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Biological processes occurring on a cycle of approximately 24 hours are termed: (Points : 4)

biorhythms
diurnal rhythms
circadian rhythms
samba rhythms

User Kasheftin
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Circadian rhythm, also known as circadian clock or body clock is a biological process that follows a 24 hour cycle (approximately). It is said that circadian rhythm is dictated by natural factors in the body, as well as environmental signals.
User Mocktheduck
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