A. Nitrogenous fertiliser
B. Potassic fertiliser
C. Phosphatic fertiliser
D. None of these
Related Mcqs:
- Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the__________________?
A. Osmotic pressure of the soil water becomes less than that of the plant sap
B. Soil becomes too alkaline
C. Osmotic pressure of the soil water becomes higher than that of the plant sap
D. Soil becomes too acidic - Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits ?
A. Nitrogenous fertilisers
B. Phosphatic fertilisers
C. Potassic fertiliser
D. None of these - Which nutrient in fertiliser makes the plant stems stronger and increases branching ?
A. Nitrogen
B. Phosphorous
C. Potassium
D. Calcium - Potassic fertilisers do not promote the development of ______________________?
A. Stems & leaves during early stage of plant growth
B. Starches of potatoes & grains
C. Sugar of fruits & vegetables
D. Fibrous materials of plants - The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is _____________ fertiliser?
A. Nitrogenous
B. Phosphatic
C. Potassic
D. None of these - 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 nitrogenous fertilisers has the highest percentage of nitrogen ?
A. Calcium nitrate
B. Calcium ammonium nitrate (CAN)
C. Urea
D. Ammonium sulphate - Which of the following fertilisers contains the least percentage of nitrogen ?
A. Liquid ammonia
B. Urea
C. Ammonium phosphate
D. Ammonium sulphate - Commercial production of hydrogen for the manufacture of nitrogenous 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 A., B. and C. - Commercial fertilisers are available mostly in the form of__________________?
A. Powder
B. Granules
C. Lumps
D. Flakes
