Mango is to food as roses a

Flower

Explanation:

Mango is a subcategory of food.

Rose is a subcategory of something. What? A rose is a type of flower, like mango is a type of food, thus flower would be the missing piece of the analogy.

explanation:

it's important for any number of settings.   but then i'm a retired teacher and my view may be biased.

it certainly will not weigh as a minus when applying to a college, while poor grades always work against you.

other factors are important like what you do to improve the community.  

not exaxtly

explanation: it depends on the situation like if u do something good there will be good consequences which arent punishments but if you do somthing bad there will be bad consequences which are punishements.