What is the name of the section where the listing of unit-dose system is given ?

Sectionalism generally means being loyal to only a part, instead of the whole.

Explanation:

Examples can be seen more in a country term, taking the US for example. People in California may be more loyal to California and may put state priorities in front of national securities. Another example can be the South, which mostly contain rural townspeople and farmers, and they may be loyal to only politicians who can support their way of life. This is a "section" of people who are only loyal to a person because of such & such benefit.

the word that best matches the meaning of the expression "went to the big ocean" is died.

the goldfish died, which is why the father looks at the children mournfully. the "big ocean" is the father's way of saying fish heaven. he could have just said that the goldfish died, but this way, the children imagine the fish in a bigger, better place instead of just picturing a dead fish.

explanation: