Answers

2016-03-10T12:42:11+05:30
Botanically wood is secondary xylem produced after secondary growth through the activity of cambium.

Difference between hard wood and soft wood :
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Soft wood :
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1. Xylem fibers are comparatively less.

2. Vessels are absent.

3. contain 90-95% tracheids.

4. Gymnosperm wood is known as soft wood.

Hard wood :
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1. Xylem fibers are comparatively more.

2. Vessels are present.

3. Contains 5-10% tracheids.

4. Angiosperms wood is known as hard wood.

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