Description : The fertilizer which destroys soil aggregates
Last Answer : Ans. Sodium nitrate
Description : Natural grazing pattern is known as
Last Answer : Ans. Ranching
Description : The protists have (a) only free nucleic acid aggregates (b) membrane bound nucleoproteins lying embedded in the cytoplasm (c) gene containing nucleoproteins condensed together in loose mass (d) nucleoprotein in direct contact with the rest of the cell substance.
Last Answer : (b) membrane bound nucleoproteins lying embedded in the cytoplasm
Description : The 28 days cube strength of mass concrete using aggregates of maximum size 5 cm for gravity dams should be (A) Between 150 to 300 kg/cm2 (B) Between 350 to 600 kg/cm2 (C) Between 150 to 500 kg/cm2 (D) Below 200 kg/cm2
Last Answer : Answer: Option D
Description : In a mass concrete, the aggregates occupy a space of [ A ] 25% [ B ] 75% [ C ] 40% [ D ] 60%
Last Answer : [ B ] 75%
Description : Tilth is related to a. Soil aggregates shape b. Soil aggregates size distribution c. Soil aggregates arrangement d. All of these
Last Answer : d. All of these
Description : Pick up the correct statement from the following: (A) The ratio of total volume of voids in soil aggregates to the total volume of aggregate, is called Porosity (B) Water retained by the interstices ... (C) Sum of the percentage of specific yield and specific retention is 100 (D) All the above
Description : Pavement is said to be flexible if it contains (A) Water bound macadam surface (B) Stabilised soil base constructed of lime cement or tar (C) Bitumen-bound stone layer of varying aggregates (D) All the above
Description : Large portions of the earth with similar climate, soil, plant and animal life community is known as
Last Answer : Ans. Biosphere
Description : The saline – alkali soil is also known as
Last Answer : Ans. Usar
Description : Study of origin, classification, morphology of soil is known as
Last Answer : Ans. Pedology
Description : Soil water is known as
Last Answer : Ans. Blue water
Description : Water soluble molecular aggregates of lipids are known as (A) Micelle (B) Colloids (C) Sphingol (D) Mucin
Last Answer : Answer : A
Description : When each particle of aggregates is thinly coated with cement paste, a heterogeneous solid is formed, which is known as (A) Hydration (B) Gel (C) Concrete (D) None of these
Last Answer : Answer: Option C
Description : Separation of coarse aggregates from mortar during transportation, is known (A) Bleeding (B) Creeping (C) Segregation (D) Shrinkage
Description : The aggregate containing moisture in pores and having its surface dry, is known as (A) Moist aggregates (B) Very dry aggregates (C) Dry aggregates (D) Saturated surface dry aggregate
Description : The resistance of an aggregates to wear is known as (a) Shear value (b) Crushing value (c)Abrasion value (d) Impact value
Last Answer : (c)Abrasion value
Description : The resistance of an aggregates to compressive forces is known as (a) Crushing value (b) Impact value (c)Abrasion value (d) None of these
Last Answer : (a) Crushing value
Description : An art of growing and training of a plant to a miniature form having a natural look of old age.
Last Answer : Ans. Bonsai
Description : Natural genetic engineer
Last Answer : Ans. Agrobacterium (III) Seed Science
Description : Theory of evolution through natural selection was given by
Last Answer : Ans. C.Darwin and A.R.Wallace (1858)
Description : A natural warming process involving the interaction of sunlight and carbon dioxide and other gases from the atmosphere
Last Answer : Ans. Green house effect
Description : A sheet of paper with pictorial slogan, which is utilized to attract the mass attention for single idea.
Last Answer : Ans. Poster
Description : The media used for mass contact
Last Answer : Ans. Radio, Television, Exhibitions, Bulletins, Leaflets, News letter, Circular letters, Posters, folder/pamphlet etc.
Description : Sooty or charcoal like powdery mass usually appearing on floral organs particularly the ovary is
Last Answer : Ans. Smut
Description : Mass flow or pressure flow theory was given by
Last Answer : Ans. Godlewski (1884)
Description : Mass selection is always based on
Last Answer : Ans. Phenotype
Description : A mass of rotted organic matter made from waste
Last Answer : Ans. Compost
Description : The soil, air and seed borne disease of wheat
Last Answer : Ans. Kernal bunt (Neovossia indica)
Description : The soil borne disease of rice
Last Answer : Ans. Sheath blight of rice (Rhizoctonia oryzae)
Description : Nutrients absorbed by plants from soil solution are carried upward through the
Last Answer : Ans. Xylem
Description : The cause of most of the gaseous interchange in soil
Last Answer : Ans. Diffusion
Description : Which of the plant species can be suggested on saline soil?
Last Answer : Ans. Haloxylon salicornium (II) Biochemistry
Description : The crops prefer acidic soil
Last Answer : Ans. Rice, tea and potato
Description : Method used for the determination of lime requirement of an acid soil is
Last Answer : Ans. Shoemaker’s method
Description : Alkaline soil is also called as
Last Answer : Ans. Solanetz and Black alkali
Description : Saline soil is also called as
Last Answer : Ans. Solan chalk and White alkali
Description : The soil, which have 8.5 indicates soil is
Last Answer : Ans. Alkaline
Description : Immobile element in soil is
Last Answer : Ans. Phosphorus
Description : In waterlogged rice field, atmospheric nitrogen can be fixed to the soil by
Last Answer : Ans. BGA
Description : Conversion of soil nitrate into gaseous nitrogen is
Last Answer : Ans. Denitrification
Description : Conversion of NH4 to NO2 in soil is brought out by
Last Answer : Ans. Nitrosomonas
Description : Azatobactor can fixes atmospheric nitrogen/ha to the soil.
Last Answer : Ans. 20-30 kg
Description : Rhizobium fixes atmospheric nitrogen/ha to the soil
Last Answer : Ans. 50-100 kg
Description : The method used to determine available phosphorus from soil is
Last Answer : Ans. Olsen’s method
Description : The medium range of available N in soil
Last Answer : Ans. 280-560 kg/ha
Description : The phosphatic fertilizer suitable for acid soil
Last Answer : Ans. Bone meal (23-30%P2O5 )
Description : A practice of turning un-decomposed fresh green plant tissue into the soil to improve fertility status and physical structure of the soil.
Last Answer : Ans. Green Manuring
Description : The capacity of the soil to produce plants under a specified programme of management and it is expressed in terms of yields
Last Answer : Ans. Soil Productivity
Description : The inherent capacity of the soil to supply nutrients to plants in adequate amount and in suitable proportions
Last Answer : Ans. Soil Fertility