Biology ยท Environmental Studies
Forestry and Plant Sciences
985 Questions
Review important biological concepts with these questions on forestry and plant sciences. The topics include non-timber forest products, timber wood types, lichen growth, and tree structures. This content is ideal for students preparing for agriculture and biology exams.
Industrial wood productionLichen growth patternsNon-timber forest productsPapilionaceous timber woodsTree crown typesFast growing trees
Forestry and Plant Sciences Questions
Which of the following is a limitation of dendrochronology?
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It can only be used to date wood.
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It is not accurate for dates older than 10,000 years.
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It is affected by climate change.
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All of the above
D
Correct answer
Explanation
Dendrochronology can only be used to date wood. It is not accurate for dates older than 10,000 years. It is affected by climate change.
Which of the following is NOT a common practice in TEK-based forest management?
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Shifting cultivation
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Selective logging
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Clear-cutting
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Agroforestry
C
Correct answer
Explanation
Clear-cutting, which involves the removal of all trees in a forest area, is not a common practice in TEK-based forest management due to its negative impact on forest ecosystems.
Which of the following properties of timber is NOT directly related to its strength?
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Density
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Modulus of Elasticity
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Moisture Content
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Grain Orientation
C
Correct answer
Explanation
Moisture content affects the durability and stability of timber, but it does not directly influence its strength properties.
In timber design, the concept of 'clear wood strength' refers to:
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The strength of timber without any defects
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The strength of timber after considering the effects of defects
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The strength of timber under long-term loading conditions
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The strength of timber under dynamic loading conditions
A
Correct answer
Explanation
Clear wood strength represents the inherent strength of timber without considering the presence of defects or imperfections.
Which of the following is NOT a common type of timber structure?
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Timber Frame Building
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Log Cabin
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Glulam Structure
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Steel-Framed Building with Timber Cladding
D
Correct answer
Explanation
Steel-framed buildings with timber cladding are not considered traditional timber structures as the primary structural elements are made of steel.
The primary factor that determines the grade of timber is its:
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Strength
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Durability
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Appearance
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Moisture Content
A
Correct answer
Explanation
The grade of timber is primarily determined by its strength properties, which are influenced by factors such as density, grain orientation, and the presence of defects.
Which of the following is NOT a common type of timber beam?
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Solid Timber Beam
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Glulam Beam
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Laminated Veneer Lumber (LVL) Beam
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Steel Beam
D
Correct answer
Explanation
Steel beams are not a type of timber beam as they are made of steel, not wood.
The primary factor that affects the fire resistance of timber is its:
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Density
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Moisture Content
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Grain Orientation
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Thickness
D
Correct answer
Explanation
The fire resistance of timber is primarily influenced by its thickness, as thicker timber members can withstand fire for longer periods.
Which of the following is NOT a common type of timber wall system?
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Timber Frame Wall
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Log Wall
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Glulam Wall
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Brick Wall
D
Correct answer
Explanation
Brick walls are not a type of timber wall system as they are made of brick, not wood.
Which of the following is NOT a common type of timber foundation?
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Concrete Foundation
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Timber Pile Foundation
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Glulam Foundation
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Stone Foundation
C
Correct answer
Explanation
Glulam foundations are not a common type of timber foundation as they are not typically used for this purpose.
Which of these is NOT a common type of camping hammock?
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Single hammock
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Double hammock
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Tree hammock
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Stand hammock
D
Correct answer
Explanation
A stand hammock is not a common type of camping hammock because it requires a special stand to set up. Tree hammocks and double hammocks are more common.
Which invasive species is responsible for the decline of the American chestnut tree?
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Chestnut blight fungus
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Emerald ash borer
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Gypsy moth
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Japanese beetle
A
Correct answer
Explanation
The chestnut blight fungus, introduced from Asia, caused the decline of the American chestnut tree, leading to its near extinction.
Which of the following is a common forestry practice in rural areas?
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Selective logging
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Clear-cutting
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Agroforestry
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All of the above
D
Correct answer
Explanation
Selective logging is the practice of harvesting only mature trees from a forest. Clear-cutting is the practice of removing all trees from a forest. Agroforestry is the practice of integrating trees and shrubs into agricultural systems. All of these practices are common in rural areas.
What type of wood is primarily used for carving in Sandalwood Village?
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Teakwood
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Rosewood
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Sandalwood
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Mahogany
C
Correct answer
Explanation
Sandalwood Village is famous for its sandalwood carvings. Sandalwood is a fragrant wood that is highly valued for its aroma and durability.
Which knot is commonly used to secure a rope to a post or tree?
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Bowline Knot
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Clove Hitch
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Figure-Eight Knot
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Square Knot
B
Correct answer
Explanation
The Clove Hitch is a simple and secure knot that is often used to attach a rope to a post or tree.