M.Sc. (Semester IV) (CBCS) Examination Mar/Apr-2018
Agrochemicals And Pest Management
ADVANCES IN PEST CONTTROL II
Time: 2½ Hours
Max. Marks:70
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 correct answer from options given below
14
is the example of parasitoid.
Sugarcane wooly aphid
Cut worm
Termite
Trichogramma
fungi are used as biological control agent.
Trichogramma chelonus
Bacillus thuringiensis
Metarizium
None of these
Chemicals released by insect for feeding purpose are called pheromone.
aggregation
alarm
sex
none of these
PTTH is secreted by of the brain.
pituitary
neurosecretary
corpora alata
corpora cardiaca
Antimetabolites is the example of
attractants
repellant
chemosterilant
pheromones
Kairomones are included
attractants
repellant
chemosterilant
pheromones
The incompatible insect technique is used in control.
biological
genetic
cultural
all the above
Azadirechtin is used in pest control for inhibit growth.
egg
larval
pupal
adult
Triflumuron is used as
Starycide
Weedicide
Herbicide
None of the above
10) is the shape of NPV.
Round
Quadrangular
Cylindrical
None of the above.
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SLR-UA-21
11) Restriction endonuclease enzyme is known to the
attach DNA fragment
cut DNA fragment
both a and b
none of the above
12) Pathogens synthesize toxins.
anabolic
metabolic
genetic
all the above
13) The production, isolation, modification and use of substances derived by means of biosynthesis is called as
Zoology
Biotechnology
Botany
Chemistry
14) E. F. Kinipling was initiated control of screw worm fly.
mechanical
cultural
genetic
none of the above
Section II
Q.2
a)What is microbial control of insect pest and explain bacteria pathogen in details.
07
b)Explain predators and parasites in pest management.
07
Q.3
a)What are the semiochemicals? Discuss the importance of attractants.
07
b)Describe the biotechnological applications in pest management.
07
Q.4
a)Define the biological control and discuss the trichogramma use in biological control.
07
b)Describe insect growth regulators.
07
Section III
Q.5
a)Explain Repellant.
05
b)Use of viral pathogen in pest management.
05
c)Alarm pheromone
04
Q.6
a)Somaclonal variability.
05
b)Light activated pesticides.
05
c)Enlist the advances in pest control.
04
Q.7
a)Hot water treatment for disease control.
05
b)Molting hormone.
05
c)Transgenic plant.
04