OBJECTIVE FORESTRY

FORESTRY

PLANT AND WOOD ANATOMY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Each annual ring or growth ring consists of two strips of
A
Autumn wood and spring wood
B
Heart wood and sap wood
C
Xylem and phloem
D
Cork and cortex
Explanation: 

Detailed explanation-1: -So, the correct answer is ‘Autumn and spring wood’

Detailed explanation-2: -Annual growth rings are the circular rings found on the end of a log or tree stump. Each set of rings signifies one year of growth. Each year of growth has two distinct growing seasons: spring and summer. In the spring, trees take advantage of all the moisture in the soil and conduct large capacities of sap.

Detailed explanation-3: -One growth ring consists of alternating packs of crystalline (5–6 nm thick) and amorphous (2–5 nm thick) lamellae.

There is 1 question to complete.