Fertiliser Technology Which of the following does not come under the category of'primary nutrient' for plant growth? Nitrogen Sulphur Phosphorous Potassium Nitrogen Sulphur Phosphorous Potassium ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Dehydration of ammonium carbamate to yield urea is a/an __________ reaction. Endothermic Catalytic Autocatalytic Exothermic Endothermic Catalytic Autocatalytic Exothermic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the Soil becomes too alkaline Soil becomes too acidic Osmotic pressure of the soil water becomes higher than that of the plant sap Osmotic pressure of the soil water becomes less than that of the plant sap Soil becomes too alkaline Soil becomes too acidic Osmotic pressure of the soil water becomes higher than that of the plant sap Osmotic pressure of the soil water becomes less than that of the plant sap ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Potassic fertilisers Help in development of starches of potatoes and grain None of these Are useful during early stage of the plant growth Stimulate early growth and accelerate seeding Help in development of starches of potatoes and grain None of these Are useful during early stage of the plant growth Stimulate early growth and accelerate seeding ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Triple superphosphate which contains about 46% P₂O₅ is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration. 52-54 25-28 75-80 > 98 52-54 25-28 75-80 > 98 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Temperature and pressure in ammonia converter is 450 atm, 550°C 450 atm, 200°C 200 atm, 1000°C 450 atm, 1000°C 450 atm, 550°C 450 atm, 200°C 200 atm, 1000°C 450 atm, 1000°C ANSWER DOWNLOAD EXAMIANS APP