Forests and Their Management Week 4 Assignment Answers
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Forests and Their Management Week 4 Assignment Answers (Jan-Apr 2025)
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Q1. For absolute form factor, the reference for the base of the cylinder is:
a) Base of the tree
b) Breast height
c) 10% of tree height
d) 20% of tree height
Q2. For normal form factor, the reference for the base of the cylinder is:
a) Base of the tree
b) Breast height
c) 10% of tree height
d) 20% of tree height
Q3. In India, the breast height is considered to be:
a) 1.37 m
b) 1.47 m
c) 1.57 m
d) 2.47 m
Q4. Measurement of height based on similar triangles comes under:
a) Similar measurement
b) Dissimilar measurement
c) Direct measurement
d) Indirect measurement
Q5. For a tree with dbh = 45.6 cm, height = 27 m, and total stem volume of 1.78 cum, the artificial form factor for the tree is:
a) 0.1
b) 0.2
c) 0.3
d) 0.4
Q6. Consider a stand of eucalyptus trees that are on average 30 cm in diameter and spaced on a regular 3 m grid. Find the spacing factor.
a) 5
b) 10
c) 15
d) Data insufficient
Q7. Diameter over bark (dob), diameter under bark (dub), and bark thickness (tb) are related as:
a) dob = dub + tb
b) dob = dub – tb
c) dob = dub + 2 × tb
d) dob = dub – 2 × tb
Q8. For false form factor, the reference for the base of the cylinder is:
a) Base of the tree
b) Breast height
c) 10% of tree height
d) 20% of tree height
Q9. Choose the correct statement:
a) For a non-circular cross-section, girth tape over-estimates the sectional area.
b) For a non-circular cross-section, girth tape under-estimates the sectional area.
c) For a non-circular cross-section, girth tape correctly estimates the sectional area.
d) None of these is a correct statement.
Q10. A tree has dbh of 25 cm. Find its basal area in sq m.
a) 0.049
b) 0.096
c) 0.149
d) 0.195
Forests and Their Management Week 4 Assignment Answers
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