AGRONOMY
AGRONOMY SYLLABUS
(These syllabus may change from time to time. Please check with the relevant Public Service Commission websites for any changes in the syllabus)
Agro-climatic zones of India and Rajasthan and their characteristics, tillage: objectives, types and modern concepts in tillage: zero, minimum and conservation tillage, climate change and agriculture, precision farming, plant growth regulators and their role in agriculture, growth and development, crop growth analysis, cardinal points, source-sink relationship.
Weather and climate: variables and their relation with crop production, solar radiation: characteristic and energy balance in atmosphere, photosynthesis and efficiency of radiation utilization by crops. Weather forecasting and remote sensing in India, atmospheric pollution and its impact on climate and crop production.
Water resources of India, importance of irrigation, its statistics in India, soil-water-plant atmosphere relationship, mechanism of water movement in soil, theories and mechanism of water absorption, soil moisture measurement, water requirement of field crops, irrigation: methods, evaluation and scheduling, moisture stress and its mitigation, management of excess soil water and drainage, water saving techniques under irrigated conditions and conjuctive use, micro irrigation and fertigation, management of salt-affected soils and brackish irrigation water, consumptive use and water- use efficiency.
Criteria of essentiality of plant nutrients, functions and their deficiency symptoms, soil fertility and productivity concept, forms of nutrients uptake, nitrogen: transformation in soil, mineralization of N-compounds, losses of N in soil, methods to increase N-use efficiency, phosphorus : availability and P-fixation, practices of increasing effectiveness of applied and native phosphorus. Potassium : fixation and
release of potassium, bio-fertilizers, N, P and K fertilizers and their application methods, secondary and micro nutrients, integrated nutrient management.
Weeds: iology, ecology and classification. Herbicides: history, classification, mode of action, basis of selectivity, weed management practices in common field crops, weed control under specific situations viz. non-cropped area, noxious farm weeds, parasitic weeds and their control, persistence of herbicides in soil, integrated weed management, herbicide resistance in weed and crops.
Dry land farming: role in economy, constraints in dry land farming, moisture stress, mechanism of crop adaptation for dry land, in situ moisture conservation techniques, contingent planning and mid-season corrections for aberrant weather situations, water harvesting, watershed management, improved dryland technology, alternate land use system, soil erosion: types and management and land capability
classification.
Cropping systems: Principles and practices, cropping systems under irrigated and rain fed situations, assessment of yield advantages, integrated farming system: meaning, scope and different models, crop residue management, crop diversification. Organic farming, its certification and accreditation, sustainable agriculture, natural resources management.
Introduction, origin, history, production, distribution, cultural practices, plant protection and varieties of cereals, pulses, oilseeds, fibre, forage sugar and commercial crops.
Principles of experimental design, correlation and regression analysis. Analysis of variance and co-variance. Statistical Designs used in Agronomical Experiments, transformation of data
Agro-climatic zones of India and Rajasthan and their characteristics, tillage: objectives, types and modern concepts in tillage: zero, minimum and conservation tillage, climate change and agriculture, precision farming, plant growth regulators and their role in agriculture, growth and development, crop growth analysis, cardinal points, source-sink relationship.
Weather and climate: variables and their relation with crop production, solar radiation: characteristic and energy balance in atmosphere, photosynthesis and efficiency of radiation utilization by crops. Weather forecasting and remote sensing in India, atmospheric pollution and its impact on climate and crop production.
Water resources of India, importance of irrigation, its statistics in India, soil-water-plant atmosphere relationship, mechanism of water movement in soil, theories and mechanism of water absorption, soil moisture measurement, water requirement of field crops, irrigation: methods, evaluation and scheduling, moisture stress and its mitigation, management of excess soil water and drainage, water saving techniques under irrigated conditions and conjuctive use, micro irrigation and fertigation, management of salt-affected soils and brackish irrigation water, consumptive use and water- use efficiency.
Criteria of essentiality of plant nutrients, functions and their deficiency symptoms, soil fertility and productivity concept, forms of nutrients uptake, nitrogen: transformation in soil, mineralization of N-compounds, losses of N in soil, methods to increase N-use efficiency, phosphorus : availability and P-fixation, practices of increasing effectiveness of applied and native phosphorus. Potassium : fixation and
release of potassium, bio-fertilizers, N, P and K fertilizers and their application methods, secondary and micro nutrients, integrated nutrient management.
