Nitrogenous
Potassic
Phosphatic
None of these
✅ The correct answer is option A.
Fertilizer Technology MCQs
112. Nitrolime is chemically known as
Calcium nitrate
Ammonium nitrate
Calcium ammonium nitrate (CAN)
None of these
✅ The correct answer is option C.
113. Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium
Carbonate
Phosphate
Bicarbonate
Silicate
✅ The correct answer is option A.
114. Effectiveness of a fertiliser is independent of the
Nature of soil
Type of crop
PH of soil
None of these
✅ The correct answer is option D.
115. Reaction of phosphate rock with 98% H₂SO₄ produces
Orthophosphoric acid
Superphosphate
White phosphorous
None of these
✅ The correct answer is option A.
116. An increase in the NH₃/CO₂ ratio in urea manufacture results in
Increased degree of conversion of CO₂ to urea
Decreased degree of conversion of NH₃ to urea
Decreased yield of urea
Decreased specific volume of molten mass
✅ The correct answer is option A.
117. A potassic fertiliser contains 50% K₂O. It could be
Potassium sulphate
Potassium chloride
A mixture of NaCl+ KCl
None of these
✅ The correct answer is option A.
118. __________ is required more for leafy crops.
Nitrogen
Phosphorous
Potassium
Carbon
✅ The correct answer is option A.
119. Reaction of calcium fluorapatite with sulphuric acid produces
Ortho-phosphoric acid
Simple superphosphate
Triple superphosphate
Red phosphorous
✅ The correct answer is option B.
120. Rock phosphate used for the production of phosphatic fertiliser is mined at
Amjhor (Jharkhand)
Talchar (Orissa)
Bailladella (M.P.)
Kiriburu (Bihar)
✅ The correct answer is option A.