101 Advanced GK Questions on Human Body With Answer – Competitive Exams GK

The human body is complex, and each part, from the smallest cell to the largest organ, plays an important part in keeping the body functioning. We have listed 101 advanced-level GK questions with answers on the human body to challenge candidates’ knowledge and prepare them well for the upcoming competitive exams.

GK Questions on Human Body for All Competitive Examinations

We have covered a wide range of topics, including the nervous system, circulatory system, respiratory system, muscular system, skeletal system, urinary system, reproductive system, immune system, endocrine system, and skin.

Anatomy and Physiology: GK Questions

Question 1: What is the largest muscle in the human body?
Answer: Gluteus maximus

Question 2: How many bones are in the human adult skeleton?
Answer: 206

Question 3: What is the name of the fluid that fills the spaces between cells?
Answer: Interstitial fluid

Question 4: Which part of the brain is responsible for controlling voluntary movements?
Answer: Cerebrum

Question 5: What is the primary function of the endocrine system?
Answer: To produce hormones

Question 6: Which organ is responsible for producing bile?
Answer: Liver

Question 7: What is the name of the smallest bone in the human body?
Answer: Stapes

Question 8: How many chambers does the human heart have?
Answer: Four

Question 9: What is the name of the protective sheath that surrounds the brain and spinal cord?
Answer: Meninges

Question 10: Which gland produces the hormone melatonin, which regulates sleep-wake cycles?
Answer: Pineal gland

Question 11: What is the name of the process by which the body converts food into energy?
Answer: Metabolism

Question 12: Which part of the eye is responsible for focusing light?
Answer: Lens

Question 13: What is the name of the largest artery in the human body?
Answer: Aorta

Question 14: Which type of muscle tissue is found in the heart?
Answer: Cardiac muscle

Question 15: What is the name of the process by which the body removes waste products from the blood?
Answer: Excretion

Question 16: Which part of the brain is responsible for controlling emotions and memory?
Answer: Temporal lobe

Question 17: What is the name of the bone that forms the upper jaw?
Answer: Maxilla

Question 18: Which part of the ear is responsible for converting sound waves into electrical signals?
Answer: Cochlea

Question 19: What is the name of the largest nerve in the human body?
Answer: Sciatic nerve

Question 20: Which type of blood cell is responsible for carrying oxygen to the body’s tissues?
Answer: Red blood cells

Nervous System: GK Questions

Question 21: What is the basic unit of the nervous system?
Answer: Neuron

Question 22: What is the gap between two neurons called?
Answer: Synapse

Question 23: Which part of the brain is responsible for controlling balance and coordination?
Answer: Cerebellum

Question 24: What is the name of the protective sheath that surrounds the spinal cord?
Answer: Meninges

Question 25: Which neurotransmitter is associated with pleasure and reward?
Answer: Dopamine

Question 26: What is the name of the disorder characterized by tremors, stiffness, and difficulty walking?
Answer: Parkinson’s disease

Question 27: What is the name of the disorder characterized by seizures?
Answer: Epilepsy

Question 28: What is the name of the disorder characterized by memory loss and confusion?
Answer: Alzheimer’s disease

Question 29: What is the name of the disorder characterized by numbness and tingling in the hands and feet?
Answer: Carpal tunnel syndrome

Question 30: What is the name of the disorder characterized by excessive fear and anxiety?
Answer: Anxiety disorder

Digestive System: GK Questions

Digestive System is a long, muscular tube that starts at the mouth and ends at the anus. It break down food into nutrients which are then absorbed into the bloodstream. It is also responsible for eliminating waste products from the body.

Question 30: What is the first part of the small intestine?
Answer: Duodenum

Question 31: Which organ produces insulin?
Answer: Pancreas

Question 32: What is the name of the process by which food is broken down into smaller molecules?
Answer: Digestion

Question 33: Which part of the large intestine is responsible for absorbing water?
Answer: Colon

Question 34: What is the name of the enzyme that breaks down carbohydrates?
Answer: Amylase

Question 35: What is the name of the enzyme that breaks down proteins?
Answer: Protease

Question 36: What is the name of the condition where the stomach produces too much acid?
Answer: Gastric ulcer

Question 37: What is the name of the condition where the liver is damaged by excessive alcohol consumption?
Answer: Cirrhosis

Question 38: What is the name of the condition where the intestines become inflamed?
Answer: Inflammatory bowel disease (IBD)

Question 39: What is the name of the condition where the gallbladder becomes blocked by gallstones?
Answer: Cholelithiasis

Circulatory System : GK with Answers

Question 40: What is the main function of the circulatory system?
Answer: To transport blood throughout the body

Question 41: What is the largest blood vessel in the body?
Answer: Aorta

Question 42: Which blood cell is responsible for clotting?
Answer: Platelets

Question 43: What is the average resting heart rate for an adult?
Answer: 60-100 beats per minute

Question 44: What is the term for a blood clot that travels through the bloodstream?
Answer: Embolus

Question 45: What is the term for a blood clot that forms in a blood vessel?
Answer: Thrombus

Question 46: What is the name of the condition where the blood pressure is abnormally high?
Answer: Hypertension

Question 47: What is the name of the condition where the arteries become narrowed and hardened?
Answer: Atherosclerosis

Question 48: What is the name of the condition where the heart muscle becomes weak and unable to pump blood effectively?
Answer: Heart failure

