Soil Science One Liner For Competitive exam
Soil Science One Liner
Quest.Principle uptake form of phosphorus by plants
Ans.H2PO4–
Quest.Immobile element in soil is
Ans.Phosphorus
Quest.Immobile element in plant is
Ans.Calcium
Quest.Plant takes the nutrient in the form of
Ans.Ions
Quest.The nutrient required for quality maintenance in potato
Ans.Potassium(Soil Science One Liner)
Quest.Nutrient, which maximum uptake by the plants
Ans.K+
Quest.Nutrient essential for oilseed crops
Ans.S
Quest.Structural component of Vit B12
Ans.Cu
Quest.Deficiency symptoms of N, P, K, Mg and Mo appear in
Ans.Older leaves
Quest.New leaves show deficiency symptoms of
Ans.Fe, Mn, Cu, S(Soil Science One Liner)
Quest.Old and new leaves show deficiency symptoms of
Ans.Zn
Quest.Deficiency symptoms of Ca and B appear in
Ans.Terminal buds
Quest.Cereal crops show ‘V’ shaped pale yellowing at lower leaf tips due to deficiency of
Ans.N
Quest.Deficiency appears as short internodes in plant.
Ans.N
Quest.Purple coloration appeared in leaves due to
Ans.P deficiency(Soil Science One Liner)
Quest.Scorching and burning on margins of bottom leaves and irregular fruit development of plant are most common symptoms of
Ans.K deficiency
Quest.Failure of terminal bud and root tips is the principle symptom of
Ans.Ca deficiency
Quest.Interveinal chlorosis occurs due to
Ans.Mg and Fe deficiency
Quest.Downward cupping of leaves in Tobacco and Tea shows
Ans.S deficiency(Soil Science One Liner)
Quest.Whip like structure appeared in terminal bud
Ans.B deficiency
Quest.Burning quality of Tobacco decreased due to
Ans.Chloride
Quest.Dia back and Little leaf disease in Citrus shows
Ans.Cu deficiency
Quest.Mn deficiency shows
Ans.Interveinal yellowing of younger leaves
Quest.Translucent spots of irregular shape between veins shows
Ans.Mo deficiency(Soil Science One Liner)
Quest.Upper leaves will show chlorosis on midrib, veins green and dead spots occur in all parts of leaf (veins, tips and margins) show
Ans.Zn deficiency
Quest.Zn toxicity is reduced by addition of
Ans.Superphosphate
Quest.A situation in which a crop needs more of a given nutrient yet has shown no deficiency symptoms
Ans.Hidden Hunger
Quest.Luxury consumed nutrient by plants i.e. maize
Ans.K
Quest.Excess of N, P and K causes deficiency of
Ans.Cu(Soil Science One Liner)
Quest.Excess of Ca causes deficiency of
Ans.P
Quest.Deficiency of N indicated by plant
Ans.Cauliflower
Quest.Deficiency of Bo indicated by plant
Ans.Sugarbeet
Quest.The soil, which have <4.0 pH is
Ans.Cat soil
Quest.The residual effect of urea on soil reaction is
Ans.Acidic(Soil Science One Liner)
Quest.Soil pH > 8.5 indicates soil is
Ans.Alkaline
Quest.Saline soil is also called as
Ans.Solan chalk and White alkali
Quest.Alkaline soil is also called as
Ans.Solanetz and Black alkali
Quest.The saline – alkali soil is also known as
Ans.Usar
Quest.Lime (CaCO3) is added to neutralize
Ans.Acid soils(Soil Science One Liner)
Quest.Gypsum (CaSO4.2H2O) is used for the reclamation of
Ans.Sodic/Alkaline soils
Quest.Pyrite (FeS2) is used to reclaim
Ans.Saline soils
Quest.Rock phosphate is applied in
Ans.Acid soil
Quest.Gypsum contains
Ans.29.2%Ca and 18.6%S
Quest.Method used for the determination of lime requirement of an acid soil is
Ans.Shoemaker’s method(Soil Science One Liner)
Quest.The crops prefer acidic soil
Ans.Rice, tea and potato
Quest.Highly salt tolerant crops
Ans.Barley and Sugarbeet
Quest.Which fertilizer is most beneficial for alkali soils?
Ans.Ammonium sulphate
Quest.Which of the plant species can be suggested on saline soil?
Ans.Haloxylon salicornium
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