Fundamentals of Entomology

Daffodil International University Department of Agricultural Science Faculty of Agriculture Sciences BSc. in Agricultural Science Mid-Term Examination; Summer 2026 Course Code: 0819 2203 Course Title: Fundamentals of Entomology Level and Term: L-2, T-2 Course Teacher's Initials: DMR Time: 1 hr and 30 minutes Section: 251 B Total Marks: 25 Splitting any answer to same question is strictly prohibited Answer the following questions: 1 (a) What is the integument? Draw and label a neat, representative diagram of the insect integument. CLO1, PLO1 0.5+2.0 =2.5 (b) Briefly describe the histological structure of the insect integument. CLO1, PLO1 2.5 2 (a) Briefly describe the different head orientations in insects. CLO3, PLO3 2 (b) Describe the tegmina, hemelytron and haltere types of modified wings (focusing on texture and structure) found in insects, providing specific examples for each. CLO3, PLO3 3 3 (a) Classify the various modifications of insect mouthparts, providing a distinct example for each type. CLO2, PLO2 2.5 (b) Write a comprehensive short note on piercing-sucking mouthparts. CLO2, PLO2 2.5 4 (a) What are the antennae of insects, and what is their function? CLO3, PLO3 1 (b) Provide a detailed list of the different types of antennae, including their structural modifications and examples. CLO3, PLO3 4 5 (a) List the different segments of a typical insect leg. CLO4, PLO4 1 (b) Describe the cursorial, saltatorial, raptorial and fossorial types of legs found in insects, specifying their functions and providing examples. CLO4, PLO4 4