The correct option is
D Fusiform
The tap root is the primary root that arises from the radical of the seeds. The tap root is the straight growing downward vertically and has three different types of shapes.
1. Conical root : In this type of tap root, the tuber is conical in shape, i.e., widest at the top and tapering steadily towards the bottom, e.g., carrot.
2. Fusiform root : In this type of tap root, the root is widest in the middle and tapers towards the top and the bottom, e.g., radish.
3. Napiform root : In this type of tap root, root has a top-like appearance. It is very broad at the top and tapers suddenly like a tail at the bottom, e.g., turnip.
Thus, the correct answer is option A.