On the basis of durability test, Forest Research Institute of India, Dehradun, a tree is highly durable if its average life is more than
A) 5 years
B) 10 years
C) 15 years
D) 20 years
Correct Answer:
Verified
Q8: Deterioration of stones takes place due to
A)temperature
Q9: Which one of the follo ing is
Q10: After felling and separating branches the tree
Q11: Which one of the following does not
Q12: Which one of the following dose not
Q14: The trees, of which leaves fall in
Q15: The oldest part of exogenous tree is
A)pith
B)heartwood
C)sapwood
D)cambium
Q16: Age of exogenous tree can be judged
Q17: The layer between the dark and sapwood
Q18: Which one of the following is softwood
A)deodar
B)teak
C)sal
D)mahogany
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