The Exposition serves two main purposes which are
Select one:
a. to let all of the instruments play at once and to get the attention of the audience
b. to establish the basic character of the movement and to create the musical idea that is to be worked out
c. to establish that the work is in sonata form and to present a contrast of keys
d. to create a harmonic tensions that is to be worked out through the movement, and to establish the significance of the solo instrument
e. to take up about fifteen minutes of time and to establish a tempo for the movement

Question

The Exposition serves two main purposes which are
Select one:
a. to let all of the instruments play at once and to get the attention of the audience
b. to establish the basic character of the movement and to create the musical idea that is to be worked out
c. to establish that the work is in sonata form and to present a contrast of keys
d. to create a harmonic tensions that is to be worked out through the movement, and to establish the significance of the solo instrument
e. to take up about fifteen minutes of time and to establish a tempo for the movement

happinessbreaksbones · Answer

I believe the answer is B. :)

The exposition section of a sonata serves two purposes: to establish the character of the movement and to present the musical ideas that are to be worked out in the rest of the movement.

jazzyfa30 · Answer

The musician responsible for establishing the string quartet as an important genre was
Select one:
a. W.A. Mozart
b. Caesar Frank
c. Henry Howell
d. Franz Joseph Haydn
e. Andrew Henry

happinessbreaksbones · Answer

D. Franz Joseph Haydn. He was the musician most responsible for establishing the string quartet as an important genre. He virtually invented the genre. I found both of these answers on this article: http://rrccmusicappreciation.wordpress.com/2011/08/09/chapter-20-classical-sonata-and-string-quartet/

jazzyfa30 · Answer

The recapitulation is a mostly literal restatement of
Select one:
a. the exposition
b. the development
c. the first theme
d. the composer’s opinion
e. the cantus firmus

happinessbreaksbones · Answer

http://rrccmusicappreciation.wordpress.com/2011/08/09/chapter-20-classical-sonata-and-string-quartet/

happinessbreaksbones · Answer

^in that SAME article it says: 

"You’ll hear the restatement of the exposition, but also the material in the contrasting key restated in the home key." 

so that would be A. the exposition

jazzyfa30 · Answer

The term “coda” identifies the section of music that comes
Select one:
a. before the introduction
b. between the exposition and the development
c. as a separate selection during the offertory
d. after the end of the recapitulation
e. years after the death of the composer when another takes interest in their work and composes a coda, like an encore, of the work

happinessbreaksbones · Answer

"Optional section of sonata form that comes after the end of the recapitulation" http://rrccmusicappreciation.wordpress.com/2011/08/09/chapter-20-classical-sonata-and-string-quartet/