M.Sc. (Semester II) (CBCS) Examination Oct/Nov-2017
Agrochemicals And Pest Management
CHEMISTRY OF PESTICIDES AND THEIR FORMULATIONS II
Day Date: Friday, 17-11-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: All sections are Compulsory.
All Question carry equal marks.
Solve any two Questions from Section-II.
Solve any two Questions from Section-III.
Section I
Q.1 Select most correct alternative of the following. 14
The reaction between 1-naphthol and methyl isocyanate forms.
Endosulphan Carbaryl
Ethophan Methoxychlor.
Which of the following is correct structure of carbofuran?


Dithane-z-78 is also called as
Maneb Captan
Zineb Phthalan
Carbamates are ester derivatives of
Carboxylic acid Carbolic acid
Carbamic acid Dicarboxylic acid
Which of the following compound is oxime carbamate?
Carbaryl Aldicarb
Paraquant Furyl carbamate
The reaction between ethylene diamine, carbon disulphide and magnase
oxide gives
Ziram Zenab
Aldicarb Maneb
99% pure of Benzene hexachloride is known as
Lindan Chloral
Captan DDT
Name the following pesticide.
O CH2 COOH
BHC DDT
Dicofol
Endosulphan is also called as
Sevin Rogar
PeNB Thiodan
10) Para chlorobenzaldehyde is condensed with Chloroform gives
Dicofol Methoxychlor
Methamyl Butachlor
11) Thallium sulphate is used as
Fungicide Rodenticide
Bactericide Insecticide
12) Mixture of Copper sulphate Pentahydrate and Crystalline Sodium carbonate
is known as
Burgandy mixture Organic mixture
Bordeaux mixture Compost mixture
13) Name the following Herbicide.
Fenuron Manuron
Tenuron Flurometuron
14) Methuron is derivative of
Urea Malonyl Urea
Oxalic acid Thiourea
Section II
Attempt any two questions from this section:-
Q.2 Give synthesis of Dinoseb and Dinobuton. 07
Explain the role of azo compound and hydrazine compounds in agriculture. 07
Q.3 Give synthesis of Moneb and Zineb. 07
Describe the role of zinc oxide and zinc phosphate as pest control. 07
Q.4 Give synthesis of 4-D and Dicofol. 07
Explain the role of Hydrogen cyanide and Carbon disulphide as Fumigant in
Pest control.
07
Section III
Attempt any two questions from this section:-
Q.5 Explain synthesis and properties of Endosulphan 05
Explain the structure, activity relationship of carbamate with reference to
acetylcoline.
05
Give synthesis propanil. 04
Q.6 Give synthesis and properties of Baygoan. 05
Give synthesis and applications of PCNB. 05
Describe thiocynate and mercaptans as pesticides. 04
Q.7 Give synthesis of Methomyl. 05
Explain the role of amino compounds as herbicide. Give synthesis of Nitralin. 05
Write notes on Copper Fungicides. 04