# Bulk population breeding is suitable for:
A. Fruit crops
B. Vegetable crops
C. Small grain crops
D. Flower crops
# Cooperative society is basic institution for:
A. Political growth of the villagers
B. Social growth of the villagers
C. Cultural growth of the villagers
D. Socio-economic growth of the villagers
# Endosulfan belongs to:
A. Chlorinated hydrocarbons
B. Organophosphates
C. Carbamates
D. Thiocyanates
# Erisilk worms are commercially reared on:
A. Mulberry leaves
B. Castor leaves
C. Tobacco leaves
D. None of the above
# Lalit is an improved variety of?
A. Guava
B. Papaya
C. Mango
D. Banana
# Cut worm is a pest of:
A. Gram
B. Potato
C. Wheat
D. Maize
# Chloroplasts are absent in:
A. Fungi
B. Blue-green algae
C. Photosynthetic bacteria
D. All of the above
# An agent that causes gene mutations is known as:
A. Mutant
B. Mutation
C. Mutagen
D. Mutator
# Which of the following is the best example of combined sources of fat and SNF?
A. Sweetened condensed milk
B. Lactose powder
C. Whey powder
D. Skim milk powder
# Which one of the following fruit is monocot in nature?
A. Mango
B. Pineapple
C. Litchi
D. Papaya
# Corchorus capsularis belongs to family:
A. Tiliaceae
B. Malvaceae
C. Euphorbiaceae
D. Compositae
# An acidic buffer solution can be prepared by mixing solution of:
A. Ammonium acetate and acetic acid
B. Ammonium chloride and ammonium hydroxide
C. Sulphuric acid and sodium sulphate
D. Sodium chloride and sodium hydroxide
# Which one of the following is evergreen temperate plant?
A. Apricot
B. Chilgoza
C. Plum
D. Almond
# The most popular method for mango planting is ?
A. Rectangular
B. Diagonal
C. Contour
D. Square
# Cultivation of the apical meristems, particularly of shoot apical meristem, is known as:
A. Embryo culture
B. Meristem culture
C. Pollen culture
D. Tissue culture
# Citrus gummosis is spread through:
A. Air
B. Insects
C. Irrigation water
D. Man
# Ammonium sulphate contain approximately:
A. 10% nitrogen
B. 20% nitrogen
C. 28% nitrogen
D. 36% nitrogen
# Alternaria blight disease can be effectively controlled by:
A. BHC
B. Aldrin
C. Treating seeds with hot water
D. All of the above
# NPK are regarded in plant nutrition as?
A. Trace element
B. Macro nutrient
C. Non essential
D. Micro nutrient
# Which one of the following fruits is a rich source of iron?
A. Mango
B. Date-palm
C. Apple
D. Karonda
# Club root of crucifers is caused by:
A. Colletotrichum
B. Puccinia
C. Plasmodiophora
D. Sclerospora
# Which one an example of dioecious crop?
A. Papaya
B. Coconut
C. Tea
D. Mango
# Conidia are the sources of inoculum in ergot of bajra:
A. Primary
B. Secondary
C. Tertiary
D. All of the above
# An area in which seeding are raised to be transplanted elsewhere is called:
A. Brashing
B. Shifting cultivation
C. Crop rotation
D. Nursery
# Conservation of rainwater by collecting run-off precipitation for supplemental irrigation is called:
A. Moisture conservation
B. Water harvesting
C. Water collection
D. Watershed management
# Cucurbits in early stage are mainly damaged by:
A. Aphids
B. Jassids
C. Borers
D. Red pumpkin beetle
# Sweet orange belongs to the family of ?
A. Bombacaceae
B. Rosaceae
C. Rutaceae
D. Vitaceae
# Crop, which can be propagated by vegetative parts:
A. Pineapple
B. Coconut
C. Papaya
D. Phalsa
# Seedless in banana is due to ?
A. Vegetative parthenocarpy
B. None of the above
C. Stimulative parthenocarpy
D. Stenospermocarpy
# The sensitive stage to moisture stress in sorghum is ?
A. Grain filling
B. Flowering
C. Both Flowering and Grain filling
D. None of the above
# Contagious abortion in cow is caused by:
A. Clostridium
B. Streptococcus
C. Brucella
D. Entodinium
# Yellow coloured fruits and vegetables are rich source of:
A. Vit. ‘E’
B. Vit. ‘C’
C. Vit. ‘A’
D. Vit. ‘B’
# The average chemical composition of NPK of night soil is:
A. 3.7 – 4.0 – 2.0
B. 0.5 – 0.6 – 0.5
