Maths Group11

Biology some questions about homeostasis in animals from grade 11 unit 2. 1. What is homeostasis?    A) The process of cell division     B) The maintenance of a stable internal environment     C) The growth of an organism     D) The process of digestion  2. Which organ is primarily responsible for regulating body temperature in mammals?    A) Heart     B) Liver     C) Skin     D) Brain  3. What mechanism does the body primarily use to cool itself down?    A) Shivering     B) Sweating     C) Vasoconstriction     D) Hormonal release  4. Which hormone is released by the pancreas to lower blood glucose levels?    A) Glucagon     B) Insulin     C) Adrenaline     D) Cortisol  5. What is the term for the process by which organisms maintain a constant internal pH?    A) Osmoregulation     B) Thermoregulation     C) Acid-base homeostasis     D) Metabolism  6. In which part of the brain is the thermoregulatory center located?    A) Cerebrum     B) Cerebellum     C) Hypothalamus     D) Medulla oblongata  7. Which of the following is NOT a method of thermoregulation in animals?    A) Conduction     B) Convection     C) Radiation     D) Photosynthesis  8. What role do kidneys play in homeostasis?    A) Regulating body temperature     B) Maintaining fluid balance and electrolyte levels     C) Producing hormones only     D) Digesting food  9. Which type of feedback mechanism is most commonly involved in maintaining homeostasis?    A) Positive feedback     B) Negative feedback     C) Neutral feedback     D) Linear feedback  10. How do ectothermic animals primarily regulate their body temperature?     A) By generating heat metabolically      B) By behavioral adaptations, such as basking in the sun      C) By sweating and panting      D) By changing their diet  The answer will be released soon. @maths_group11 @maths_group11

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