RPSC Rajasthan AAO 2021 Solved Paper (English) — Agri Master Mind
Which of the following is Macaroni Wheat?
- Triticum aestivum
- Triticum vulgare
- Triticum durum
- Triticum dicoccum
Arrange the following types of erosion in order of first to advance stages: (a) Gully Erosion (b) Sheet Erosion (c) Rill Erosion (d) Splash Erosion
- , d, c, a
- , b, c, a
- , b, a, c
- , a, c, d
One hectare cm of water is equivalent to how many liters of water?
- ,000 liters
- ,000 liters
- ,000 liters
- ,00,000 liters
Total water requirement of Sugarcane crop is -
- -200 ha cm
- -300 ha cm
- -400 ha cm
- -500 ha cm
A Day receiving more than ________ mm rainfall is called a 'crop rainy day'.
- 5
- 5
In semi-arid regions, the P/PET ratio stands between -
- 50 to 0.75
- 03 to 0.20
- 20 to 0.50
- 75 to 1.00
Calculate the commercial dose of herbicide for 2.0 hectares with the following information - Available formulation - 20% WP (Water-Soluble Powder) Dose of spray - 4 gm a.i./ha (active ingredient per hectare)
- gm
- gm
- gm
- gm
The optimum seed rate (kg/ha) for cultivation of hybrid rice is about -
- kg/ha
- kg/ha
- kg/ha
- kg/ha
Which of the following practices is adopted to prevent 'greening' in Potato?
- loser Spacing Sowing
- arthing up
- arly Sowing
- Normal Sowing
Sugar-beet belongs to the family -
- henopodiaceae
- Pedaliaceae
- uphorbiaceae
- ruciferae
What will be the real value of seeds having 80% purity and 70% germination?
Agrisilviculture refers to -
- rops + Animals
- rops + Grasses
- rops + Flowers
- rops + Trees
The active factor of soil formation is -
- limate & Biosphere
- Parent Material
- Relief
- Time
Diagnostic subsurface horizon is-
- pipedon
- Plaggen
- ndopedon
- Histic horizon
Salt-affected soils of the arid zone are classified under which soil order?
- Ultisols
- Spodosols
- Mollisols
- ridisols
The deficiency of copper in plants causes which disease?
- ie-back disease
- Khaira disease
- Whiptail disease
- arly blight disease
Who gave the DTPA extraction of micronutrient determination method in soil?
- Subbiah and Asija (1956)
- Lindsay and Norvell (1978)
- erger and Truog (1939)
- damus and Hartwing (1982)
Which one is a non-edible oil cake?
- oconut cake
- Rapeseed and mustard cake
- Groundnut cake
- astor cake
Which autotroph microorganism derives its energy from the oxidation of inorganic compounds?
- Photoautotrophs
- hemoautotrophs
- Thermoautotrophs
- None of the above
Gypsum is used for reclamation of which soil type?
- Saline
- Sodic
- cidic
- Waterlogged
Which of the following soil has the highest total porosity?
- Sandy soil
- Sandy loam soil
- lay-loam soil
- Loam soil
Tensiometer used to measure soil moisture content could be used up to which soil moisture tension?
- 85 atmosphere tension
- 0 atmosphere tension
- 0 atmosphere tension
- 0 atmosphere tension
Which is the most efficient implement for land grading when animal power is used in the job and the fields are of small to medium size?
- ulldozer
- uck Scraper
- Land Plane
- Wooden Float
To measure comparatively high discharge flow in an irrigation channel or a well outlet at the source, which of the following devices is best suited?
- Orifice
- Rectangular Weir
- V-notch
- ut-throat Flume
Which type of pump discharges the same volume of water regardless of the head against which they operate?
- entrifugal Pump
- Vertical Turbine Pump
- Reciprocating Pump
- Submersible Pump
.................... is source of dwarfing gene in wheat.
- Norin 10
- Kafir
- ee-geo-woo-gen
- Texas
Which among the following is considered as an objectionable disease in pearl millet seed production?
- Wilt
- light
- rgot
- Khaira
Mutations that convert the wild type (the common phenotype) to the mutant form (the rare phenotype) are called as -
- Recessive mutation
- ominant mutation
- Reverse mutation
- Forward mutation
Tendency of the genes to stay together during inheritance is called as -
- Independent assortment
- Segregation
- Genetic Linkage
- rossing over
Which among the following method/s is not used for handling segregating generations?
- ack Cross
- Pedigree
- oth (1) and (2)
- Mass Selection
Grow Out Test (GOT) is used to determine -
- Physical purity
- Genetic purity
- Germination
- Viability
In which gene pool can biological species be intercrossed easily without any problems with fertility of the progeny?
- Primary gene pool
- Secondary gene pool
- Tertiary gene pool
- oth (2) & (3)
Which among the following is a major breeding objective in pulses?
- rucic acid elimination
- Flowering synchronization
- Non-shattering
- oth (2) & (3)
Which selection favors optimal phenotypes approximately close to the mean of the expressed variation?
