Which water body separates Andaman in the north and Nicobar in the south?

Correct option is A

The correct answer is (a) Ten Degree Channel.
• The Ten Degree Channel is a significant maritime channel in the Indian Ocean.
• It separates the Andaman Islands to the north from the Nicobar Islands to the south.
• The channel is approximately 150 kilometers wide.
• It is named the "Ten Degree Channel" because it lies along the 10-degree line of latitude north of the equator.
• This channel plays an important role in the navigation and maritime routes between the Indian mainland and the Andaman and Nicobar Islands.