Related Questions

Which of the following nitrogenous fertilisers has the highest percentage of nitrogen?
A Calcium nitrate
B Calcium ammonium nitrate (CAN)
C Urea
D Ammonium sulphate
Which one of the following elements is least likely to be found in commercial fertilisers?
A Nitrogen
B Phosphorous
C Potassium
D Silicon
Which of the following is not a measure component necessarily to be present in fertilisers?
A Nitrogen
B Potassium
C Phosphorous
D Sulphur
Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth?
A Nitrogeneous fertiliser
B Potassic fertiliser
C Phosphatic fertiliser
D None of these
Which of the following fertilisers is used as a cattle feed?
A Urea
B Calcium ammonium nitrate
C Superphosphate
D Ammonium sulphate
Which of the following fertilisers is produced in the by-products recovery (from coke oven gas) plant attached to an integrated steel plant?
A Ammonium sulphate
B Ammonium nitrate
C Ammonium phosphate
D None of these
Commercial fertilisers are available mostly in the form of
A Powder
B Grannules
C Lumps
D Flakes
Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil.
A Nutrient supply
B Texture
C Water holding capacity
D All of the above
Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by
A Steam reforming of naphtha and cracking of natural gas
B Electrolysis of water
C Cryogenic separation of hydrogen from coke oven gas
D All of the above
The three elements most needed in common fertilisers are :
A Sulphur, Phosphorous and Sodium
B Nitrogen, Potassium and Phosphorous
C Phosphorous, Sodium and Nitrogen
D Calcium, Phosphorous and Potassium

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