Q13 of 51 Page 30

What do hard wood and soft wood stand for?

Hard wood are wood from angiosperm, whereas soft wood are wood from gymnosperm.

Soft wood are soft due to absence of vessels also known as non-porous wood. It mainly contains tracheids.


Hard wood contains abundant of vessels. In this no trachieds is present.


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11

If one debarks a tree, what parts of the plant is being removed?

 12

The cross-section of a plant material showed the following features when viewed under the microscope.

a. The vascular bundles were radially arranged.


b. Four xylem strands with exarch condition of protoxylem.


To which organ should it be assigned?


 1

While eating peach or pear it is usually seen that some stone like structures get entangled in the teeth, what are these stone like structures called?

 2

What is the commercial source of cork? How is it formed in the plant?