Weeds: iology, ecology and classification. Herbicides: history, classification, mode of action, basis of selectivity, weed management practices in common field crops, weed control under specific situations viz. non-cropped area, noxious farm weeds, parasitic weeds and their control, persistence of herbicides in soil, integrated weed management, herbicide resistance in weed and crops.
Dry land farming: role in economy, constraints in dry land farming, moisture stress, mechanism of crop adaptation for dry land, in situ moisture conservation techniques, contingent planning and mid-season corrections for aberrant weather situations, water harvesting, watershed management, improved dryland technology, alternate land use system, soil erosion: types and management and land capability
classification.
Cropping systems: Principles and practices, cropping systems under irrigated and rain fed situations, assessment of yield advantages, integrated farming system: meaning, scope and different models, crop residue management, crop diversification. Organic farming, its certification and accreditation, sustainable agriculture, natural resources management.
Introduction, origin, history, production, distribution, cultural practices, plant protection and varieties of cereals, pulses, oilseeds, fibre, forage sugar and commercial crops.
Principles of experimental design, correlation and regression analysis. Analysis of variance and co-variance. Statistical Designs used in Agronomical Experiments, transformation of data
AGRONOMY MCQs
1 What is the test weight of Phalaris minor seed (in grams) ?
2 Which one of the following gram varities has green colour of mature grains ?
3 High quality malt variety of barley is :-
4 Sesamum Indicum has chromosome number :-
5 Maru Bahar is the variety of :-
6 The most favourable light for the growth of crops is :-
7 What is the meaning of Sod Seeding ?
8 Which one is not the variety of baby corn ?
9 Which crop has the capacity to fix most of CO2 in the form of organic acid in drought condition ?
10 Calvin cycle occurs in :-
11 Which one of the following is different in its action ?
12 Which one of the following plant has minimum transpiration ratio ?
13 Which one of the following elements does not act as an enzyme activator?
14 The tea yellow disease is caused by the deficiency of ?
15 What is the isolation distance of certified seed production in pearl millet ?
16 The most common plant harmone indole 3-acetic acid (IAA) was first isolated from ?
17 Which one of the following herbicides inhibit the photosynthesis of the crop ?
18 In which crop auricles are completely absent ?
19. Per cent sulphur content in ordinary super phosphate is :-
20 which one of he following mode of action of herbicides is different from other ?
