SSC GD 2019 PYQ — Question 9

The correct answer is option 2 i.e. cause.

Let's have a look at the meaning of the given options:-

1. cause- reason for feeling something or behaving in a particular way.
2. clarification- an act of making something clear and easier to understand.
3. illustration- a drawing, diagram or picture in a book or magazine.
4. interpretation- an explanation or understanding of something.

"Cause" which means "reason for something or behaving in a particular way" fits in the context appropriately.

Hence, it will be the correct choice.

Correct Sentence:-

Scientists tried to find out the cause behind the occurrence of the phenomenon.