Year: 2019
Topic: Anatomy of Flowering Plants
Time :
1.
Which of the statements given below is not true about formation of annual rings in trees ?
(1). Differential activity of cambium causes light and dark bands of tissue-early and late wood respectively.
(2). Activity of cambium depends upon variation in climate.
(3). Annual rings are not prominent in trees of temperate region.
(4). Annual ring is a combination of spring wood and autumn wood produced in a year.