Soil Science One Liners For All Agricultural Exams
Soil Science One LinersSubject:- Soil Science
Special 30 One Liner Questions
| Questions | Answer | |
| 1 | Nif: gene responsible for? | N-fixation |
| 2 | In assimilatory nitrate reduction, the nitrate reduced to? | NH3 |
| 3 | Paddy takes N in the form of? | NH4+ |
| 4 | The seventeenth essential element included in the list of nutrient element? | Nickel |
| 5 | The micro organism involved in oxidation of ammonia to nitrate is? | Nitrosomonas |
| 6 | Nitrifying bacteria as are? | Nitrosomonas and Nitrobactor |
| 7 | Uptake of nitrogen from soil, by most plants takes place in the form of? | Nitrate |
| 8 | The form of N is preferable for saline soils? | Nitrate form |
| 9 | The biological oxidation of NH4+ to nitrate is known as? | Nitrification |
| 10 | The conversion from nitrite to nitrate is carried out by? | Nitrobacter |
| 11 | Nicotine content in tobacco is related with? | Nitrogen |
| 12 | The plant nutrient when supplied in excess, prolongs the growing period and delay crop maturity is? | Nitrogen |
| 13 | Which nutrients can be applied by fertigation? | Nitrogen and sulphur |
| 14 | The enzyme which involved in biological nitrogen fixation? | Nitrogenase |
| 15 | The component of nitrate reduction is the? | Molybdenum |
Soil Science One Liners
| Questions | Answer | |
| 16 | The element essential for symbiotic nitrogen fixation? | Molybdenum |
| 17 | Which micro nutrient availability increase with increasing PH? | Molybdenum |
| 18 | Downward movement of nutrients and salts from the root zone with the water? | Leaching |
| 19 | Saline soils are reclaimed by? | Leaching |
| 20 | Losses of nitrogen through? | Leaching, volatilization, |
| 21 | Rock phosphate being highly potential source for heavy metals? | lead and cadmium |
| 22 | Site Specific Nitrogen Mgt.(SSNIM) is based on diagnostic tools such as chlorophyll meter and? | Leaf color chart |
| 23 | Root CEC high in? | Legumes |
| 24 | Organic matter content in Indian soils is generally? | Less than 0.5% |
| 25 | Organically/ Biochemically formed sedimentary rocks are? | Lignite and Anthracite |
| 26 | Most widely used for correcting soil acidity? | Lime |
| 27 | Which material is applied , Potassium(K) availability in the soil is decreased? | Lime |
| 28 | Newly formed alluvial soil is called? | Khadar |
| 29 | Which chemical used for prevention of colourless food product ? | KMS |
| 30 | The readily absorbed water and available to the plants is? | Capillary water |
Soil Science One Liners
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