B.Sc.Ag. (TU) Question Paper 2070 – Introductory Entomology | Third Semester

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EntomologyOld Question Paper for B.Sc. Ag. – Final Examination
Subject: Introductory Entomology
Tribhuvan University (TU)
Institute of Agriculture and Animal Science (IAAS)

Level: B.Sc. Ag 3rd Semester | Year: 2070(2013)
Full Marks: 40 | Pass Marks: 16 | Time: 2:00 hrs

Long Questions: [1 X 10 = 10]

1. Enlist the modified mouth parts of insect with example. Describe with figures the typical mouth parts of grass hopper.
Short type questions: (Answer any Ten question) [10 X 3 = 30]
2. Draw and label a neat diagram of male reproductive system of an insect and describe in brief the major parts with their functions.
3. Enlist five types of antennae of insects with figure and one example of each.
4. Define metamorphosis and mention its types in insects with examples.
5. Classify insect larvae with one example of each.
6. Mention the list of abdominal appendages with one example of each.
7. List the orders of endopterygota division with one example of each.
8. Enlist any five major characteristics of order Hemiptera and also mention any five families of this order with examples.
9. Draw and write the names of longitudinal and cross veins of a typical wing.
10. Mention any five bee species that collect honey and the castes of honey bee.
11. Write short notes on:

a. Mimicry
b. Mesothorax
c. Pseudo legs

12. Differentiate between (Any three):

a. Saltatorial and Raptatorial legs
b. Nymph and Naiad
c. Apposition and superposition

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