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

Correct Answer: Nitrogen, Potassium and Phosphorous

Fertilizer (or fertiliser) is any organic or inorganic material of natural or synthetic origin (other than liming materials) that is added to a soil to supply one or more plant nutrients essential to the growth of plants. The three elements most needed in common fertilisers are Nitrogen. Potassium and Phosphorous.
Bissoy MCQ
#General Knowledge #Chemistry

Related Questions

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 one of the following elements is least likely to be found in commercial fertilisers?
A Nitrogen
B Phosphorous
C Potassium
D Silicon
Rahim has invited his three buddies over to watch the basketball game on his wide-screen television. They are all hungry, but no one wants to leave to get food. Just as they are arguing about who should make the food run, a commercial comes on for a local pizzeria that delivers. The phone number flashes on the screen briefly and they all try to remember it. By the time Zachary grabs a pen and paper, each of them recollects a different number.i. All of the men agree that the first three numbers are 995.ii. Three of them agree that the fourth number is 9.iii. Three agree that the fifth number is 2.iv. Three agree that the sixth number is 6; three others agree that the seventh number is also 6.Which of the numbers is most likely the telephone number of the pizzeria?
A 995-9266
B 995-9336
C 995-9268
D 995-8266
Which of the following fertilisers contains the least percentage of nitrogen?
A Liquid ammonia
B Urea
C Ammonium phosphate
D Ammonium sulphate
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
Which of the following is not a measure component necessarily to be present in fertilisers?
A Nitrogen
B Potassium
C Phosphorous
D Sulphur
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
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
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

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