The day-night cycle that occurs approximately every 24 hours is the _____.
A) biorhythm
B) night-day cycle
C) sleep cycle
D) circadian rhythm

Question

Quizplus · Accepted Answer

The term for the 24-hour cycle of biological processes in living beings is known as the circadian rhythm. It governs several crucial functions such as sleep, metabolism, hormone secretion, and even the release of neurotransmitters that affect mood and behavior. Hence, option D is the correct choice. Options A, B, and C are incorrect as they do not refer to the specific 24-hour cycle in question.

The Day-Night Cycle That Occurs Approximately Every 24 Hours Is