Fundamental of Plant Pathology

Daffodil International University Department of Agricultural Science Faculty of Agriculture Sciences Mid-term Examination, Fall 2026 Course Code: 0817-2105 Course Title: Plant Pathology-I (Fundamentals of Plant Pathology) Level and Term: 2-1 Section: 253 (A, B & C) Teacher Initial: SI Time: 1 hour and 30 minutes Total Marks: 25 "Split answering is strictly prohibited" Marks 1. (a) Define plant pathology, plant disease, pathogen and saprophyte? CLO1, PLO1 C1 2 (b) Explain the major categories of plant diseases based on their symptoms with proper example. CLO2, PLO2 C2 3 2. (a) List the major stages of disease development? CLO1, PLO1 C1 1 (b) Illustrate the theory of Koch's Postulates with diagram. CLO1, PLO1 C3 4 3. (a) Explain the criteria of the egg fungi. CLO1, PLO2 C2 2 (b) Write down the comparisons between Pythium and Phytophthora. CLO1, PLO2 C4 3 4. (a) State the Major Characteristics of Zygomycotina fungi. CLO1, PLO1 C1 2 (b) Draw and describe sexual reproduction of Rhizopus fungi. CLO1, PLO2 C3 3 5. (a) Analyze the beneficial and harmful economic impacts of Mucor fungi, using suitable examples. CLO1, PLO2 C4 2 (b) Apply the classification of plant diseases based on spread, including suitable examples. CLO2, PLO2 C3 3