Question

Which of the statements given below is NOT true about formation of ‘annual rings’ in trees? 

(A) Activity of cambium depends upon variation in climate. 

(B) Annual rings are not prominent in trees of temperate region. 

(C) Annual ring is a combination of spring wood and autumn wood produced in a year. 

(D) Differential activity of cambium causes light and dark bands of tissue – early and late wood respectively.

Answer 1

(B) Annual rings are not prominent in trees of temperate region.

Annual rings are formed due to activity of cambium. The activity of cambium is under the control of many physiological and environmental factors. In temperate regions, the climatic conditions are not uniform throughout the year due to this, annual rings are formed.