M.Sc. (Semester (CBCS) Examination Nov/Dec-2018
Agrochemicals and Pest Management
INTRODUCTORY AND INDUSTRIAL ENTOMOLOGY
Time: 2½ Hours Max. Marks: 70
Instructions: All sections 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
belongs to order Hemiptera.
Silkworm Aphid
Butterfly Grasshopper
Termite belongs to the family
Coleoptera Rodentia
Diptera Termitidae
NPV is used against pest.
Lepidopteran Coleoptera
Dipteran Thysenoptera
Forgut of insects is called as
Malphigian tubules Ovary
Stomodeum Testes
organ is used by female insect for egg laying.
Ovipositor Sperm
Testes Ovarioles
Saltatorial legs are found in
Cockroach Grasshopper
Aphid Thrips
type of antennae are found in mosquito.
Pilose Digging
Natatorial Jumping
type of head found in insect.
Chewing biting Siphoning
Sponging Ophisthognathus
Fringed wings are found in
Thrips White fly
Aphid Butterfly
10) Trichogramma are act as on pest.
Predators Egg parasitoids
Parasites None of the above
11) is the scientific name of European bee.
Apis mellifera Apis dorsata
Apis indica None of the above
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SLR-VA-3
12) species of silkworm found on Castor leaves.
Bombax mori Attacus ricinni
Antheraea paphia Apis mellifera
13) is the important component in Blood of insect.
Malphigian tubules Nerve ring
Spiracle Haemocytes
14) is the vertebrate pest found in field.
Snail Slug
Rat Nematode
Q.2 Answer the following any four:-
1. Write definition of predators.
2. What is scientific name of Aphid?
3. Enlist different types of legs.
4. Write the name of different types of Honey bee.
5. Where is the habitat of Nematode?
08
Write note on any two
1. Write the name of different types of silkworm with their host plant.
2. Enlist the host plant of Termite with their feeding habit.
3. Write short note on antennae of an insect.
06
Q.3 Answer the following. (Any Two)
1. Define entomology and write note on harmful insect.
2. Explain slug as molluscan pest.
3. Production of NPV.
08
Answer the following. (Any One)
1. Enlist different type of mouth parts and explain piercing and sucking type
of mouth part.
2. Describe digestive system of Cockroach.
06
Q.4 Answer the following. (Any Two)
1. Write note on importance of sericulture.
2. Write note on oogenesis.
3. Describe nature of damage and control measures on Jowar stem borer.
4. Production of Trichogramma species.
10
Answer the following. (Any One)
1. Define entomology and write note on economic importance of insect.
2. Write note types of Honey bees.
04
Q.5 Answer the following. (Any Two) 14
Describe the morphological details of head in insect.
Define pest and write note on parasite with an example.
Explain life cycle pattern of Mango stem borer.