Agrochemicals Pest Management (Semester II) (CBCS)
Examination, 2017
CHEMISTRY OF PESTICIDES AND THEIR FORMULATIONS II wateriI
Day Date: Wednesday, 19-04-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
N.B. 1). All sections are Compulsory
Attempt any two questions from sec II and sec III
Figures to the right indicate full marks.
All questions carry equal marks.
(Section
Q.1 Choose the correct alternative given in the bracket. 14
Butachlor is used for
Growth promoter Growth retardant
Flower inictor Weed control
2)Name the following pesticide.
Endosulphan Dicofol
Ethophan Metaoxychlor
Reaction between 2,4 -dichloro phenol and sodium salt of
monochloro acetic acid forms
BHC DDT Butachlor
Which of the following pesticide is used as seed disinfectant
a)Endosulphan DCNB
Methoxychlor Endrin
Chloronil is obtained by oxidation of
penta chloro phenol tribromoaniline
trinitro phenol 2,4-dichloro phenol
Reaction between Catechol, Isopychloride and methyl
isocynate in presence of base forms.
Cypermetherin Baygon
Aldicarb Carnaryl
Zinc salt dimethyl dithiocarbamate is called as
Ziram Zineb
Maneb None of these
8)Name the following Carbamate compound
Aldicarb Carbofuran
Bendiocarb Propoxure
Sulphur is used in agriculture in the form of
a)Smoke Aqueous solution
Dust Emulsive concentrate
10) Diets Alder reaction is involved in the synthesis of
Propanil Phthalan
Perchlor Captan
11) Bordeaux mixture is a mixture of
a)CuSO4 and Ca(OH)2 CuSO4 Na2CO3
CuSO4 and Fe(OH)3 CuSO4 NH4OH
12) Manuron is derivative of urea which is produced by reaction
between p-chloro phenyl is ocyanate with.
Methyl amine Dimethyl amine
Ethylene diamine N-N-dietlyl aniline
13) Name the following herbicide compound.
a)Tenuron Manuron
Fluro methron Methiuron
14) Captan is synthesized by reacting perchlor with
Phthalimide Succinamide
Acetamide Tetrahydro phthalimide
(Section II)
Attempt any questions from this section:
Q.2 What is oxime carbamate? Give synthesis of ziram and zineb 07
Discuss the role of nito compounds as pesticides 07
Q.3 Give synthesis and properties of Bagoan and methomyl 07
Give synthesis and uses of Trifluralin and Nitralin 07
Q.4 Describe the role of zinc oxide and zinc phosphate as pest control 07
Give synthesis and uses of captan and propanil 07
(Section III)
Solve any two question from this section:
Q.5 Describe the role of copper compound and sodium chlorate as
herbicide
05
Give synthesis and uses of Butachlor 05
Give synthesis of paraquat 04
0
Q.6 Discuss the role of azo and hydrazine compounds in pest control 05
Give synthesis and uses of 05
Discuss how computer is used in pesticide analysis 04
Q.7 Give synthesis of Bendiocarb 05
Give synthesis and properties of Manuron. 05
Write note on Mercaptans and sulphide. 04