21 Allelopathic chemical left in the soil by the roots of :-
22 Which one of the following pairs is not correctly matched ?
23 Which one of the following pairs is correctly matched ?
24 What is the effect of nitrification on soil pH:- (1) Increases (2) Decreases
25 Which of these orgamisms involved in denitrification process in soil is not a heterotroph ?
26 Azorhizobium produces stem nodules on :-
27 A healthy plant foliage contains approximately ____ as much sulpher as nitrogen :-
28 In alkali soils, the form of phosphorus that predominates is :-
29 The salt index of urea is :-
30 Which of the following satellites is the example of those orbiting in equatorial plane of the earth ?
- 4
- 6
- 2
- 8
2 Which one of the following gram varities has green colour of mature grains ?
- Aparna
- Aruna
- Arpan
- Abhar
3 High quality malt variety of barley is :-
- RD 2849
- RD 2508
- RD 2502
- RD 2503
4 Sesamum Indicum has chromosome number :-
- 32
- 64
- 26
- 42
5 Maru Bahar is the variety of :-
- Urd
- Arhar
- Moong
- Moth
6 The most favourable light for the growth of crops is :-
- Red
- Infrared
- Blue
- Green
7 What is the meaning of Sod Seeding ?
- Minimum tillage
- Soil compaction
- Soil Puddling
- Zero tillage
8 Which one is not the variety of baby corn ?
- Golden
- Sangam
- Shakti
- PAC-792
9 Which crop has the capacity to fix most of CO2 in the form of organic acid in drought condition ?
- soyabean
- Gram
- Moong
- Urd
10 Calvin cycle occurs in :-
- Sudan grass
- Pearl millet
- Finger millet
- Cowpea
11 Which one of the following is different in its action ?
- Hydrated Lime
- Chalk
- Cycocel
- Kaoline
12 Which one of the following plant has minimum transpiration ratio ?
- Maize
- Sorghum
- Sugarcane
- Pineapple
13 Which one of the following elements does not act as an enzyme activator?
- Calcium
- Magnesium
- Iron
- Zinc
14 The tea yellow disease is caused by the deficiency of ?
- Sulphur
- Nitrogen
- Calcium
- Boron
15 What is the isolation distance of certified seed production in pearl millet ?
- 400 metre
- 200 metre
- 800 metre
- 100 metre
16 The most common plant harmone indole 3-acetic acid (IAA) was first isolated from ?
- Human urine
- Avena Coleoptile
- Fungus Fusarium
- Corn germ oil
17 Which one of the following herbicides inhibit the photosynthesis of the crop ?
- 2,4 - D
- Propanil
- Isoproturon
- Glyphosate
18 In which crop auricles are completely absent ?
- Wheat
- Barley
- Triticale
- Oats
19. Per cent sulphur content in ordinary super phosphate is :-
- 12
- 21
- 09
- 15
20 which one of he following mode of action of herbicides is different from other ?
- Hill reaction
- Inhibit protein synthesis
- Electron transfer
- CO₂ fixation
21 Allelopathic chemical left in the soil by the roots of :-
- Sunflower
- Sorghum
- Gram
- Maize
22 Which one of the following pairs is not correctly matched ?
- Magnesium - Green veins in old
- leaves Iron - Green veins in new leaves
- Copper - Yellow veins in new leaves
- Manganese - Yellow veins in old leaves
23 Which one of the following pairs is correctly matched ?
- Upper Gangetic Plains - Bikaner
- Central Plateau and Hills - Churu
- Transgangetic Plains - Sri Ganganagar
- Southern Plateau and Hills - Alwar
24 What is the effect of nitrification on soil pH:- (1) Increases (2) Decreases
- Codes 1,2 and 3
- Codes 1 and 3
- Code 2 only
- Codes 1 and 2
25 Which of these orgamisms involved in denitrification process in soil is not a heterotroph ?
- Pseudomonas
- Bacillus
- Achromobacter
- Thiobacillus
26 Azorhizobium produces stem nodules on :-
- Sesbania rostrata
- Sesbania grandiflora
- Sesbania aculeata
- Sesbania quadrata
27 A healthy plant foliage contains approximately ____ as much sulpher as nitrogen :-
- 1/10 th
- 1/5 th
- 1/2 th
- 1/20 th
28 In alkali soils, the form of phosphorus that predominates is :-
- Calcium phosphate
- Iron phosphate
- Aluminum phosphate
- Nitro phosphate
29 The salt index of urea is :-
- 1.61 per unit of N
- 2.99 per unit of N
- 3.25 per unit of N
- 6.00 per unit of N
30 Which of the following satellites is the example of those orbiting in equatorial plane of the earth ?
- SARAL
- RISAT -1
- KALPANA -1
- IRS -1A
31 Kharif pulse crop, sometimes also called as vegetable meat is :-
32 Castor belongs to the family :-
33 Which of these is a correct pair of International system of units and centimeter-gram-second unit relationship with reference to solar
radiation ?
34 The analysis component of precision agriculture which provides data storage, retrieval and transformation to spatial data is :-
35 The part of radiation utilized by plants in respiration is called :-
36 The expression PET = KETₒfor the estimation of potential evapotranspiration from free water evaporation was given by :-
37 The medium irrigation projects have cultivable command area of :-
38 Find out the depth of irrigation water if one hectare area is irrigated with an average discharge of 25 liters per second for 6 hours :-
