Alpha waves are best recorded when a person is:
Go with C — Awake and relaxed with eyes closed. Within Structure and Function of Nervous System, that statement lines up with the standard definition and the usual exam wording you’ll see. In plain terms, Awake and relaxed with eyes closed is the option that correctly names the structure, process, or principle asked for in Structure and Function of Nervous System. Holding that picture in mind makes Awake and relaxed with eyes closed feel natural rather than something you only memorise. Link the term to a real body example (organ, tissue, or ion flow) so the idea stays concrete under exam pressure.
Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.