4th year 1st Semester Examination-2006, Session-2002-2003
Course No. FOR-411, Title-Tree Improvement and Biotechnology
Credit: 3, Total Marks-70, Time-3 hours
Dept. of Forestry And Environmental Science,
Shah Jalal University of Science And Technology, Sylhet, Bangladesh
1. Marks for respective question are shown at the end of each question.
2. All questions are equal marks except question number 1
3. Question no. 1 of each section is compulsory. Answer other two (2)questions from the rest three (3) for each section.
4. Answer should be written in separate answer script for each section.
Section - B
1. Short note
a) Genomics vs Gene modification
b) Grafting vs stem-cutting
2. a)Define clone and clonal-forestry. Mention the characteristics of a clone.
b) Write the factors responsible for the rooting success in grafting or stem cutting
c) What are the limitations of clonal forestry?
- a) Mention the mechanisms involved against inbreeding.
b) If you plan to introduce an exotic species in Bangladesh, then what type of trials will you conduct before large scale plantation? Explain in brief.
c) What are the different types of population in any tree improvement program? From which population you will get uniform trait and why?
- a)What do you understand by plus?
b) Describe selection criteria of timber and fruit yielding species.
c)Describe the process of provenance selection of forest tree species.