Best GK Quiz – How Much Do you Know About Blood?

Test your blood knowledge with this interesting quiz! Discover key facts about blood components, the dangers of blood loss, and the significance of blood donation. World Blood Donor Day is an excellent time to explore this essential part of the human body.

World Blood Donor Day is an annual event celebrated on June 14th. It’s a crucial day to spread awareness about the importance of blood donations and how they can make a life-saving difference.

Blood is a critical necessity for humans. It’s used in various medical procedures like surgeries, transfusions, and treatments for diseases like cancer. Shockingly, someone in the world needs blood every two seconds, but the supply often falls short.

This is why donating blood is so vital. When you give blood, you’re offering a precious gift that could potentially save someone’s life.

Ques 1. What is the primary function of blood in the human body?

1. Transportation of oxygen and nutrients
2. Digestion of food
3. Regulation of body temperature
4. Protection against sunlight

Answer: a) Transportation of oxygen and nutrients

Ques 2. Which component of blood is responsible for transporting oxygen to body tissues?

1. Plasma
2. Platelets
3. Red blood cells
4. White blood cells

Answer: c) Red blood cells

Ques 3. What is the liquid component of blood that makes up the majority of its volume?

1. Platelets
2. Haemoglobin
3. Plasma
4. Cholesterol

Answer: c) Plasma

Ques 4. Which blood type is known as the universal donor?

1. A
2. B
3. AB
4. O

Answer: d) O

Ques 5. Which blood type is known as the universal recipient?

1. A
2. B
3. AB
4. O

Answer: c) AB

Ques 6. Which component of blood is responsible for blood clotting?

1. Plasma
2. Red blood cells
3. White blood cells
4. Platelets

Answer: d) Platelets

Ques 7. What is the average lifespan of a red blood cell in the human body?

1. 1 day
2. 1 week
3. 2 months
4. 1 year

Answer: c) 2 months

Ques 8. Which organ is responsible for the production of red blood cells?

1. Liver
2. Kidneys
3. Bone marrow
4. Spleen

Answer: c) Bone marrow

Ques 9. What is the medical condition characterised by a deficiency of red blood cells or haemoglobin?

1. Leukaemia
2. Anaemia
3. Thrombocytopenia
4. Hemophilia

Answer: b) Anaemia

Ques 10. Which gas binds to haemoglobin in red blood cells for transport in the body?

1. Oxygen
2. Carbon dioxide
3. Nitrogen
4. Hydrogen

Answer: a) Oxygen

Ques 11. Which of the following is not a type of white blood cell?

1. Neutrophil
2. Lymphocyte
3. Erythrocyte
4. Monocyte

Answer: c) Erythrocyte

Ques 12. Which blood component plays a crucial role in the immune system and fighting infections?

1. Red blood cells
2. Platelets
3. White blood cells
4. Plasma

Answer: c) White blood cells

Ques 13. What is the medical term for the process of white blood cells engulfing and destroying foreign particles or bacteria?

1. Phagocytosis
2. Photosynthesis
3. Hemostasis
4. Osmosis

Answer: a) Phagocytosis

Ques 14. Which blood vessel carries oxygenated blood away from the heart?

1. Artery
2. Vein
3. Capillary
4. Aorta

Answer: a) Artery

Ques 15. Which blood vessel carries deoxygenated blood back to the heart?

1. Artery
2. Vein
3. Capillary
4. Aorta

Answer: b) Vein

Ques 16. What is the name of the protein that helps blood to clot and stop bleeding?

1. Insulin
2. Haemoglobin
3. Fibrin
4. Collagen

Answer: c) Fibrin

Ques 17. What is the condition characterised by a lack of platelets in the blood, leading to increased bleeding and bruising?

1. Haemophilia
2. Thrombocytopenia
3. Leukemia
4. Anaemia

Answer: b) Thrombocytopenia

Ques 18. Which of the following is a common blood type in the ABO blood group system?

1. Type X
2. Type Y
3. Type Z
4. Type A

Answer: d) Type A

Ques 19. Which blood type is known as the “universal recipient” in the ABO blood group system?

1. Type A
2. Type B
3. Type AB
4. Type O

Answer: c) Type AB

Ques 20. Which blood component is responsible for maintaining fluid balance in the body?

1. Red blood cells
2. Platelets
3. Plasma
4. Albumin

Answer: d) Albumin

Ques 21. Which organ filters and cleanses the blood by removing waste and toxins?

1. Liver
2. Kidneys
3. Spleen
4. Lungs

Answer: b) Kidneys

Ques 22. What is the medical term for the process of stopping blood flow from a damaged blood vessel?

1. Coagulation
2. Hemostasis
3. Thrombosis
4. Vasodilation

Answer: b) Hemostasis

Ques 23. What is the most common blood type among humans worldwide?

1. Type A
2. Type B
3. Type AB
4. Type O

Answer: d) Type O

Ques 24. Which gas is primarily transported by red blood cells in the blood?

1. Oxygen
2. Carbon dioxide
3. Nitrogen
4. Hydrogen

Answer: a) Oxygen

Ques 25. What is the medical term for a clot that forms inside a blood vessel and can block blood flow?

