for the purpose?

Options :

  1. Covering material
  2. Float
  3. Cage Cover
  4. Covering material
  5. Sinker
    Answer : Float

Question No. 5
During drying, some parts of the wood may dry rapidly while some may not. Because
of this, improper drying shrinkage of wood occurs, that results in the defect
called __

Options :

  1. Cracking
  2. Twist
  3. Collapse
  4. Warp
  5. Case hardening
    Answer : Collapse

Question No. 6
Sand percentage in sandy soil is _

Options :

  1. 40%
  2. 60%
  3. 80%
  4. 20%
  5. 45%
    Answer : 80%

Question No. 7
A destructive polyhedrosis disease of silkworm that is related to wilt and is
marked by spotty yellowing of the skin and internal liquefaction also called
jaundice _

Options :

  1. Pebrine
  2. Grasseries
  3. Flacherie
  4. Aspergillosis
  5. None
    Answer : Grasseries

Question No. 8
Baby corn is harvested at which stage?

Options :

  1. Before silking
  2. Dough stage
  3. Milking stage
  4. After silking
  5. After tasseling
    Answer : After silking

Question No. 9
Among the following is an example of an amide fertilizer?

Options :

  1. Ammonium nitrate
  2. Ammonium sulphate
  3. Urea
  4. CAN
  5. Calcium nitrate
    Answer : Urea

Question No. 10
Red delicious is the variety of which fruit?

Options :

  1. Mango
  2. Apple
  3. Banana
  4. Guava
  5. Cherry
    Answer : Apple

Question No. 11
The process of parturition in Rabbit is called as _

Options :

  1. Kidding
  2. Kindling
  3. Lambing
  4. Calving
  5. None of these
    Answer : Kindling

Question No. 12
The length of estrous cycle of sheep is _

Options :

  1. 21 days
  2. 10 day
  3. 15-18 days
  4. 30 days
  5. 2-3 days
    Answer : 15-18 days

Question No. 13

Among the following which is the component of Knowledge communication system?
Options :

  1. Farmer
  2. Exhibition
  3. Newspaper
  4. Government agency
  5. Universities
    Answer : Farmer

Question No. 14
Which secondary tillage operation is used for breaking of clods and pulverizing
soil ?

Options :

  1. Tilling
  2. Inter-cultivation
  3. Harrowing
  4. Planking
  5. Fertigation
    Answer : Harrowing

Question No. 15
Ufra disease in rice is caused by _

Options :

  1. Bacteria
  2. Nematode
  3. Virus
  4. Fungus
  5. None
    Answer : Nematode

Question No. 16

The term used to define the variation derived from any form of the cell or
tissue culture is known as __

Options :

  1. Genetic Engineering
  2. Somaclonal variation
  3. Genetic Variation
  4. Environmental Variation
  5. None of the above
    Answer : Somaclonal variation

Question No. 17
Acidic soil does not contain which of the following property?

Options :

  1. >0.1% salinity
  2. Iron and Aluminium accumulated in soil
  3. CEC is low; base saturation is low
  4. pH is low
  5. None
    Answer : >0.1% salinity

Question No. 18
Little Leaf of Brinjal is transmitted by?

Options :

  1. Aphids
  2. Planthopper- Hishimonus phycitis
  3. Thrips
  4. Birds
  5. None of the above
    Answer : Planthopper- Hishimonus phycitis

Question No. 19
What is the botanical name of Sal tree?

Options :

  1. Shorea robusta
  2. Tectonia grandis
  3. Grevillea robusta
  4. Eucalyptus roxburghii
  5. None of the above
    Answer : Shorea robusta

Question No. 20
What is the critical time period for the day light in long day plants?

Options :

  1. 8-10 Hr
  2. 10-12 Hr
  3. 14-18 Hr
  4. 20-24 Hr
  5. None of the above
    Answer : 14-18 Hr

Question No. 21
The process of shrinkage of uterus of cow after birth & expansion & Relaxation of
Mammary glands is called as____

Options :

  1. Uterus involution
  2. Lactogenesis
  3. Galactogenesis
  4. Parturition
  5. Kidding
    Answer : Uterus involution

Question No. 22
Which Himalayan breed of goat is found in Jammu & Kashmir, Himachal Pradesh with
long horns, curled backwards, droopy ears, small teats and color is white but

mostly brown or black and produces fine wool?
Options :

  1. Gaddi
  2. Sirohi
  3. Osmanabadi
  4. Malabari
  5. None
    Answer : Gaddi

Question No. 23
The statutory body which is not under Ministry of Commerce and Industries?

