Final answer:
The modern orchestra consists of four main instrument sections: strings, woodwinds, brass, and percussion.
Step-by-step explanation:
The modern orchestra typically consists of four main instrument sections: strings, woodwinds, brass, and percussion. Each section consists of different instruments that produce unique sounds and play different roles in the ensemble.
For example, the strings section includes instruments like violins, cellos, and basses, while the woodwinds section includes instruments like flutes, clarinets, and oboes. The brass section consists of instruments like trumpets and trombones, and the percussion section includes instruments like drums and cymbals.
Therefore, the correct answer to your question is Option 1: 4 instrument sections.