- Stabilizing selection
- isruptive selection
- irectional selection
- Response to selection
Superiority of F1's over the better parent is called as -
- Male sterility
- Standard heterosis
- Heterobeltiosis
- verage heterosis
GNG 2171 is an improved variety of -
- Groundnut
- hickpea
- Pearl millet
- Mustard
Which of the following is responsible for fruit ripening?
- Gibberellins
- thylene
- ytokinin
- bscisic Acid
Match List - I with List - II and select the correct answer - List - I (i) Indole Butyric Acid (ii) Gibberellic Acid (iii) Zeatin (iv) Abscisic Acid List - II (a) Initiation of cell division (b) Stress hormone (c) Root initiat
- i - c, ii - d, iii - a, iv - b
- i - c, ii - a, iii - d, iv - b
- i - c, ii - b, iii - a, iv - d
- i - c, ii - a, iii - d, iv - b
Diffusion Pressure Deficit (DPD) of a cell is equal to -
- Osmotic Pressure / Turgor Pressure
- Osmotic Pressure + Turgor Pressure
- Osmotic Pressure - Turgor Pressure
- Turgor Pressure - Osmotic Pressure
What is the average physical size range (nm) of Nano Urea particles being manufactured in India?
- -20 nm
- -50 nm
- -100 nm
- -200 nm
The term "nanotechnology" was first coined by -
- Richard Smalley
- Norio Taniguchi
- Richard Feynman
- K. Eric Drexler
The value arrived by dividing the sum of observations by the total number of observations is called as -
- Mean
- Median
- Mode
- orrelation
The correlation coefficient is a unit-free measure which ranges from -
- to 1
- -1 to +1
- to ∞
- to 5
The error degree of freedom in Randomized Block Design (RBD) with 't' treatments and 'r' replications is calculated by -
- r-1
- (r-1) (t-1)
- t-1
- rt-1
Which vegetable is very deep rooted from the following?
- Pumpkin
- Onion
- abbage
- hilli
Which type of seed bed is prepared mostly during the winter season?
- Raised nursery bed
- Flat nursery bed
- Sunken nursery bed
- ll of the above
'Pride of India' is a variety of -
- abbage
- auliflower
- rinjal
- hilli
Which is a quick-growing vegetable crop?
- abbage
- auliflower
- Radish
- arrot
Which is the most easy and popular method of planting fruit plants?
- Square system
- Hexagonal system
- ontour system
- Quincunx system
Percentage of essential oil present in dry coriander seeds is -
- 1 to 1.0%
- 5 to 3.5%
- 0 to 5.0%
- 5 to 6.0%
Gladiolus is propagated by -
- ulb
- orm
- Rhizome
- Tuber
Fairy Ring problem in lawn is caused by -
- acteria
- irborne fungi
- Soilborne fungi
- Virus
'Pusa Madhuras' is a variety of -
- Watermelon
- Round melon
- Long melon
- Muskmelon
Little leaf in Brinjal is transmitted by -
- Whitefly
- Fruit fly
- Leafhopper
- phid
'Pusa All Green' is the variety of -
- maranthus
- Spinach
- Fenugreek
- Lettuce
The pungency in chili is due to -
- Rutin
- apsaicin
- Lycopene
- arotenoid
The best example of ethylene absorber in packaging is -
- Ferrous oxide
- Hydrated lime
- Potassium permanganate
- ctivated charcoal
'Surya' is variety of
- Grape
- Papaya
- Pomegranate
- onla
CA storages' are based on which system?
- Increase the O2 and reduced the CO2 concentration
- Reduced the O2 and increase the CO2 concentration
- Increase the Nitrogen and O2 concentration
- Increase the sulfur oxide and decrease CO2
The finished jam should not be more than ______% invert sugar.
- percent
- percent
- percent
- percent
High pressure drip irrigation system works at operating pressure of
- Less than 10 psi
- Less than 20 psi
- Less than 30 psi
- psi or more
Shoot gall maker is a part of
- onla
- anana
- pple
- er
Saponins are the active ingredient of -
- Safed musli
- loe
- Senna
- Opium poppy
Which of the following is not a variety of Ginger?
- Suprabha
- Varada
- Suruchi
- Krishna
Selective and complete removal of the part of a plant is termed as -
- Thinning
- Notching
- Heading back
- Nicking
Shree Ganesh is a hybrid of -
- Marigold
- arrot
- Gladiolus
- Rose
Total horticultural crop production in India according to the year 2017-18 is -
- million tonne
- million tonne
- million tonne
- million tonne
Forest Conservation Act was passed on -
The branch of forestry that deals with the determination of dimensions is -
- grobiology
- grostology
- Silviculture
- Forest Mensuration
Which among the following statements is incorrect?
- India ranked 3rd in egg production in the world during the year 2020.
- s per the National Accounts Statistics (NAS), livestock sector contributed 4.35% in 2019-20 to the India's Gross value addition.