1. Haemoglobin
2. Hematoma
3. Thrombosis
4. Hemorrhage

Answer: c) Thrombosis

Ques 26. What is the process of blood cell formation called, which occurs in the bone marrow?

1. Hemodialysis
2. Hemostasis
3. Hematopoiesis
4. Hematuria

Answer: c) Hematopoiesis

Ques 27. What is the primary function of platelets in the blood?

1. Transporting oxygen
2. Clotting blood
3. Fighting infections
4. Maintaining pH balance

Answer: b) Clotting blood

Ques 28. What is the term for the liquid part of blood after it has been allowed to clot?

1. Serum
2. Plasma
3. Haemoglobin
4. Albumin

Answer: a) Serum

Ques 29. Which blood cell type is responsible for carrying carbon dioxide away from body tissues?

1. Red blood cells
2. White blood cells
3. Platelets
4. Lymphocytes

Answer: a) Red blood cells

Ques 30. What is the condition characterised by a significant drop in blood pressure, often leading to fainting?

1. Anaemia
2. Hypertension
3. Hypotension
4. Thrombosis

Answer: c) Hypotension

Ques 31. Which blood component is responsible for maintaining the body’s acid-base balance?

1. Red blood cells
2. Platelets
3. Haemoglobin
4. Bicarbonate ions

Answer: d) Bicarbonate ions

Ques 32. What is the average volume of blood in an adult human body?

1. 1 litre
2. 5 litres
3. 10 litres
4. 20 litres

Answer: b) 5 litres

Ques 33. Which blood vessel carries oxygenated blood from the lungs to the heart?

1. Pulmonary artery
2. Pulmonary vein
3. Aorta
4. Inferior vena cava

Answer: b) Pulmonary vein

Ques 34. Which blood component is responsible for transporting nutrients and hormones throughout the body?

1. Red blood cells
2. White blood cells
3. Platelets
4. Plasma

Answer: d) Plasma

Ques 35. What is the condition where there is a lack of insulin in the blood, leading to high blood sugar levels?

1. Anaemia
2. Diabetes
3. Hypertension
4. Hemophilia

Answer: b) Diabetes

Ques 36. Which blood type can a person with type O negative blood receive?

1. Type O negative
2. Type A positive
3. Type B negative
4. Type AB positive

Answer: a) Type O negative

Ques 37. Which blood cell type is responsible for producing antibodies to fight infections?

1. Red blood cells
2. Platelets
3. Neutrophils
4. B lymphocytes

Answer: d) B lymphocytes

Ques 38. Which gas is expelled from the body when you exhale after the exchange in the lungs?

1. Oxygen
2. Carbon dioxide
3. Nitrogen
4. Hydrogen

Answer: b) Carbon dioxide

Ques 39. What is the medical term for a decrease in the number of red blood cells or a reduction in their ability to carry oxygen?

1. Hematuria
2. Hemostasis
3. Haemophilia
4. Hypoxia

Answer: d) Hypoxia

Ques 40. Which of the following is not a function of blood in the human body?

1. Carrying waste products
2. Maintaining blood sugar levels
3. Regulating body temperature
4. Providing structural support

Answer: d) Providing structural support

Ques 41. Which blood type is considered the “universal donor” for plasma donation?

1. Type A
2. Type B
3. Type AB
4. Type O

Answer: d) Type O

Ques 42. Which component of blood plays a role in preventing infections by producing antibodies?

1. Platelets
2. Haemoglobin
3. Lymphocytes
4. Plasma

Answer: c) Lymphocytes

Ques 43. What is the name for the process of excessive loss of blood from the body?

1. Thrombosis
2. Hemostasis
3. Hemorrhage
4. Coagulation

Answer: c) Hemorrhage

Ques 44. Which blood type is considered the “universal recipient” for plasma donation?

1. Type A
2. Type B
3. Type AB
4. Type O

Answer: c) Type AB

Ques 45. Which of the following is a function of blood plasma?

1. Transporting oxygen
2. Clotting blood
3. Fighting infections
4. Carrying nutrients and waste products

Answer: d) Carrying nutrients and waste products

Ques 46. What is the medical condition characterised by the excessive production of red blood cells, leading to thickened blood?

1. Anaemia
2. Polycythemia
3. Thrombocytopenia
4. Hemophilia

Answer: b) Polycythemia

Ques 47. What is the name of the protein responsible for the red color of blood and its oxygen-carrying capacity?

1. Collagen
2. Fibrin
3. Haemoglobin
4. Albumin

Answer: c) Haemoglobin

Ques 48. What is the medical term for the process of blood cell formation?

1. Hemostasis
2. Hematocrit
3. Hematopoiesis
4. Hematuria

Answer: c) Hematopoiesis

Ques 49. Which blood component helps to maintain blood pressure by regulating the volume of blood in the circulatory system?

1. Platelets
2. Haemoglobin
3. Plasma
4. Red blood cells

Answer: c) Plasma

Ques 50. What is the normal range for human blood pressure (in mmHg)?

1. 80/60
2. 120/80
3. 160/100
4. 200/150

Answer: b) 120/80