Options :

  1. Tobacco Board
  2. Coffee Board
  3. Rubber Board
  4. Cardamom Board
  5. Tea Board
    Answer : Cardamom Board

Question No. 24
A person performs vegetable cultivation, fishery, woody crops but that is for self
consumption. It is called as

Options :

  1. Agrisilviculture
  2. Agrihortisilviculture
  3. Agri-olericulture
  4. Homestead agroforestry
  5. none
    Answer : Homestead agroforestry

Question No. 25

Revolving Fund: DAY-NRLM, MoRD, would provide Revolving Fund (RF) support to SHGs
in existence for a minimum period of 3/6 months and follow the norms of good SHGs,
i.e. they follow ‘Panchasutra’ – regular meetings, regular savings, regular
internal lending, regular recoveries and maintenance of proper books of accounts.
Only such SHGs that have not received any RF earlier would be provided with RF, as
corpus, with a minimum of and up to a maximum of per SHG. The
purpose of RF is to strengthen their institutional and financial management
capacity and build a good credit history within the group.

Options :

  1. 10000-15000
  2. 15000-20000
  3. 25000-30000
  4. 25000-50000
  5. None of the above
    Answer : 10000-15000

Question No. 26
The curd is precipitated using rennet or any other enzyme and then filtered.
What is formed from this?

Options :

  1. Yoghurt
  2. Cheese
  3. Ghee
  4. Butter
  5. Cream
    Answer : Cheese

Question No. 27
The process of removal of stamens or anthers or killing the pollen of a flower
without harming female reproductive organ is known as

Options :

  1. Emasculation
  2. Male sterility
  3. Self incompatibility
  1. Parthenogenesis
  2. None of the above
    Answer : Emasculation

Question No. 28
Which scheme is providing guaranteed 100 Days employment unskilled and manual?
Options :

  1. MGNREGA
  2. NRLM
  3. PMMSY
  4. PMKSY
  5. None of the above
    Answer : MGNREGA

Question No. 29
Which hormone is involved in conversion of glycogen to glucose?

Options :

  1. Glucagon
  2. Insulin
  3. Testosterone
  4. Progesterone
  5. Somatotropin
    Answer : Glucagon

Question No. 30
During rainy and winter season how sowing of maize is done?

Options :

  1. Ridges and furrows
  2. Flat bed
  3. Sunken bed
  4. Any of them
  5. None of them

Answer : Ridges and furrows

Question No. 31
What is the ceiling of the financing limit under the ACABC Scheme for the group
project established by the group of at least 5 Members trained under the scheme?

Options :

  1. 20 lakh
  2. 100 Lakh
  3. 25 Lakh
  4. 50 Lakh
  5. 75 lakh
    Answer : 100 Lakh

Question No. 32
Crossing of the two different pair of alleles, having different traits is

Options :

  1. Monohybrid
  2. Dihybrid
  3. Test Cross
  4. Back cross
  5. Top cross
    Answer : Dihybrid

Question No. 33
What is the limit of credit for FPOs under Priority sector lending for the
agriculture production purpose

Options :

  1. 1 Cr
  2. 2 Cr
  3. 5 Cr
  4. 10 Cr
  5. 12.50 Cr

Answer : 2 Cr

Question No. 34
The finfish which contributes maximum to the global aquaculture is

Options :

  1. Silver carp
  2. Common carp
  3. Catla
  4. Rohu
  5. Grass carp
    Answer : Grass carp

Question No. 35
The scientific name of grass carp is…………………………..

Options :

  1. Ctenopharyngodon idella
  2. Cyprinus carpio
  3. Cirrihinus mirrigala
  4. Labeo rohita
  5. Catla catla
    Answer : Ctenopharyngodon idella

Question No. 36
The Rational equation is the simplest method to determine peak discharge from
drainage basin runoff Q=CIA, C Stands for

Options :

  1. Peak discharge, cfs
  2. Runoff coefficient
  3. Rainfall intensity, inch/hour
  4. Drainage area, acre
  5. Runoff potential
    Answer : Runoff coefficient

Question No. 37
The old man cactus, is a species of cactus native to Hidalgo and Veracruz in
central Mexico. Scientific name of old man Cactus is?

Options :

  1. Cereus spp.
  2. Echinocactus
  3. Oerocem trails
  4. Cephalocereus senilis
  5. Opuntia humifusa
    Answer : Cephalocereus senilis

Question No. 38
What is the process by which the cow regurgitates previously consumed feed and
chews it further ?

Options :

  1. Digestion
  2. Excretion
  3. Absorption
  4. Rumination
  5. Bloating
    Answer : Rumination

Question No. 39
Which Institute of UN collects and maintains the data related to the food
production consumption and hunger related information of various countries?

Options :

  1. FSSAI
  2. FCI
  3. UNICEF
  4. FAO
  5. APEDA
    Answer : FAO

Question No. 40
Which post harvest process is done in Paddy before dehusking, involves partial
boiling of the paddy before milling in order to increase its nutritial value, to
change the texture of cooked rice, and reduce the breakage in milling.

Options :

  1. Parboiling
  2. Polishing
  3. Dehusking
  4. Winnowing
  5. Polsenke value
    Answer : Parboiling

Question No. 41
The part of engine where ignition and mixing of fuel and air takes place and gases
get sufficient place to mix air by which engine can produce power is ……………………….