- In India, land holding less than one hectare is classified as marginal holding.
- s per year 2019-20 data, Maharashtra and Rajasthan were the country's largest producers of pulses and oilseeds, respectively.
Which is used to calculate the expected change in profit for a proposed change in the farm business?
- nterprise budget
- omplete budget
- Partial budget
- None of the above
What is the structure of co-operative banks in terms of short and medium term credit supply in Rajasthan State?
- Three-tier structure
- Two-tier structure
- One-tier structure
- Four-tier structure
The graded agricultural products, according to the standards fixed by the Agricultural Marketing Advisor, Government of India, bears the label -
- ISI
- HALLMARK
- GMARK
- None of the above
As per Ensminger (1962), which of the following statements is not true about the "Philosophy of Extension Education"?
- xtension is a professional process.
- xtension is working in harmony with the culture of the people.
- xtension is helping people to help themselves.
- xtension is a two-way channel.
Who are the members of Gram Sabha of a Gram Panchayat?
- Only Ward Panchs
- Only male members of the village
- ll residents of the village
- Only those persons registered in the electoral rolls
Which of the following programs was merged into "Swarnajayanti Gram Swarojgar Yojana"?
- Jawahar Rojgar Yojana (JRY)
- Training of Rural Youth for Self-Employment (TRYSEM)
- Pradhan Mantri Rojgar Yojana (PMRY)
- Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA)
Which of the following sequence of Teaching - Learning Process in Extension is correct?
- ction - Attention - Desire - Satisfaction - Conviction - Interest
- esire - Interest - Satisfaction - Action - Attention - Conviction
- ttention - Interest - Desire - Conviction - Action - Satisfaction
- Interest - Desire - Attention - Satisfaction - Conviction - Action
Frieswal cattle is a cross of -
- HF × Brown Swiss
- HF × Sahiwal
- HF × Rathi
- None of the above
Avishaan sheep is a cross of how many breeds?
- None of the above
In cows, normally placenta is expelled -
- Within 4 to 8 hours of parturition
- Within 20 to 24 hours of parturition
- Within 30 to 34 hours of parturition
- None of the above
In cow milk, protein, fat, and S.N.F. decline with -
- Season
- reeding
- ge
- Management
What is the normal duration of the estrus cycle in sheep?
- -19 days
- -21 days
- -16 days
- -24 days
Disbudding in the calf is done at the age of -
- -10 days after birth
- -70 days after birth
- -95 days after birth
- None of the above
Most economic and satisfactory method for preserving forage crop is -
- Making bundles
- Making straw
- Making heap
- Making hay
Which of the following is a major source of nitrogen for plants?
- tmosphere
- Soil
- Manure
- ll of the above
Which one of the following rusts is autoecious in nature?
- Melampsora lini
- Puccinia graminis
- Puccinia coronata
- Phakopsora meibomiae
Which one of the following rusts is not an obligate parasitic fungus?
- lbugo
- rysiphe
- lternaria
- Peronospora
Tentoxin is produced by which fungus, which causes spots and chlorosis in plants?
- lternaria alternata
- lternaria brassicae
- lternaria brassicicola
- lternaria solani
The shape of cauliflower mosaic virus is -
- Spheroidal
- Rod
- Geminate
- Filamentous
Downy mildew of Bajra is caused by -
- Sclerospora graminicola
- Peronospora parasitica
- Sclerophthora rayssiae
- Sclerospora sacchari
In each virus, there is always -
- Only RNA
- Only DNA
- Only RNA or only DNA
- oth RNA and DNA
Which one is the most common mycoparasitic fungi?
- Paecilomyces lilacinus
- Trichoderma harzianum
- oniothyrium minitans
- spergillus niger
- (Unknown)) Which one of the following pairs is not correctly matched?
- Rock bee - Apis dorsata
- Little bee - Apis florea
- Indian bee - Apis indica
- Italian bee - Melipona iridipennis
- (Unknown)) Which one of the following pairs is correctly matched?
- zodrin-monocrotophos
- aygon-fenthion
- ursban-phosphamidon
- DVP-Malathion
Rasping and sucking type mouth parts are found in which insect?
- phid
- Leafhopper
- Whitefly
- Thrips
The Book 'Silent Spring' to create awareness about the ill effect of pesticides was written by -
- Ngozi Okonjo Iweala
- L. Maxwell
- Rachel Carson
- lark & Geier
Growing mustard with cabbage as a trap crop is used to attract which insect?
- iamond Back moth
- abbage butterfly
- Leaf Webber
- abbage semilooper
Who gave Phases Theory of Locust?
- Uvarov
- Prasad
- Karl Von Frisch
- Rev. Fr. Newton
Pest population level at which management action should be taken -
- Insect equivalent
- TL
- IL
- Gain threshold
First plant parasite nematode discovered was -
- Meloidogyne
- Heterodera
- nguina
- Globodera