Soil Science One Liners For All Agricultural Exams
Soil Science One LinersSubject:- Soil Science
Special 30 One Liner Questions
| Questions | Answer | |
| 1 | The most important alkaloid in opium is? | Morphin |
| 2 | Plough is used to turn over the soil is? | Mould board Plough |
| 3 | Soils are having highly decomposed organic matter? | Muck soils |
| 4 | Soil colour determined by using? | Munsell colour chart |
| 5 | Potassic fertilizer containing highest amount of K2O? | Muriate of potash (60% K2O) |
| 6 | The recommended fertilizer dose (N:P:K) for cereal crops are? | 4:02:01 |
| 7 | Which is explosive nature fertilizer ? | Ammonium Nitrate |
| 8 | The rate of unsaturated flow water in soils in the order? | clay > loam > Sandy |
| 9 | One cm of surface soil over one ha of land weight is? | 150 tones |
| 10 | Phosphorus fertilizer use efficiency is? | 15-20% |
| 11 | Single super phosphate contain? | 16 % P2O5,21 % Ca and 12% S |
| 12 | N% in sodium nitrate? | 16% N |
| 13 | Weight of soil furrow slice? | 2 X 106 kg/ha |
| 14 | The weight of one hectare of surface soil (O-15 cm) in? | 2.25 x 106 Kg/ha |
| 15 | The Critical level of 0.005M DTPA extractable iron? | 2.5 to 5.8 ppm |
Soil Science One Liners
| Questions | Answer | |
| 16 | Particle density of most of the soils is? | 2.65 g/cm3(g/cc) |
| 17 | The value of particle density is in stocks law? | 2.65g/cm3 |
| 18 | Montmorillonite is a type of mineral ? | 2:1 expanding type |
| 19 | Which type clay minerals are not pH dependent? | 2:1 type |
| 20 | The formula of porosity of soil is? | porosity = 100-(bulk density/ Particle density) |
| 21 | Oldest nitrogen fertilizer manufactured in India? | (NH4)2 SO4– |
| 22 | Which horizon is called Fertile zone? | ‘A’ horizon |
| 23 | The illuviation horizon is? | ‘B’ horizon |
| 24 | The horizon absent in arable land? | ‘O’ horizon |
| 25 | Desired size of the soil sample for soil testing is? | 0.50 kg |
| 26 | P is fixation is more in in the crystal lattices of? | 1:1 type of clay minerals (Kaolinite) |
| 27 | The recommended fertilizer dose (N:P:K) for pulse crops are? | 1:2:1 or 1:2:2 |
| 28 | The C : N ratio of the soil are fairly constant between? | 10 : 1 to 12 : 1 |
| 29 | Tensiometer can be used to measure soil water tension up to? | 0.85 bars. |
| 30 | Permissible soil loss by water is? | 12 t/ha |
Soil Science One Liners
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