Fertiliser Technology MCQ

Test your knowledge with important Fertiliser Technology MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Fertiliser Technology MCQs at Bissoy

• A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous.
  ক

  Salt & coke

  খ

  Sand & coke

  গ

  And coke

  ঘ

  And sand
• Urea is represented as
  ক

  NH₂.CO.NH₂

  খ

  NH₃CO.CH₃

  গ

  NH.CO₂.NH

  ঘ

  NH₃.CO₂.NH₃
• Urea is formed only
  ক

  In liquid phase

  খ

  In vapour phase

  গ

  At very high temperature

  ঘ

  At very low pressure (vacuum)
• Which is the most suitable fertiliser for paddy?
  ক

  CAN

  খ

  Ammonium sulphate

  গ

  Ammonium nitrate

  ঘ

  Superphosphate
• Nitrolime is chemically known as
  ক

  Calcium nitrate

  খ

  Ammonium nitrate

  গ

  Calcium ammonium nitrate (CAN)

  ঘ

  None of these
• __________ catalyst is used in the production of urea from CO₂ and NH₃.
  ক

  Vanadium pentoxide

  খ

  No

  গ

  Alumina

  ঘ

  Nickel
• Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?
  ক

  Water

  খ

  Naphtha

  গ

  Tar

  ঘ

  Coal/coke oven gas
• Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the
  ক

  Osmotic pressure of the soil water becomes less than that of the plant sap

  খ

  Soil becomes too alkaline

  গ

  Osmotic pressure of the soil water becomes higher than that of the plant sap

  ঘ

  Soil becomes too acidic
• Ammonium phosphate is a __________ fertiliser.
  ক

  Nitrogenous

  খ

  Phosphatic

  গ

  Complex

  ঘ

  Mixed
• __________ is the most suitable fertiliser for paddy.
  ক

  Urea

  খ

  Ammonium sulphate

  গ

  Superphosphate

  ঘ

  Potassium nitrate
• Heating of orthophosphoric acid to 250°C produces
  ক

  Metaphosphoric acid

  খ

  Pyrophosphoric acid

  গ

  No change in it

  ঘ

  None of these
• Rock phosphate used for the production of phosphatic fertiliser is mined at
  ক

  Amjhor (Jharkhand)

  খ

  Talchar (Orissa)

  গ

  Bailladella (M.P.)

  ঘ

  Kiriburu (Bihar)
• Which of the following fertilisers is used as a cattle feed?
  ক

  Urea

  খ

  Calcium ammonium nitrate

  গ

  Superphosphate

  ঘ

  Ammonium sulphate
• During conversion of ammonium carbamate into urea, presence of large excess of water
  ক

  Increases the yield of urea

  খ

  Adversely affects the yield of urea

  গ

  Reduces the evaporator load by diluting the urea solution

  ঘ

  Does not affect the yield of urea
• Phosphatic fertiliser is graded based on its __________ content.
  ক

  P₂O₃

  খ

  PCl₅

  গ

  P₂O₅

  ঘ

  H₃PO₄
• Potassic fertiliser is graded based on its __________ content.
  ক

  KCl

  খ

  K₂O

  গ

  KNO₃

  ঘ

  K₂SO₄
• Nitric acid is produced on commercial scale in a fertiliser plant by
  ক

  Oxidation of ammonia

  খ

  CaNO₃ + H₂SO₄ reaction

  গ

  Passing air through high voltage electric arc

  ঘ

  None of these
• Ammonia synthesis gas is produced from natural gas by
  ক

  Thermal cracking

  খ

  Steam reforming

  গ

  Partial oxidation

  ঘ

  Hydrogenation
• Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C.
  ক

  250-300

  খ

  500-750

  গ

  950-1050

  ঘ

  1400-1450
• Ammonia synthesis gas is produced from fuel oil by
  ক

  Steam reforming

  খ

  Hydrocracking

  গ

  Partial oxidation

  ঘ

  Hydrogenation
• Which of the following does not come under the category of'primary nutrient' for plant growth?
  ক

  Potassium

  খ

  Nitrogen

  গ

  Phosphorous

  ঘ

  Sulphur
• Which of the following does not come under the category of 'secondary nutrient' for plant growth?
  ক

  Calcium

  খ

  Magnesium

  গ

  Sulphur

  ঘ

  Oxygen
• Two gas based fertiliser plants are located in
  ক

  Maharashtra and Gujarat

  খ

  Maharashtra and Orissa

  গ

  Gujarat and Madhya Pradesh

  ঘ

  Jharkhand and Chattisgarh
• Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by
  ক

  Adsorption on palladium

  খ

  Cryogenic operations (low temperature cooling)

  গ

  Absorption (using ethanolamine or pyragalloll solution)

  ঘ

  None of these
• Effectiveness of a fertiliser is independent of the
  ক

  Nature of soil

  খ

  Type of crop

  গ

  pH of soil

  ঘ

  None of these
• pH value of soil is maintained at __________ by the addition of fertiliser for optimum growth and health of the plant.
  ক

  4-5

  খ

  7-8

  গ

  9-10

  ঘ

  12-13
• Which of the following does not come under the category of 'micro-nutrient' for plant growth?
  ক

  Chlorine

  খ

  Iron

  গ

  Boron

  ঘ

  Carbon
• Reaction of __________ acid with phosphate rock produces superphosphates.
  ক

  Hydrochloric

  খ

  Sulphuric

  গ

  Nitric

  ঘ

  Phosphoric
• Phosphoric acid is produced in wet process from phosphate rock and
  ক

  Dilute H₂SO₄

  খ

  Concentrated H₂SO₄

  গ

  Concentrated NHO₃

  ঘ

  Concentrated HCl
• Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content.
  ক

  N₂

  খ

  KNO₃

  গ

  NO₂

  ঘ

  NHO₃