M.Sc. (Semester IV) (CBCS) Examination Nov/Dec-2018
Agrochemicals and Pest Management
ADVANCES IN PEST CONTROL II
Time: 2½ Hours Max. Marks: 70
Instructions: All questions are compulsory.
All questions carry equal marks.
Solve any two questions from section-II.
Solve any two questions from section-III.
SECTION I
Q.1 Rewrite the sentences by choosing correct answer from given alternatives: 14
The full form of Bt is
Bacillus thuringiensis Batocera thuringiensis
Bacterium thuringiensis None of the above
pest is destroyed by trichogramma in their egg stages itself.
Sugarcane wooly aphid Cut worm
Termite Rich moth
Due to infected larva climbs at highest point and found dead
with hanging by hind legs.
Bacillus thuringiensis NPV
Metarrhizium None of the above
Prothorasic gland secretes hormone.
PTTH ecdysone
testosterone progesterone
Trial pheromone released by insect for purpose.
Feeding Protection
Mating None of the above
In California cotton cushion scale controlled by using
White grub Grass hopper
Lady bird beetle Giant toad
stage is the infective larval stage of the nematodes enters into
the plant.
Second Fourth
Third First
Hormonal IGRs work by mimicking or inhibiting hormone.
Juvenile Digestive
Both None
Indian cotton research centre placed in
Solapur Nagpur
Pune Hydrabad
10) is used for controlling insect pest in field application.
Nematicide Choropyriphos
Rodenticide Herbicide
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SLR-VA-21
11) refers to the disease producing power of a group or sp. of microorganisms.
Infectivity Virulence
Pathogenecity All the above
12) is the advanced pesticide having effect with using sunlight.
Light activated pesticide IGR
Poison bait None of the above
13) Ti plasmid used for transfer process in rDNA technique.
Bacterium Nucleus
Gene None of the above
14) The full form of NPV is
Nuclear Polyhydrosis Virus Nuclear Polyhy Virus
Nuclear Porous Virus None of the above
SECTION II
Q.2 Describe the methodology of BT gene transfer in plants.
Describe the biotechnological applications in pest management.
07
07
Q.3 What is microbial control of insect pest and explain viral pathogen in details.
Define the biological control. Explain the different techniques used in
biological control with suitable example.
07
07
Q.4 Explain insect growth regulators.
What are the semiochemicals? Discuss the chemosterilants.
07
07
SECTION III
Q.5 Light activated pesticides 05
Antifident 05
Enlist the advances in pest control 04
Q.6 Genetic method of pest control 05
Write note on use of molting hormone in pest management. 05
Somaclonal variability 04
Q.7 Explain Attractants 05
Use of Fungi pathogen in pest management 05
Sex pheromones