C. 2.0 – 2.6 – 0.5
D. 5.5 – 4.0 – 2.0
# Tarai soils are high in:
A. Iron
B. Sodium
C. Organic matter
D. Calcium
# Soil organic matter has many remarkable effects and one of them is given below, identify the same:
A. Encouraged granulation
B. Increased elasticity
C. Enhanced cohesion
D. Low cation exchange
# S.M.P. buffer is used in determination of:
A. Lime
B. Potassium
C. Nitrogen
D. Calcium
# The concept of soil as a natural body was first developed by:
A. C.F. Marbut
B. K.D. Gilinka
C. V.V.Dakuchaev
D. E.W.Hilligard
# The conditions responsible for the formation of salt affected soil is:
A. High rainfall
B. Low rainfall and high evaporation
C. Irrigation with good quality water
D. All of the above
# The average soil bulk density of cultivated loamy soil is approximately:
A. 0.5 – 1.0 gm cm-3
B. 1.5 – 1.65 cm-3
C. 1.1 – 1.4 gm cm-3
D. None of the above
# Temperature has got significant effects on:
A. Structure
B. Biological activity
C. Weathering of rocks and minerals
D. All of above
# Soil samples are collected to:
A. Plastic bags
B. Metal containers
C. Gunny bags
D. Wooden boxes
# Saline soils are reclaimed/managed by:
A. Addition of gypsum
B. Addition of lime
C. Leaching the soluble salts
D. Addition of pyrite
# Which one of the following oil cakes, in addition to its manurial value, acts also as a nitrification inhibitor?
A. Mustard
B. Groundnut
C. Neem
D. Til
# The acidic igneous rocks contain silica:
A. >65%
B. <65%
C. 60-65%
D. None of above
# The bacteria considered most important to bring about the conversion of NH4 to NH2:
A. Nitrosomonas
B. Nitrobacter
C. Both (a) & (b)
D. Azotobacter
# Which of the following statements is more correct as regards to “luxury consumption” of K found in minute?
A. Maize has mechanism to increase yields by taking excess K above the optimum requiremen
B. Maize takes excess K above the optimum requirement even though growth and yield are not promoted
C. Maize takes excess K above the optimum requirement the concentration which becomes toxic to plants
D. None of the above
# Saline-sodic soils have the value of:
A. EC more than 4 mmhos/cm, ESP more than 15, pH more than 8.5
B. EC less than 4 mmhos/cm, ESP more than 15, pH
C. EC less than 4mmhos/cm, ESP more than 15, pH more than 8.5
D. EC less than 4 mmhos/cm, ESP more than 15 pH more than 8.5
# Soil structural units having horizontal axis much longer than vertical axis. Such type of soil structure is known as:
A. Prismatic
B. Blocky
C. Platy
D. Columnar
# The acidity of H+ absorbed on solid phase is known as:
A. Reserve acidity
B. Active acidity
C. Both of the above
D. None of these
# The bacteria responsible for fixation of nitrogen in soyabean are:
A. Rhizobium leguminosarum
B. Rhizobium phaseoli
C. Rhyzobium glycicum
D. Rhizobium japonicum
# The conversion of amount into nitrate by microorganisms is known as:
A. Nitrogen fixation
B. Nitrification
C. Denitrification
D. Loss of nitrogen
# The crop suitable for cultivation in saline sodic soil would include:
A. Soyabean and rice
B. Soyabean and sugar beet
C. Sugarbeet and rice
D. Trice and maize
# The best estimate of the available P in phosphatic fertilizers is obtained from the:
A. Water soluble fraction
B. Citrate insoluble fraction
C. Citrate soluble fraction
D. Water soluble and citrate soluble fraction
# The acidity of H+ in aqueous phase of soils is called:
A. Reserve acidity
B. Active acidity
C. Permanent charge
D. None of these
# Soil survey’s are of different type:
A. Three type
B. Four types
C. Two type
D. None of the above
# Sand stone and limit stone are the examples of:
A. Metamorphic rock
B. Igneous rock
C. Sedimentary rock
D. All of these
# Sedimentary rocks are formed by:
A. Solidification of lava
B. Increase in pressure
C. Increase in temperature
D. Cementation of broken parts
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