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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