SSC CPO 2025 PYQ — Question 162

SSC CPO - 11 Dec 2025 - Shift 2 • English • Q162

Fill in the blank with the correctly spelt word.
The DNA strands were separated through ______ methods.

Show answer & explanation

Correct answer: B

Explanation

The sentence is:

“The DNA strands were separated through ______ methods.”

The correct scientific term is:
electrophoresis — a technique used to separate DNA fragments using an electric field

Why others are wrong:

A) electroforesis → incorrect spelling

C) electrophorresis → extra “r” (wrong spelling)

D) electrophoreses → incorrect form (plural/variant not used here)