Question 49: What is the name of the procedure used to open blocked arteries?
Answer: Angioplasty

Respiratory System : GK Questions

Question 50: What is the main function of the respiratory system?
Answer: To exchange oxygen and carbon dioxide between the blood and the environment

Question 51: What are the two main organs of the respiratory system?
Answer: Lungs and trachea

Question 52: What is the name of the tiny air sacs in the lungs?
Answer: Alveoli

Question 53: What is the process of breathing in called?
Answer: Inhalation

Question 54: What is the process of breathing out called?
Answer: Exhalation

Question 55: What is the name of the condition where the airways become narrowed and inflamed?
Answer: Asthma

Question 56: What is the name of the condition where the lungs become damaged due to long-term exposure to cigarette smoke?
Answer: Chronic obstructive pulmonary disease (COPD)

Question 57: What is the name of the procedure used to treat sleep apnea?
Answer: Continuous positive airway pressure (CPAP)

Question 58: What is the name of the condition where the lungs become infected with bacteria?
Answer: Pneumonia

Question 59: What is the name of the condition where the lungs become filled with fluid?
Answer: Pulmonary edema

Muscular System : GK with Answers

Question 60: What are the three types of muscle tissue?
Answer: Skeletal, smooth, and cardiac

Question 61: What is the main function of skeletal muscle?
Answer: To allow for movement

Question 62: Which muscle is responsible for controlling the iris of the eye?
Answer: Iris sphincter muscle

Question 63: What is the term for a muscle that contracts while another muscle relaxes?
Answer: Antagonistic muscles

Question 64: What is the name of the condition where a muscle becomes weak or paralyzed due to nerve damage?
Answer: Muscular dystrophy

Skeletal System : Human Body GK

Question 65: What is the hardest substance in the human body?
Answer: Enamel

Question 66: How many bones are in the human skull?
Answer: 22

Question 67: What is the name of the bone that connects the shoulder blade to the sternum?
Answer: Clavicle

Question 68: What is the name of the bone that forms the kneecap?
Answer: Patella

Question 69: What is the name of the process by which bones grow and repair themselves?
Answer: Ossification

Urinary System : GK Questions

Question 70: What is the main function of the kidneys?
Answer: To filter waste products from the blood

Question 71: What is the name of the tube that carries urine from the kidneys to the bladder?
Answer: Ureter

Question 72: What is the name of the process by which the kidneys filter waste products from the blood?
Answer: Filtration

Question 73: What is the name of the hormone that regulates water balance in the body?
Answer: Antidiuretic hormone (ADH)

Question 74: What is the name of the condition where the kidneys fail to function properly?
Answer: Kidney failure

Question 75: What is the name of the condition where the kidneys fail to function properly?
Answer: Kidney failure

Question 76: What is the name of the procedure used to filter the blood when the kidneys fail?
Answer: Dialysis

Question 77: What is the name of the condition where the kidneys produce too much urine?
Answer: Diabetes insipidus

Question 78: What is the name of the condition where the kidneys produce too little urine?
Answer: Oliguria

Question 79: What is the name of the condition where the kidneys become infected?
Answer: Pyelonephritis

Reproductive System : GK with Answers

Question 80: What is the name of the female reproductive organ that produces eggs?
Answer: Ovaries

Question 81: What is the name of the male reproductive organ that produces sperm?
Answer: Testes

Question 82: What is the name of the process by which a sperm cell fertilizes an egg cell?
Answer: Fertilization

Question 83: What is the name of the hormone that is responsible for the development of female secondary sex characteristics?
Answer: Estrogen

Question 84: What is the name of the hormone that is responsible for the development of male secondary sex characteristics?
Answer: Testosterone

Immune System : Human Body GK

Question 85: What is the name of the white blood cells that fight infection?
Answer: Lymphocytes

Question 86: What is the name of the protein that is produced by the immune system to fight infection?
Answer: Antibody

Question 87: What is the name of the autoimmune disease that affects the joints?
Answer: Rheumatoid arthritis

Question 88: What is the name of the condition where the immune system attacks the body’s own tissues?
Answer: Autoimmune disease

Question 89: What is the name of the vaccination that protects against smallpox?
Answer: Smallpox vaccine

Endocrine System : GK Questions

Question 90: Which hormone regulates blood sugar levels?
Answer: Insulin and glucagon

Question 91: What is the name of the condition where the thyroid gland produces too much thyroid hormone?
Answer: Hyperthyroidism

Question 92: Which hormone is responsible for the fight-or-flight response?
Answer: Adrenaline

Question 93: What is the name of the condition where the pituitary gland produces too much growth hormone?
Answer: Gigantism

Skin : Human Body GK

Question 94: What is the outermost layer of the skin called?
Answer: Epidermis

Question 95: What is the name of the pigment that gives the skin its color?
Answer: Melanin

Question 96: What is the name of the condition where the skin becomes dry and itchy?
Answer: Eczema

Question 97: What is the name of the most common type of skin cancer?
Answer: Basal cell carcinoma

Question 98: What is the name of the condition where the skin becomes discolored?
Answer: Vitiligo

Question 99: What is the medical term for excessive sweating?
Answer: Hyperhidrosis.

Question 100: What is the most common cause of acne?
Answer: Overactive oil glands.

Question 101: What is the main function of the skin?
Answer: Protection.

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