You have multiple incorrect largest cities for some states. It seems if you didn't know the largest city in the state, you just put the capital. Let me tell you the correct largest city for the incorrect states.
Connecticut: Bridgeport
Delaware: Wilmington
Florida: Jacksonville
Kansas: Wichita
New Hampshire: Manchester
New Jersey: Newark
Ohio: Columbus
South Carolina: Charleston
South Dakota: Sioux Falls
Tennessee: Nashville
Texas: Houston
Here's an actual Source for your quiz. Please correct the mistakes, there was a lot.
Connecticut: Bridgeport
Delaware: Wilmington
Florida: Jacksonville
Kansas: Wichita
New Hampshire: Manchester
New Jersey: Newark
Ohio: Columbus
South Carolina: Charleston
South Dakota: Sioux Falls
Tennessee: Nashville
Texas: Houston
Here's an actual Source for your quiz. Please correct the mistakes, there was a lot.