Timber 2 Flashcards

1
Q

What are the two main types of trees based on growth patterns?

A

Exogenous and Endogenous.

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2
Q

What is the main characteristic of exogenous trees?

A

They increase in bulk by growing outward and form annular rings.

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3
Q

What is the primary use of exogenous trees?

A

They are used for engineering purposes.

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4
Q

What are the two categories of exogenous trees?

A

Conifers/Evergreen trees and Deciduous/Broadleaf trees.

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5
Q

What is unique about the leaves of coniferous trees?

A

Their leaves do not fall until new ones grow.

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6
Q

What type of fruits do coniferous trees produce?

A

Cone-shaped fruits.

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7
Q

What type of wood is yielded by coniferous trees?

A

Softwoods, which are light-colored, resinous, light in weight, and weak.

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8
Q

Do coniferous trees show distinct annular rings?

A

Yes

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9
Q

Name some examples of coniferous trees.

A

Chir, Deodar, Fir, Kail, Pine, Spruce.

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10
Q

When do the leaves of deciduous trees fall and regrow?

A

Leaves fall in autumn and regrow in the spring season.

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11
Q

When do the leaves of deciduous trees fall and regrow?

A

Leaves fall in autumn and regrow in the spring season.
Deciduous dead veenu pogum

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12
Q

What type of wood is yielded by deciduous trees?

A

Hardwood, which is strong, heavy, dark-colored, durable, and non-resinous

Because it is dead hard

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13
Q

Do deciduous trees show distinct annular rings?

A

No, they do not show distinct annular rings.

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14
Q

Name some examples of deciduous trees.

A

Babul, Mahogany, Oak, Teak, Sal.

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15
Q

What is a characteristic feature of endogenous trees?

A

They grow inward, and a fibrous mass is seen in longitudinal sections.

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16
Q

Name some examples of endogenous trees.

A

Bamboo, Cane, Palm.