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Homeostasis—Class 10 Biology Chapter 2 MCQs What is homeostasis? a) Process of growth b) Maintenance of internal conditions c) Movement of body parts d) Digestion of food Answer: b Which organ is responsible for filtering blood in humans? a) Heart b) Liver c) Kidney d) Lung Answer: c The functional unit of the kidney is a) Alveolus b) Nephron c) Neuron d) Glomerulus Answer: b Homeostasis is essential for: a) Energy production b) Cell survival c) Movement d) Respiration Answer: b The main excretory product in humans is: a) Urea b) Glucose c) Oxygen d) Fat Answer: a Which part of the nephron is responsible for filtration? a) Loop of Henle b) Bowman’s capsule c) Collecting duct d) Renal pelvis Answer: b Which hormone controls water reabsorption in kidneys? a) Insulin b) ADH c) Glucagon d) Aldosterone Answer: b Which system is directly involved in osmoregulation? a) Skeletal b) Respiratory c) Excretory d) Circulatory Answer: c ...