Final answer:
Haydn's Symphony No. 94, II includes string instruments, woodwind instruments, and percussion instruments, but not brass instruments.
Step-by-step explanation:
The instruments or instrument families heard in Haydn's Symphony No. 94, II include:
- String instruments: Violins and cellos are commonly used in this symphony.
- Woodwind instruments: The symphony also includes flutes and clarinets as part of the woodwind family.
- Percussion instruments: The symphony incorporates timpani and snare drum as percussion instruments.
Thus, the string instruments, woodwind instruments, and percussion instruments are heard in Haydn's Symphony No. 94, II. However, the brass instruments such as trumpets and trombones are not present in this particular symphony.