39 The loss of water on way between source and point of utilization for irrigation is denoted by :-
40 The mycoherbicide 'De-vine' contains fungal spores of :-
41 Oxyfluorfen belongs to the herbicide family ?
42 Which of these herbicides produces H2O2 in plants ?
43 A weed that has become an integral part of a crop ecosystem is termed as :-
44 Which species of Orobanche has branched stem :-
45 The seed rate (kg/ha) of taramira pure crop is about :-
46 The optimum temperature for germination of wheat seeds is about :-
47 Zea mays indurata is :-
48 In reference to cotton crop, a "count" is :-
49 Which one of the following varieties of sugarcane is not suitable for ratooning ?
50 Kodo millet is :-
51 Which of the following varieties of groundnut has spreading growth habit ?
52 Calculate the sodium adsorption ratio of a soil, if soil analysis revealed that saturated extract contained 20, 10 and 100 meq/liter of Ca⁺², Mg⁺² and Na⁺¹ , respectively :-
53 The result of soil moisture stress due to imbalance between available soil moisture and evoporation of a crop is :-
54 Recommended nitrogen dose for frenchbean ranges between :-
55 For measuring energy status of soils water, tensiometer works well within narrow moisture range upto :-
56 The moisture retention curve obtained by gradual wetting of an initially dry soil is termed as :-
57 What will be the plant population per hectare if cotton is sown at a spacing of 100 cm X 50 cm ?
58 Select the correct pair with respect to crop and insect :-
59 Find out the maize equivalant yield of maize + green gram intercropping system with the given information :-
(1) Maize yield 30q/ha
(2) Green gram yield 4q/ha
(3) Cost of maize Rs. 44 q/ha 40 q/ha 36 q/ha 32 q/ha
60. The parabolic response curve to describe plant population and yield relationship has been expressed as :-
61 The correct label colour for foundation seed tag is :-
- Blackgram
- Greengram
- Pigeonpea
- Cowpea
32 Castor belongs to the family :-
- Solanaceae
- Convolvulaceae
- Euphorbiaceae
- Chenopodiaceae
33 Which of these is a correct pair of International system of units and centimeter-gram-second unit relationship with reference to solar
radiation ?
- 697.93 watt/m² = 1 calory/cm²/min.
- 797.93 watt/m² = 1 calory/cm²/min.
- 897.93 watt/m² = 1 calory/cm²/min.
- 997.93 watt/m² = 1 calory/cm²/min.
34 The analysis component of precision agriculture which provides data storage, retrieval and transformation to spatial data is :-
- Global Information System (GIS)
- Global Positioning System (GPS)
- Decision Support System (DSS)
- Variable Rate Technology (VRT)
35 The part of radiation utilized by plants in respiration is called :-
- Metabolic heat
- Latent heat
- Sensible heat
- Soil heat flux
36 The expression PET = KETₒfor the estimation of potential evapotranspiration from free water evaporation was given by :-
- Penman (1948)
- Blaney riddle (1950)
- Jensen and Haize (1963)
- Thornthwaite (1948)
37 The medium irrigation projects have cultivable command area of :-
- 2000-10,000 ha
- 10,000-15,000 ha
- 15,000-20,000 ha
- 20,000-25,000 ha
38 Find out the depth of irrigation water if one hectare area is irrigated with an average discharge of 25 liters per second for 6 hours :-
