1. Blood plasma proteins primarily consist of:
1. Fibrinogen, hemoglobin and myoglobin
2. Fibrinogen, globulins and albumins
3. Albumins, platelets and globulins
4. Globulins, erythrocytes and fibrinogen
2. A healthy adult human has approximately how many RBCs per mm³ of blood?
1. 3.5-4.5 million
2. 4.5-5.0 million
3. 5.0-5.5 million
4. 5.5-6.5 million
3. Which of the following WBCs is correctly matched with its percentage in blood?
1. Neutrophils - 20-25%
2. Eosinophils - 6-8%
3. Basophils - 0.5-1%
4. Monocytes - 10-12%
4. A person with blood group AB is called a universal recipient because:
1. They have both anti-A and anti-B antibodies
2. They have no antibodies in plasma
3. They have both A and B antigens
4. They can only receive AB blood
5. In case of Rh incompatibility between mother and fetus, the condition erythroblastosis fetalis occurs when:
1. Mother is Rh+ve and fetus is Rh-ve
2. Both mother and fetus are Rh+ve
3. Mother is Rh-ve and fetus is Rh+ve
4. Both mother and fetus are Rh-ve
6. The average number of heartbeats per minute in a healthy adult human is:
1. 60-65
2. 65-70
3. 70-75
4. 75-80
7. Which of these is NOT a component of the lymphatic system?
1. Tissue fluid
2. Lymphocytes
3. Erythrocytes
4. Lymph vessels
8. The bicuspid valve in the heart is located between:
1. Right atrium and right ventricle
2. Left atrium and left ventricle
3. Right ventricle and pulmonary artery
4. Left ventricle and aorta
9. Which type of circulatory system is present in arthropods?
1. Closed circulatory system
2. Open circulatory system
3. Double circulation
4. Portal circulation
10. Which of the following statements is correct about formed elements in blood?
1. RBCs have a lifespan of 90 days
2. Neutrophils constitute 20-25% of total WBCs
3. Platelets are produced from megakaryocytes
4. Eosinophils are the most abundant WBCs
11. A person with blood group O has:
1. Both A and B antigens on RBCs
2. Neither A nor B antigens on RBCs
3. Only anti-A antibodies in plasma
4. No antibodies in plasma
12. Which of these is NOT a component of plasma?
1. Albumin
2. Hemoglobin
3. Fibrinogen
4. Globulin
13. The average number of platelets per mm³ of blood is:
1. 150-350
2. 1,500-3,500
3. 15,000-35,000
4. 150,000-350,000
14. Which blood group is known as the universal recipient?
1. A
2. B
3. AB
4. O
15. Which type of WBCs are most abundant?
1. Basophils
2. Neutrophils
3. Lymphocytes
4. Monocytes
16. Coagulation of blood requires:
1. Vitamin K only
2. Calcium ions only
3. Both Vitamin K and Calcium ions
4. Neither Vitamin K nor Calcium ions
17. The membrane surrounding the heart is called:
1. Epicardium
2. Myocardium
3. Endocardium
4. Pericardium
18. The valve between left atrium and left ventricle is:
1. Tricuspid valve
2. Bicuspid valve
3. Aortic valve
4. Pulmonary valve
19. The normal heart beat rate in humans is:
1. 60-65 beats/min
2. 70-75 beats/min
3. 80-85 beats/min
4. 90-95 beats/min
20. Which of these is NOT a function of plasma proteins?
1. Defense mechanism by globulins
2. Blood clotting by fibrinogen
3. Transport of respiratory gases
4. Maintaining osmotic balance by albumins
21. Universal recipients have blood group:
1. O positive
2. AB positive
3. B negative
4. A positive
22. The pacemaker of human heart is:
1. AV node
2. Purkinje fibers
3. SA node
4. Bundle of His
23. Which blood cells are responsible for immune responses?
1. Erythrocytes
2. Thrombocytes
3. Lymphocytes
4. Basophils
24. The most abundant WBCs in human blood are:
1. Eosinophils
2. Basophils
3. Neutrophils
4. Monocytes
25. Erythroblastosis fetalis occurs when:
1. Mother is Rh+ve and fetus is Rh-ve
2. Mother is Rh-ve and fetus is Rh+ve
3. Both mother and fetus are Rh+ve
4. Both mother and fetus are Rh-ve
26. The average lifespan of RBCs in humans is:
1. 90 days
2. 120 days
3. 150 days
4. 180 days
27. Which component of blood lacks nucleus in adult humans?
1. Neutrophils
2. Lymphocytes
3. Erythrocytes
4. Monocytes
28. The percentage of plasma in human blood is approximately:
1. 35%
2. 45%
3. 55%
4. 65%
29. Which of these is involved in inflammatory reactions?
1. Neutrophils
2. Basophils
3. Eosinophils
4. Monocytes
30. The process of blood clotting requires:
1. Vitamin K
2. Calcium ions
3. Both a and b
4. Neither a nor b
31. Platelets are formed from:
1. Myeloblasts
2. Megakaryocytes
3. Monoblasts
4. Lymphoblasts
32. The percentage of water in plasma is:
1. 80-82%
2. 85-87%
3. 90-92%
4. 95-97%
33. The normal platelet count in human blood is:
1. 150,000-350,000/mm³
2. 350,000-550,000/mm³
3. 550,000-750,000/mm³
4. 750,000-950,000/mm³
34. Plasma without which component is called serum?
1 Platelets
2. White blood cells
3. Clotting factors
4. Red blood cells
35. Which cells in blood are primarily responsible for phagocytic activity?
1. Neutrophils and monocytes
2. Basophils and eosinophils
3. Lymphocytes and platelets
4. Erythrocytes and thrombocytes
36. The P wave in an ECG represents:
1. Ventricular depolarization
2. Atrial depolarization
3. Ventricular repolarization
4. Complete cardiac cycle
37. The vascular connection between digestive tract and liver is called:
1. Hepatic portal system
2. Pulmonary circuit
3. Coronary vessels
4. Systemic circulation
38. Acute chest pain due to failure of oxygen supply to heart muscles is known as:
1. Hypertension
2. Angina pectoris
3. Atherosclerosis
4. Cardiac arrhythmia
39. Which specialized conducting fibers are present in the walls of ventricles?
1. SA node fibers
2. AV node fibers
3. Purkinje fibers
4. Bundle of His
40. Which protein is directly involved in blood clotting?
1. Albumin
2. Fibrinogen
3. Globulin
4. Thrombin
41. Erythroblastosis foetalis occurs due to:
1. Rh+ mother and Rh- fetus
2. Rh- mother and Rh+ fetus
3. Both Rh+ mother and fetus
4. Both Rh- mother and fetus
42. An increased QRS complex duration in ECG indicates:
1. Normal ventricular conduction
2. Delayed ventricular conduction
3. Rapid atrial conduction
4. Normal atrial conduction
43. Which cells provide immunity through antibody production?
1. Neutrophils
2. Monocytes
3. Lymphocytes
4. Eosinophils
44. The time gap in impulse conduction between SA node and ventricles is important for:
1. Complete ventricular filling
2. Atrial contraction only
3. Ventricular contraction only
4. Blood pressure maintenance
45. Which ion plays a crucial role in blood clotting?
1. Sodium
2. Potassium
3. Calcium
4. Magnesium
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Selected Qs - Body Fluids and Circulation - NCERT Exemplar Converted to MCQsContact Number: 8527521718