Quiz on Tree Wood and Timber Technology

What is a common defect in timber?

• Growth rings

• Timber defects

• Cambium layer

• Medullary rays

What is the role of the cambium layer in a tree?

• Conduct sap

• Photosynthesis

• Growth and development

• Absorb minerals

What is the primary function of the branches and leaves in the crown?

• Absorb water

• Conduct sap

• Photosynthesis

• Store minerals

Which part of the tree absorbs water and minerals?

• Trunk

• Crown

• Roots

• Leaves

Through which part of the tree does raw sap travel up to the leaves?

• Cambium

• Inner bark

• Sapwood

• Roots

What travels down to the cambium through the inner bark?

• Raw sap

• Enriched sap

• Water

• Oxygen

Which layer of the tree trunk is directly beneath the bark?

• Cambium

• Bast

• Heartwood

• Pith

What is the color of early wood?

• Dark color

• Light color

• Red color

• Blue color

Why is it difficult to distinguish between each year’s growth in tropical countries?

• Because of constant rainfall

• Because of uniform temperature

• Because of lack of seasons

• Because of similar growth patterns

What type of trunk do softwood trees have?

• Straight, cylindrical, with an even taper

• Curved, irregular, with a rough surface

• Short, stubby, with a wide base

• Twisted, gnarled, with a thick base