How good at japanese are you ;P?

see if you are pro or fail at japanese

1 (easy) what japanese food is rice and fillings wrapped with seaweed
2 What does japanese word "Sain o shite moraemasu ka” mean?
3 A japanese boy askes some-one"Amari yoku nai desu ne", what does this mean?
4 Which pokemon game was first made in Japan?
5 Who was the most famous samurai in Japanese History
6 In what year did USA drop a atom bomb on Japan?
7 The Formal dress of girls in Japan is?