Correct option is B
Statements:
Some rice is white.
Some rice is brown.
No white is wheat.
Conclusions:
I) Some wheat is brown. False - there is no direct relation is given between them.
II) Some rice is not wheat. True - some rice which is also part of white is not wheat.
III) Some brown is not white. False - there is no negative relation is given between them.
Only II is answer.
hence option b is correct.