Which of the statements given below is not true about formation of Annual Rings in trees?

Options

A. Annual rings are not prominent in trees of temperate region
B. Annual ring is a combination of spring wood and autumn wood produced in a year
C. Differential activity of cambium causes light and dark bands of tissue early and late wood respectively
D. Activity of cambium depends upon variation in climate

Answer

A

Explanation

Growth rings are formed by the seasonal activity of cambium. In plants of temperate regions, cambium is more active in spring and less active in autumn seasons. In temperate regions climatic conditions are not uniform throughout the year. However in tropics climatic conditions are uniform throughout the year.