Animal Physiology and Behavior MCQs with Answers

Which organ system is responsible for transporting nutrients and gases throughout the body?

Which structure in the brain regulates thirst, hunger, and body temperature in animals?

Which organ system is responsible for gas exchange in animals?

What is the name of the hormone that regulates sleep-wake cycles and seasonal rhythms in animals?

What is the name of the process by which animals take in oxygen and release carbon dioxide?

What is the name of the hormone that promotes water retention and regulates blood pressure in animals?

Which organ system is responsible for regulating water balance and electrolyte levels in animals?

Which organ system is responsible for producing hormones that regulate various bodily functions?

Which part of the brain is responsible for coordinating movement and balance in animals?

What is the term for the process by which animals convert food into energy and nutrients?

Which type of behavior involves animals defending their territory from intruders?

What is the term for the process by which animals maintain a stable body temperature?

What is the term for the process by which animals reproduce and pass on genetic information?

What is the term for the process by which animals maintain a stable internal environment?

Which type of muscle is responsible for involuntary movements, such as peristalsis?

Which structure in the brainstem regulates basic physiological processes like breathing and heartbeat?

Which hormone is responsible for regulating the sleep-wake cycle in animals?

Which hormone is responsible for the fight-or-flight response in animals?

What is the name of the hormone that regulates salt and water balance in the kidneys?

What is the term for the process by which animals break down complex molecules into simpler ones to release energy?

What is the term for the process by which animals store excess energy as glycogen or fat?

What is the term for the study of how animals function, including their physical and chemical processes?

Which hormone regulates calcium levels in the blood and bone metabolism in vertebrates?

What is the term for the seasonal migration of animals over long distances?

Which hormone is responsible for regulating blood glucose levels in animals?

Which structure in the kidney is responsible for filtering blood and producing urine?

Which type of muscle is striated and under voluntary control?

Which hormone is responsible for the regulation of metabolism and energy balance in animals?

Which structure in the nervous system connects the brain to the rest of the body?

What is the name of the pigment responsible for oxygen transport in red blood cells?

What is the term for the process by which animals convert light energy into chemical energy?

What is the name of the fluid-filled sac that surrounds and protects the embryo in most vertebrates?

What is the term for the specialized cells in the retina responsible for color vision?

What is the name of the hormone that stimulates the production of red blood cells in animals?

Which organ system is responsible for protecting the body from pathogens and foreign substances?

What is the term for the instinctive behavior exhibited by animals to search for food?

What is the name of the hormone that stimulates milk production in female mammals?

Which hormone is responsible for stimulating uterine contractions during childbirth?

Which type of neurons transmit signals from sensory organs to the central nervous system?

Which type of behavior involves animals communicating with each other through sounds or signals?