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Junior Cycle · Junior Cycle Wood Technology

Junior Cycle Wood Technology: Tree structure & growth

How often Tree structure & growth comes up on the Wood Technology papers, every year it was asked, and questions to try.

CL Asked on 4 of the last 5 Common Level papers, most recently in 2026. most years

Tree structure & growth, Common Level(6 marks)

Quick ones on Tree structure & growth.

(a)The dark, dead wood at the centre of a trunk that gives the tree its strength is the…
  1. Sapwood
  2. Heartwood
  3. Cambium
(b)Which part of a tree trunk carries water and minerals up from the roots?
  1. Bark
  2. Heartwood
  3. Sapwood
(c)The thin layer of living cells between the bast and the sapwood, where new wood forms each year, is the…
  1. Cambium
  2. Medullary ray
  3. Pith
Show the answers

(a) Heartwood

(b) Sapwood

(c) Cambium

Your turn: Common Level questions on Tree structure & growth.

Common Level

Asked on 4 of the last 5 Common Level papers, most recently in 2026. most years

Every paper, year by year

YearWhere it came up
2026Q1b
2025Not asked
2024Q4c
2023Q1c
2022Q3b

Links open the State Examinations Commission’s paper for that year.

More Tree structure & growth questions

Tree structure & growth, 2 marks

Which is a function of the bark of a tree?

  1. To make food for the tree using sunlight
  2. To store water deep in the centre of the tree
  3. To protect the trunk from damage and drying
Show the answer

To protect the trunk from damage and drying

Bark is the tree's protective skin. It shields the living layers from insects, animals, fungi, fire, heat and cold, and stops the tree losing too much water.

Other Wood Technology topics

All of Junior Cycle Wood Technology