- 5.4 cm
- 6.2 cm
- 6.8 cm
- 7.2 cm
39 The loss of water on way between source and point of utilization for irrigation is denoted by :-
- Water application efficiency
- Water distribution efficiency
- Water storage efficiency
- Water conveyance efficiency
40 The mycoherbicide 'De-vine' contains fungal spores of :-
- Colletotrichum gloesporiodes
- Phytopthora palmivora
- Streptomycus hygroscopicus
- Bipolaris sorghicola
41 Oxyfluorfen belongs to the herbicide family ?
- Imidazolinones
- Substituted aromatic acids
- Substituted ureas
- Diphenyl ethers
42 Which of these herbicides produces H2O2 in plants ?
- Paraquat
- Metsulfuron
- Glyphosate
- Imazethapyr
43 A weed that has become an integral part of a crop ecosystem is termed as :-
- Facultative weed
- Obligate Weed
- Satellite weed
- Alien weed
44 Which species of Orobanche has branched stem :-
- O. ramosa
- O. aegyptica
- O. crenata
- O. minor
45 The seed rate (kg/ha) of taramira pure crop is about :-
- 2
- 5
- 8
- 10
46 The optimum temperature for germination of wheat seeds is about :-
- 12-16° C
- 20-22° C
- 25-28° C
- 10-12° C
47 Zea mays indurata is :-
- Flint Maize
- Dent maize
- Sweet maize
- Pop corn
48 In reference to cotton crop, a "count" is :-
- No. of hanks of 761 m each weighing 0.453 kg
- No. of hanks of 840 m each weighing 1.00 kg
- No. of hanks of 900 m each weighing 0.50 kg
- No. of hanks of 1000 m each weighing 1.20 kg
49 Which one of the following varieties of sugarcane is not suitable for ratooning ?
- Co-997
- Co-1007
- Co-8145
- Co-419
50 Kodo millet is :-
- Setaria italica
- Panicum miliaceum
- Paspalum scrobiculatum
- Echinochloa frumentacea
51 Which of the following varieties of groundnut has spreading growth habit ?
- JL-24
- Pratap mungfali - 1
- GG - 2
- M - 13
52 Calculate the sodium adsorption ratio of a soil, if soil analysis revealed that saturated extract contained 20, 10 and 100 meq/liter of Ca⁺², Mg⁺² and Na⁺¹ , respectively :-
- 34.8
- 31.8
- 28.8
- 25.8
53 The result of soil moisture stress due to imbalance between available soil moisture and evoporation of a crop is :-
- Agricultural drought
- Meteorological drought
- Atmospheric drought
- Hydrological drought
54 Recommended nitrogen dose for frenchbean ranges between :-
- 50-60 kg/ha
- 60-70 kg/ha
- 80-90 kg/ha
- 110-120 kg/ha
55 For measuring energy status of soils water, tensiometer works well within narrow moisture range upto :-
- 0.8 bars
- 1.2 bars
- 1.5 bars
- 1.8 bars
56 The moisture retention curve obtained by gradual wetting of an initially dry soil is termed as :-
- Cohesion
- Adhesion
- Desorption
- Sorption
57 What will be the plant population per hectare if cotton is sown at a spacing of 100 cm X 50 cm ?
- 15000
- 20000
- 40000
- 50000
58 Select the correct pair with respect to crop and insect :-
- Mustard - grass hopper
- Sugarcane - top borer
- Cotton - pink borer
- Maize - shoot fly
59 Find out the maize equivalant yield of maize + green gram intercropping system with the given information :-
(1) Maize yield 30q/ha
(2) Green gram yield 4q/ha
(3) Cost of maize Rs. 44 q/ha 40 q/ha 36 q/ha 32 q/ha
- 44 q/ha
- 40 q/ha
- 36 q/ha
- 32 q/ha
60. The parabolic response curve to describe plant population and yield relationship has been expressed as :-
- y = Ap + 1/(1+Abp)
- y = a + bp + cp²
- y = a + bp + c√p
- 1/w = a + bp + cp²
61 The correct label colour for foundation seed tag is :-
- Golden yellow
- White
- Blue
- Opal green
62 Which one is not an important use of covariance analysis in agricultural research ?
63 The probe unit of neutron moisture meter consist a mixture of :-
64 The highest clouds are :-
65 1 ha-cm water equals to :-
66 Water potential of atmosphere in a humid weather is about :- -
67 National Institute of Abiotic Stress Management is situated at :-
68 Censor mechanism of seed dispersal is found in :-
69 Which ingradient of safflower oil makes it most suitable for heart patients?
70 The concept of multiple cropping index was proposed by :-
71 Which among the following is a multicut variety of sorghum ?
72 What will be the harvest index (%) if maize grain yield is 60 q/ha and stover yield is 140 q/ha ?
73 Who developed the "System of Rice Intensification" ?
74 In Plants the majot use of 'Abscisic acid' is :-
75 The weed which is commonly known as field bind weed is ?
76 The bubble system of irrigation is preferably suitable for
77 Durum wheat variety recommended for irrigated conditions :-
78 Lycine and tryphtophane rich variety of maize is :-
79 Farm implement that is not considered as primary tillage implement :-
80 Which among the following is the major constituent of atmospheric brown clouds ?
81 Which of the following crops has higher water use efficiency ?
82 Which among the following is an organic fertilizer ?
83 How many days it generally takes to convert urea into nitrate form ?
84 In the process of nitrogen mineralization, the first step is called :-
85 Which among the following herbicides is known as soybean herbicide ?
86 What will be the selectivity index of atrazine on maize, if the plants can tolerate it upto 6 kg/ha and the minimum dose to kill weeds is 1 kg/ha ?
