Only one meaningful word can be formed by rearranging the letter of the given jumbled word. Find out that word :
MUSPOPAPOTIH

The letters are: M, U, S, P, O, P, A, P, O, T, I, H

Logic: Contains all letters in word.

This word uses letters like L, N, R which are not present in the jumbled word. (Not follow)

Word that can be formed by rearranging the letters of "MUSPOPAPOTIH" is HIPPOPOTAMUS. (Follow)

This word uses letters like E, R, C which are not present in the jumbled word. (Not follow)​

This word uses a 'C' which is not present in the jumbled word. (Not follow)

Thus, the correct answer is (b).