Soil Science One Liners For All Agricultural Exams
Subject:- Soil Science
Special 30 One Liner Questions
| Questions | Answer | |
| 1 | Nutrient mobility concept given by? | Bray |
| 2 | In acid soils estimation of available P method is? | Bray (0.03 N NH4 F+ 0.025 N HCI) |
| 3 | Quick test for P is? | Brays modified test |
| 4 | Sub-soiling is? | Breaking the hard part & No inversion of soil |
| 5 | The capacity of a soil to resist(Resistance) appreciable change in pH value is called? | Buffering capacity |
| 6 | Mass per unit volume is called? | Bulk density |
| 7 | Tillage increases the water holding capacity and infiltration of soil but reduce? | bulk density |
| 8 | Trench method of preparing FYM was recommended by? | C. N. Acharya |
| 9 | The essentiality of K, Ca, Mg and P to plant given by? | C. Sprengel |
| 10 | The process of removal of material from upper horizons of profile to lower horizon called? | Elluviation /mitigation |
| 11 | Soil horizon A2 is? | Eluvial horizon |
| 12 | The diagnostic sub surface horizon called as? | Endopedon |
| 13 | The main function of the nutrient Phosphorus in the plant is? | Energy transfer |
| 14 | The most dominant soil order of India? | Entisol |
| 15 | Which commercial fertilizer contains Mg & Ca as secondary nutrients? | Epsum & Gypsum |
Soil Science One Liners
| Questions | Answer | |
| 16 | The primary mineral which form the chief constitutents are called as? | Essential mineral |
| 17 | Peeling away of surface mass of rock due to variation in temperature is? | Exfoliation |
| 18 | Iron chelate suitable for reclamation of iron in acid soil? | Fe-EDTA (Ethylene Diamine Tetra Acetate) |
| 19 | The constituent of humus soluble in alkali insoluble in acid? | Humic acid |
| 20 | Process of decomposition of organic matter is called? | Humification |
| 21 | Soil colloid is made up inorganic colloid Clay and organic colloid? | Humus |
| 22 | Buffering capacity is high for? | Humus & clay |
| 23 | The weathering process involved in the formation of limonite from hematite? | Hydration |
| 24 | The fertilizers contain only two major nutrients such as N and P2O5 in chemical combinations is known as? | Incomplete complex fertilizer |
| 25 | ISSS full form? | Indian Society of Soil Science |
| 26 | The process of entry(Down ward) of water into soil called? | Infiltration |
| 27 | The substances which are organic in nature, capable of supplying plant nutrients in available form, bulky in nature and having no definite composition is called? | Manure |
| 28 | Lime stone on metamorphosis is converted to? | Marble |
| 29 | Metamorphic rocks are? | Marble, genesis, schist, slate and graphite |
| 30 | Morphogenetic system of soil classification given by? | Marbut |
Soil Science One Liners
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