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: A
1.Short note
a) Drafting incompatibility
b) Advanced generation selection
2. a)state the importance of studying tree improvement in forestry.
b) Mention the relationship between tree improvement and silviculture.
c) How genetic changes take place due to mutation and migration?
d)What is hybridization? Write the process of hybridization in high plants.
3. a)What do u understand by seed orchard?
b)State the steps involved in seed orchard establishment and management.
c) How could you differentiate a seed orchard from a plantation?
d) What do you mean by progeny test?
e) Define ortet and ramet.
4. a) Mention the stages you will follow in the selection and breeding processes of Teak
b) Explain the following terms (any eight)
1.Candidate tree, Control pollination, Marker, Tissue culture, GMOs, Auxin, Backcrossin, Breed tree, Boarder effect, Biosaftey