1000+ Fertiliser Technology Objective Questions and Answers Pdf - 1
Question: 1
Secondary nutrients in fertilizers are
(A) calcium, magnesium, sulfur
(B) calcium, molybdenum, zinc
(C) boron, copper, manganese
(D) iron, sulphur, molybdenum
Ans: A
calcium, magnesium, sulfur
Question: 2
Main constituent of phosphate rock is
(A) calcium phosphate
(B) calcium fluoride
(C) fluorapatite
(D) ammonium phosphate
Ans: C
fluorapatite
Question: 3
Calcium ammonium nitrate (CAN) is
(A) not a fertilizer it is an explosives
(B) a complex fertilizer
(C) a straight fertilizer
(D) a mixed fertilizer
Ans: B
a complex fertilizer
Question: 4
Nitrogen content of a nitrogenous fertilizer is 35%. It could be
(A) ammonium nitrate
(B) ammonium sulphate
(C) calcium ammonium nitrate (CAN)
(D) urea
Ans: A
ammonium nitrate
Question: 5
Prilling tower is found in the flowsheet for the manufacture of
(A) superphosphate
(B) triple superphosphate
(C) ammonia
(D) urea
Ans: D
urea
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