Animal Physiology MCQs February 24, 2026March 26, 2024 by u930973931_answers 20 min Score: 0 Attempted: 0/20 Subscribe 1. . Which of the following is not a function of the respiratory system in animals? (A) Gas exchange (B) Regulation of body temperature (C) Removal of carbon dioxide (D) Regulation of pH balance 2. . In mammals, which organ is responsible for the production of insulin? (A) Pancreas (B) Liver (C) Kidney (D) Adrenal gland 3. . Which of the following is not a component of the human immune system? (A) White blood cells (B) Red blood cells (C) Lymph nodes (D) Antibodies 4. . What is the primary function of the cerebrum in the brain? (A) Coordination of movement (B) Regulation of body temperature (C) Processing of sensory information (D) Control of involuntary actions 5. . Which of the following is not a type of neuron? (A) Sensory neuron (B) Motor neuron (C) Connector neuron (D) Interneuron 6. . Which hormone is responsible for the regulation of water balance in mammals? (A) Aldosterone (B) Thyroxine (C) Melatonin (D) Estrogen 7. . What is the primary function of the stomach in the digestive system? (A) Absorption of nutrients (B) Production of bile (C) Mechanical and chemical digestion of food (D) Regulation of blood sugar levels 8. . Which of the following is not a function of the urinary system in animals? (A) Regulation of blood pressure (B) Removal of metabolic waste (C) Regulation of electrolyte balance (D) Production of red blood cells 9. . What is the primary function of the adrenal medulla in mammals? (A) Regulation of blood pressure (B) Production of adrenaline and noradrenaline (C) Regulation of blood sugar levels (D) Storage of glycogen 10. . Which of the following hormones is primarily responsible for the development of secondary sexual characteristics in mammals? (A) Testosterone (B) Insulin (C) Thyroxine (D) Prolactin 11. . What is the primary function of the lymphatic system in animals? (A) Production of hormones (B) Transportation of oxygen (C) Immune response (D) Regulation of body temperature 12. . In which part of the brain is the hypothalamus located? (A) Forebrain (B) Midbrain (C) Hindbrain (D) Cerebrum 13. . Which of the following is not a component of the human endocrine system? (A) Pituitary gland (B) Thyroid gland (C) Adrenal gland (D) Liver 14. . What is the primary function of the small intestine in mammals? (A) Absorption of nutrients (B) Production of bile (C) Regulation of blood sugar levels (D) Storage of food 15. . Which of the following hormones is responsible for the regulation of blood calcium levels in mammals? (A) Parathyroid hormone (B) Insulin (C) Thyroxine (D) Adrenaline 16. . What is the primary function of the pancreas in mammals? (A) Regulation of blood sugar levels (B) Production of bile (C) Regulation of blood pressure (D) Production of red blood cells 17. . Which of the following is not a function of the integumentary system in animals? (A) Protection against pathogens (B) Regulation of body temperature (C) Production of hormones (D) Sensory perception 18. . In which part of the nephron does filtration of blood occur in the mammalian kidney? (A) Glomerulus (B) Bowman's capsule (C) Loop of Henle (D) Collecting duct 19. . What is the primary function of the corpus callosum in the brain? 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