M.Sc. (Semester IV) (CBCS) 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 questions 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
In gas absorption equipment the column consists of
Packing Liquid
Oil None of these
Maneb is manufactured by using ethylene diamine and
Carbon monoxide and acid Carbon disulphide and alkali
Carbon dioxide and alkali Oxygen and alkali
Captan is manufactured by using
Phthalic acid Tetrahydrophthalimide
Phthalimide None of these
cost includes the cost of interaction and testing of goods at various
stages of manufacture.
Failure Optimizing
Prevention Appraisal
BSI kitemark is applied to
Electrical goods
Non-electrical and Electrical goods
Mechanical goods
None of these
Which of the following compound is used as neonicotinoid insecticide?
Metalaxyl Thiophenate methyl
Chlorothalonil Thiacloprid
A molecule whose synthesis is being planned is called
Reagent Target molecule
Intermediate None of these
Which of the following is used as starting material for the synthesis of BHT?
Toulene P-hydroxy toluene
Aniline P-xylene
Which of the following is not used as fungicides?
Carbaryl Metalaxyl
Thiophenate methyl Chlorothalonil
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SLR-MA-30
10) 6-imethyl aniline and ∝-bromo methyl propionate is used for synthesis of

Thiophenate methyl Metalaxyl
Carbaryl Chlorothalonil
11) Synthon is a species.
Charged Neutral
Charged as well as neutral None of these
12) Distillation is a process in which components are separated
from the mixture.
Solid Volatile
Water Gas
13) The performance of an evaporator is evaluated in terms of
Economy Capacity
Efficiency Capacity Economy
14) Gas Absorption is known as
Absorption of gas in solid Absorption of gas on solid surface
Absorption of liquid phase All of the above
Section II
Q.2 What is evaporation? Describe multiple effect evaporators. 07
Write the retrosynthetic approach of 4-D Carbaryl 07
Q.3 Write the synthesis, properties, and uses, mode of action and environmental
fate of thiophenate methyl.
07
What are the main aims of R and Which factors are responsible for
setting up a research laboratory?
07
Q.4 Write synthesis, mode of action, environmental fate and applications of
imidaclopride.
07
Write synthesis and unit process of captan. 07
Section III
Q.5 Explain various types of filters. 05
Describe planning of small scale units. 05
Write a note on agrograde sulphur. 04
Q.6 Describe fractional distillation process. 05
Explain health education for workers. 05
Write note on BIS and ISI specifications. 04
Q.7 Explain importance and kinds of first aid treatment in industries. 05
Describe chemoselectivity with example. 05
Write note on spray dryers. 04