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  3. 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

. 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

(a) move downwards

(b) move upwards

(c) remain at the same position

(d) move sideways

Best Answer

Answer is (c) remain at the same position
 
Longitudinal growth in the stem always takes place on the top hence apical meristem in the below region remains constant, hence there will be no change in position of nail inserted in the trunk of the tree.

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