Options :

  1. Crankshaft
  2. Camshaft
  3. Flywheel
  4. Rocker’s arm
  5. Cylinder
    Answer : Cylinder

Question No. 42
The process of taking out threads from the cocoons, to obtain silk fibres is
called…………….

Options :

  1. Reeling
  2. Rolling
  3. Processing
  4. Extracting
  5. Stifling
    Answer : Reeling

Question No. 43
……………………….is non-living organic matter within soil, derived from the microbial
decomposition of plants and animals

Options :

  1. Soil colloids
  2. Lipids
  3. Polysaccharides
  4. Humus
  5. Lignin
    Answer : Humus

Question No. 44
The process of removing the green colouring (known as chlorophyll) from the skin
of citrus fruit. This is achieved by introducing measured amounts of ethylene gas
into a temperature and humidity controlled environment. This is known as

Options :

  1. Ripening
  2. Degreening
  3. Physiological maturity
  4. Denavelling
  5. Dehusking
    Answer : Degreening

Question No. 45
The Germination percentage in onion in case of certified seeds is
Options :

  1. 90%
  2. 99%
  3. 85%
  4. 80%
  5. 70%
    Answer : 70%

Question No. 46
………………………….. are a group of trees and shrubs that live in the coastal intertidal
zone.

Options :

  1. Decidous trees
  2. Evergreen trees
  3. Mangrove trees
  4. Shelterbelts
  5. Chirpine
    Answer : Mangrove trees

Question No. 47
Quincunx system accommodates how much more plants than square system of planting?

Options :

  1. 2 times
  2. 1.5 times
  3. 3 times
  4. 4 times
  5. 10 times
    Answer : 2 times

Question No. 48
The operation of pulsing is done for __

Options :

  1. To increase the shelf/vase life of flowers
  2. To increase the shelf life of vegetables
  3. To increase the shelf life of fruits
  4. To increase the shelf life of plantation crops
  5. To increase shining of fruits
    Answer : To increase the shelf/vase life of flowers

Question No. 49
The Fungus which causes soft rot and leakage of juices from fruits such as tomato,
sweet potato etc. is

Options :

  1. Erwinia cratovora
  2. Rhizopus spp.
  3. E. crysanthemii
  4. E. areola
  5. Plasmodophora viticola
    Answer : Rhizopus spp.

Question No. 50
It is a pest when it is a larva, feeding on crops as it grows in size till it
pupates and remains dormant from August till end of May.

Options :

  1. Red Hairy caterpillar
  2. Castor semilooper
  3. Tobacco caterpillar
  4. Bihar hairy caterpillar
  5. Leaf hopper
    Answer : Red Hairy caterpillar

Question No. 51
In a combine harvester, the ratio of reel peripheral speed to the forward speed
should normally be in the range of

Options :

  1. 0.25-0.50
  2. 1.25-1.50
  3. 3.00-3.50
  4. 4.50-5.30
  5. 5.55-8.75
    Answer : 1.25-1.50

Question No. 52
The disease is most severe during cool weather when heavy dews are present. The
infection of virus due to which plant leaves converted to pale yellow. Name the
disease?

Options :

  1. Necrosis
  2. Mottling
  3. Ring spot
  4. Blight
  5. Wilt
    Answer : Ring spot

Question No. 53
Consider the following statements and choose the incorrect statement regarding
sexual reproduction

Options :

  1. Propagated through seeds
  2. pollen gets transferred to the stigma the male gametes from pollen grains
    release and fuse with the egg
  3. Pollen contains the male gametes
  4. It helps in evolution of species
  5. All are correct or None is incorrect
    Answer : All are correct or None is incorrect

Question No. 54
Power generated in engine cylinder and received by piston without frictional
losses ……………………

Options :

  1. IHP
  2. BHP
  3. FHP
  4. PTO
  5. None

Answer : IHP

Question No. 55
Specialized system which is produced from the leaf axil at the crown of the plant
and prostate horizontally is known as

Options :

  1. Sucker
  2. Tuber
  3. Runner
  4. Offset
  5. Rhizome
    Answer : Runner

Question No. 56
It consists of a series of hinged or fixed hammers attached to a shaft which
rotates at high speed; peripheral speeds up to 100 m/s are possible. Such devices
are used primarily for hard and brittle materials such as pepper, sugar, dried
milk, dried vegetables and spices. Device is …………………

Options :

  1. Hammer type
  2. Tooth spike
  3. Drum type thresher
  4. Syndicate type thresher
  5. None
    Answer : Hammer type

Question No. 57
The sum of lignin and polysaccharides that are not digested by endogenous
secretion of digestive tract ………………….

Options :

  1. Lipid
  2. Polysaccharides
  1. Starch
  2. Crude fibres
  3. Amides
    Answer : Crude fibres

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