CAT 2025 Set-3 | Verbal Ability and Reading Comprehension | Question: 21

Question

Five jumbled sentences (labelled A, B, C, D, and E), related to a topic, are given below. Four of them can be put together to form a coherent paragraph. Identify the odd sentence out and key in the number of that sentence as your answer.

• A. About half of all the oxygen we breathe is made near the surface of the ocean by phytoplankton that photosynthesize just like land-dwelling plants.
• B. A team of scientists that includes Boston University experts has discovered they also produce oxygen on the seafloor.
• C. The research team used deep-sea chambers that land on the seafloor and enclose the seawater, sediment, polymetallic nodules, and living organisms.
• D. The discovery is a surprise considering oxygen is typically created by plants and organisms with help from the sun-not by rocks on the ocean floor.
• E. The deep-sea rocks, called polymetallic nodules, don't only host a surprising number of sea critters.