A) permanent internal changes in the roots
B) temporary internal changes in the roots
C) permanent structural changes in the roots
D) temporary structural changes in the roots
Correct Answer: C
Solution :
Root modification means permanent structural changes in the roots. Some examples of modified roots are radish (fusiform root), turnip (napiform root), carrot (conical tap root), sweet potato (tuberous root), Portulaca (moniliform root), Curcuma sp (nodulose root) etc.
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