Answer:
In order of appearance in the Exposition:
Woodwinds, Brass, Percussion and Strings
Explanation:
Woodwinds: piccolo, 2flutes, 2 oboes,2 clarinets in B flat and A and 2 bassoons.
Brass : 4 horns in F, 2 trumpets in C, 3 trombines and bass tuba.
Percussion: timpani, bass drum, cymbals, tambourine, triangle, snare drum, temple blocks, xylophone, tamtam, whip and castanets.
Strings: 1st and 2nd violins, harps, double basses, violas and cellos.