Question

Consider the following statements.

I. Annual rings are distinct in plants which grow in temperate region.

II. Growing rings of plant consist of spring wood and autumn wood.

Which of the statements given above is/are correct about annual ring? 

(a) Only 1

(b) Only II

(c) I and II

(d) None of these

Answer 1

(c) I and II

Annual rings are helpful in determining the age of trees. These rings are distinct in plants of temperate region rather than plant of tropical region due to seasonal variation in climatic conditions. Annual rings consist of two types of rings light spring wood and dark autumn wood.