Biological Rhythms

Psychology ⇒ Biological Bases of Behavior

Biological Rhythms starts at 10 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Biological Rhythms. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.

See sample questions for grade 12

Describe how melatonin production is influenced by light exposure.

Describe one way in which biological rhythms can be measured in humans.

Describe the difference between ultradian and infradian rhythms.

Describe the impact of artificial light on circadian rhythms.

Describe the role of the SCN in regulating circadian rhythms.

Explain how shift work can affect biological rhythms and health.

Explain the concept of free-running rhythms.

Explain the difference between endogenous and exogenous factors in biological rhythms.

What is the term for biological cycles that occur approximately every 24 hours? (1) Ultradian rhythms (2) Circadian rhythms (3) Infradian rhythms (4) Annual rhythms

Which brain structure acts as the master clock for circadian rhythms? (1) Pineal gland (2) Hippocampus (3) Suprachiasmatic nucleus (4) Amygdala

Which hormone is released by the pineal gland and helps regulate sleep? (1) Cortisol (2) Melatonin (3) Serotonin (4) Dopamine

Which of the following best describes the function of zeitgebers? (1) They disrupt biological rhythms (2) They synchronize biological rhythms with the environment (3) They eliminate biological rhythms (4) They slow down biological rhythms

Fill in the blank: The body's internal clock is also known as the __________.

Fill in the blank: The main environmental cue for circadian rhythms is __________.

Fill in the blank: The process by which biological rhythms become synchronized with external cues is called __________.

Fill in the blank: The process of adjusting to a new time zone is known as __________.

True or False: All biological rhythms are exactly 24 hours in length.

True or False: Biological rhythms are only found in humans.

True or False: Biological rhythms can only be influenced by internal factors.

True or False: Circadian rhythms are present from birth.