Soil Science One Liners For All Agricultural Exams
Soil Science One LinersSubject:- Soil Science
Special 30 One Liner Questions
| Questions | Answer | |
| 1 | Particle density of soil is also known as? | True,Gain,Real,Absolute density |
| 2 | The cheapest fertilizer based on unit value? | Urea |
| 3 | Nitrogenous fertilizer is of amide group? | Urea and CaCN2 |
| 4 | Straight fertilizer? | Urea/Potassium Chloride/Ammonium Sulphate |
| 5 | Intensive grossing is practised in which land capability class? | V (5th) |
| 6 | N is an essential component of? | Amino acids, proteins, nucleic acids and alkaloids |
| 7 | In waterlogged condition soil nitrogen is generally found in the form of? | Ammonical |
| 8 | Which is the first stage of mineralization of Nitrogen? | Amonization |
| 9 | Leaves of azolla have the colonies of? | Anabaena |
| 10 | In the absence of Ca, absorption of K & Br is reduced in a plant while the same increases in the presence of Ca. This phenomenon is called? | Antagonism |
| 11 | Major source of P? | Apatite |
| 12 | ‘O’ horizon is absent in which soils? | Arable soils |
| 13 | When temperature exceeds 1000C, urea produces a toxic product called? | biuret |
| 14 | The biofertilizer used for irrigated rice crop? | Blue green algae or Cyanobacteria |
| 15 | The phosphatic fertilizer suitable for acid soil? | Bone meal (23-30% P2O5) |
Soil Science One Liners
| Questions | Answer | |
| 16 | During biological process of weathering of rocks which increases the amount of available nutrient at the rock’s surface by photosynthesis? | Lichens |
| 17 | Very slow decomposition of organic residue? | Lignin |
| 18 | Sedimentary rocks are? | Limestone, Dolomite and Sandstone |
| 19 | Vermiculate is ____________ a type of mineral? | Limited expanding 2:1 type mineral |
| 20 | Plant that grow in or on rock crevices called? | Lithophytes/Chasmophytes |
| 21 | The best agricultural texture is? | Loam |
| 22 | Rocks are formed from igneous rocks by the influence of high pressure and temperature called? | Metamorphic rocks |
| 23 | National Bureau of Soil Survey and Land Use Planning (NBSS and LUP) is located at? | Nagpur |
| 24 | The fertilizer induces poor physical condition of soil is? | NaNO3- |
| 25 | Which oil used for increasing the use efficiency of Urea ? | Neem |
| 26 | Natural nitrification inhibitors? | Neem cake,Thiourea,Pyrimidine
,Nitropyrine,Oxamide |
| 27 | Which are slow release fertilizer? | Neem coated urea, N-serve, |
| 28 | The colloidal surfaces of humus are? | Negatively charged |
| 29 | SSP is suitable for? | neutral to alkaline soils |
| 30 | National centre for Agriculture Economics and Policy Research is located at? | New Delhi. |
Soil Science One Liners
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