Ph.D. Course Work Examination June July 2017
BOTANY Paper III and Paper IV
Mycology and Plant Pathology
Day Date: Friday, 30-06-2017 Max. Marks: 100
Time: 11.00 AM to 02.00 PM
Instructions: All questions are compulsory.
Draw neat labeled diagrams wherever necessary.
Figures to the right indicate full marks.
Q.1 Explain in brief the vegetative and asexual reproduction in Fungi. 10
Answer any two of the following: 10
Explain with suitable examples Hypertrophy and Hypoplasia.
Give the Thallus structure in Myxomycotina.
Write an account of Passive dissemination of fungal spores.
Q.2 What is culture media? Explain different media for culturing Fungi. 10
Answer any two of the following: 10
Elucidate Koch's postulates.
Give the different methods of preservation of fungi.
Write note on Identification and preservation of MLO/PLO
Q.3 Discuss with suitable example, the role of environmental factors in
disease development.
10
Answer any two of the following: 10
Explain the Food value of edible mushrooms.
Write an account of Elements of epidemic.
Write an account of Disease forecasting.
Q.4 Describe various technique utilized for introducing foreign DNA in to
plant cells. Discuss their relative merits and demerits.
10
Answer any two of the following: 10
Explain the technique of Mycorrhizal inoculums production.
Give an account of Oyster mushrooms.
Write note on carrier vectors in Biotechnology.
Q.5 Explain the chemical method of disease control? Why is it
considered important?
10
Answer any two of the following: 10
Give importance of Microbial pesticides.
Explain the Physical methods of diseases control.
Mention the steps involved in production of spawn.