1.  Statement : Today i must satisfy myself only by looking at a pink headed duck in encyclopedia
Assumptions :

I. Pink headed ducks are as good as extinct now.
II. People refer to encyclopedia to know only about things which do not exist now.

A. Only assumption I is implicit.
B. Only assumption II is implicit.
C. Either I or II is implicit.
D. Neither I nor II is implicit.
E. Both I and II are implicit.

Answer: Option A

Explanation:

Since the narrator talks of satisfying himself by just looking at a picture in encyclopedia, it means that the pink headed ducks are not be seen alive. So, I is implicit. But II does not follow from the statement and is not implicit.