Old 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: 2068 (2011)
Full Marks: 40 | Pass Marks: 16 | Time: 2:00 hrs

Essay Type Questions: [10]

1. What are the reasons for the dominance of insects over other animals? Explain with examples.

Short Questions (Attempt Any Ten) [10 X 3 = 30]

2. Differentiate between the followings:
a. Arachnida and crustaeca
b. Connectives and commissures
3. Write short notes:

a. Entomology
b. Tergum
c. Excretion Spiracle

4. Draw and label a neat diagram of digestive system of an insect.
5. Give six modifications of antennae with examples.
6. Give six modifications of wings with examples.
7. Draw and label a neat diagram of female reproductive system of an insect.
8. Explain the complete metamorphosis with examples.
9. Give six importance characters of the order :heteroptera” or “Coleoptera”. Mention five families of the order with examples.
10. Write the names of fifteen orders (not mentioned in this question paper) of insect examples.
11. Mention the names of six appendages of abdomen of insects with examples.
12. Give the systematic positions of honey bees, silkworm and Lac insects. What are the advantages of beekeeping?