M.Sc. (Semester IV) (CGPA) Examination Oct/Nov-2017
Agrochemicals And Pest Management
MANUFACTURE OF AGROCHEMICALS
Day Date: Wednesday, 22-11-2017 Max. Marks:70
Time: 02.30 PM to 05.00 PM
Instructions: All sections are compulsory.
Attempt any Two questions from Section II
Attempt any Two questions from Section III
All questions carry equal marks
Section I
Q.1 Choose the most correct answer (one mark each): 14
The agrograde sulphur is used as
Herbicide Fungicide
Growth promoter Growth retardant
The acute toxicity of dimethoate for rat is
320 to 500 mg/kg 365 to 540 mg/kg
60 to 120 mg/kg 30 to 45 mg/kg
The trade name of phosphamedon is
Rogar Sevin
Dimecron Dithane
Recruitment and selection of employees come under jurisdiction of
manager.
Personnel Finance
Production Market
is a process of moving goods from production to consumption.
Selling Marketing
Transportation Migration
In type of training a duplicate work place is created.
On the job training Vestibule training
Apprenticeship training Classroom training
If there is no association no dissociation and no polymerization of solute in
solvent then the distribution ratio becomes distribution coefficient.
Equal Less than
More than None of these
Centrifugation is used for separation of
Liquid from solid Solid from solid
Gas from gas Liquid from liquid
The drying is carried out
Storage of dry solid is easy
Purifying a crystalline powder
The cost of transportation of dry material would be reduce
All of these
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10) A molecule whose synthesis is being planned is called
Reagent Target molecule
Intermediate None of these
11) Development is the step between applied research and
production.
Initial Intermediate
Final All of these
12) The M+2 peak in mass spectra is observed due to presence of isotope of

Br Cl
C H
13) The reaction in which only one set of stereoisomer's is formed predominantly
is called reaction.
Stereospecific Stereoselective
Stichiometric None of these
14) Synthon is a species.
Charged Neutral
Charged as well as neutral All of these
Section II
Q.2 Describe working of a batch reactor. 07
Explain functions of marketing manager. 07
Q.3 Plan the synthesis of Endosulphan Carbaryl by using retro-synthetic
approach.
07
Write the synthesis and unit process of maneb. 07
Q.4 Describe the main features of industrial licensing policy. 07
Define disconnection and explain different types of disconnections. 07
Section III
Q.5 Describe multiple effect evaporators. 05
Describe R and D laboratory specification. 05
Describe synthon synthetic equivalent with example. 04
Q.6 Explain principle of liquid-liquid extraction. 05
Write note on agrograde sulphur. 05
Write note on HRD. 04
Q.7 Describe occupational health management in industries. 05
Write synthesis and manufacturing process of dimethoate. 05
Write note on gas absorption in towers. 04