Sometimes the correct answer is the more obvious one, and sometimes it isn't, and even knowing the non-obvious answer doesn't help you decide which one to pick.  Sometimes you just need to read the question more carefully.

What is the common name of very thin stripes, often used in men's clothing?

What is the more famous name of the Misión San Antonio de Valero ?

What fruit popular in America has the Latin name Prunus persica and was cultivated in China during the Neolithic period?

What do the three previous answers have in common?

What is the name of the black cuboid building at the center of Islam's holiest mosque?

What does IBU measure in the context of beer?

Peñón de Vélez de la Gomera has the shortest land border in the world between Spain and what country?