87 Land capability class VIII in maps is represented by the colour :-
88 Traditional method of cultivating the land when pond water receds in arid region is :-
89 Krishnan and Mukhtar singh (1968) classified climate on the basis of moisture deficit index (MDI) into :-
90 What will be the cropping intensity of a farm if a farmer is growing three crops in a year on a piece of land ?
- To control experimental error and to adjust treatment means
- To estimate missing data
- To aid in interpretation of experimental result
- To compute relative range of parameters
63 The probe unit of neutron moisture meter consist a mixture of :-
- Americium & beryllium
- Barium & americium
- Helium & beryllium
- Radium & barium
64 The highest clouds are :-
- Cirrus
- Stratus
- Cumulus
- Cumulo-nimbus
65 1 ha-cm water equals to :-
- 1000 liter
- 10,000 liter
- 1,00,000 liter
- 10,00,000 liter
66 Water potential of atmosphere in a humid weather is about :- -
- -100 MPa
- -10 MPa
- -1 MPa
- -0.1 MPa
67 National Institute of Abiotic Stress Management is situated at :-
- Baramati
- Gorakhpur
- Gurudaspur
- Karnal
68 Censor mechanism of seed dispersal is found in :-
- Celosia argentea
- Chloris virgata
- Crotolaria burhia
- Calotropis procera
69 Which ingradient of safflower oil makes it most suitable for heart patients?
- Oxalic acid
- Erucic acid
- Linoleic acid
- Mafenic acid
70 The concept of multiple cropping index was proposed by :-
- Dalrymple
- Chuang
- Easton
- Donald
71 Which among the following is a multicut variety of sorghum ?
- SSG 59-3
- Pratap Chari
- Rajasthan chari -1
- Rajasthan chari -2
72 What will be the harvest index (%) if maize grain yield is 60 q/ha and stover yield is 140 q/ha ?
- 20
- 30
- 40
- 50
73 Who developed the "System of Rice Intensification" ?
- Father Henri de Laulanie
- Dr. Norman Uphoff
- Father Charles
- Dr. Ten Berge
74 In Plants the majot use of 'Abscisic acid' is :-
- Lodging preventer
- Dormancy breaker
- Plant cell growth regulator
- Defoliant
75 The weed which is commonly known as field bind weed is ?
- Sorghum halpense
- Convolvulus arvensis
- Echnichloa colona
- Digitaria sanguinalis
76 The bubble system of irrigation is preferably suitable for
- Closely planted vegetables
- Closely planted cereals
- Widely spaced fruit crop
- Big lawns
77 Durum wheat variety recommended for irrigated conditions :-
- Raj 1555
- Raj 3077
- Raj 4037
- Raj 4083
78 Lycine and tryphtophane rich variety of maize is :-
- HQPM - 1
- Ganga - 1
- Navjot
- HQPM - 10
79 Farm implement that is not considered as primary tillage implement :-
- Indigenous Plough
- Mouldboard Plough
- Chisel plough
- Blade Harrow
80 Which among the following is the major constituent of atmospheric brown clouds ?
- Dust
- Fly ash
- Nitrates
- Sulphate
81 Which of the following crops has higher water use efficiency ?
- Rice
- Potato
- Wheat
- Maize
82 Which among the following is an organic fertilizer ?
- Calcium cyanamide
- Ammonium chloride
- Calcium ammonium nitrate
- Ammonium sulphate
83 How many days it generally takes to convert urea into nitrate form ?
- About 3 days
- About 7 days
- About 15 days
- About 20 days
84 In the process of nitrogen mineralization, the first step is called :-
- Aminization
- Nitrification
- Ammonification
- Immobilization
85 Which among the following herbicides is known as soybean herbicide ?
- Quizalofop - ethyl
- Pendimethalin
- Alachlor
- Metribuzin
86 What will be the selectivity index of atrazine on maize, if the plants can tolerate it upto 6 kg/ha and the minimum dose to kill weeds is 1 kg/ha ?
- 3.5
- 6.0
- 8.0
- 9.0
87 Land capability class VIII in maps is represented by the colour :-
- Green
- Brown
- Purple
- Red
88 Traditional method of cultivating the land when pond water receds in arid region is :-
- Farm pond
- Taungya cultivation
- Khadin cultivation
- Tanka cultivation
89 Krishnan and Mukhtar singh (1968) classified climate on the basis of moisture deficit index (MDI) into :-
- 4 classes
- 6 classes
- 8 classes
- 10 classes
90 What will be the cropping intensity of a farm if a farmer is growing three crops in a year on a piece of land ?
- 100%
- 200%
- 300%
- 400%
91. Soybean is originated from which country ?
(A) China
(B) India
(C) Brazil
(D) Mexico
Ans: A
(A) China
(B) India
(C) Brazil
(D) Mexico
Ans: A