A nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years the nail will
Remain at the same position
The correct option is D Remain at the same position
The plant grows in length by apical meristems. Apical meristem is present on tip of root and shoot. A nail is inserted in trunk i.e., permanent tissue which does not divide. Hence the correct answer is option C.