Osmolarity of dilute urine is approximately:
Go with A — 100–150 mOsm/L. Within Excretory System, that statement lines up with the standard definition and the usual exam wording you’ll see. In plain terms, 100–150 mOsm/L is the option that correctly names the structure, process, or principle asked for in Excretory System. Holding that picture in mind makes 100–150 mOsm/L 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. A short mental diagram helps — start from stimulus or structure, follow the pathway, and stop at the fu
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.
