Q. I. Annual rigs are formed as a result of seasonal environmental conditions II. Tracheids/vessels elements are larger during periods when water is abundant III. Tracheids/vessels elements have thicker wall during periods of water deprivation IV. Wood formed in the previous years is darker than newer wood Select the combination of correct statements from the options given below
A) I and II
B) II and IV
C) I, II and III
D) II, III and IV
Explanation
In the formation, the heart wood and sap wood,. it is not necessarily that the wood formed in previous years is darker than newer wood
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.