Mark-100 Time-50 Minute
1. What is the main function of red blood cells (RBCs)?
a) Fighting infections
b) Transporting oxygen
c) Producing antibodies
d) Clotting blood
2. What is the lifespan of a red blood cell?
a) 30 days
b) 60 days
c) 120 days
d) 200 days
3. Which blood group is the universal donor?
a) A+
b) B+
c) AB+
d) O-
4. Which white blood cells are responsible for producing antibodies?
a) Neutrophils
b) Eosinophils
c) Basophils
d) Lymphocytes
5. What is the function of platelets in blood?
a) Oxygen transport
b) Blood clotting
c) Immune defense
d) Waste removal
6. What is the liquid component of blood called?
a) Hemoglobin
b) Plasma
c) Serum
d) Lymph
7. Which organ is primarily responsible for filtering and recycling old red blood cells?
a) Kidney
b) Liver
c) Spleen
d) Pancreas
8. Hemoglobin in red blood cells contains which metal?
a) Calcium
b) Iron
c) Magnesium
d) Zinc
9. Which vitamin is essential for blood clotting?
a) Vitamin A
b) Vitamin C
c) Vitamin K
d) Vitamin D
10. Which blood disorder is characterized by a low platelet count?
a) Hemophilia
b) Thrombocytopenia
c) Leukemia
d) Anemia
11. How many bones are in the adult human body?
a) 200
b) 206
c) 215
d) 225
12. Which is the longest bone in the human body?
a) Femur
b) Tibia
c) Humerus
d) Radius
13. What is the smallest bone in the human body?
a) Stapes
b) Radius
c) Clavicle
d) Fibula
14. The skull protects which vital organ?
a) Heart
b) Brain
c) Lungs
d) Liver
15. The knee joint is an example of which type of joint?
a) Ball and socket
b) Hinge
c) Pivot
d) Saddle
16. What type of muscle is the heart made of?
a) Skeletal muscle
b) Smooth muscle
c) Cardiac muscle
d) Voluntary muscle
17. Which type of muscle is involuntary and found in the digestive system?
a) Skeletal muscle
b) Smooth muscle
c) Cardiac muscle
d) Striated muscle
18. Which protein is responsible for muscle contraction?
a) Keratin
b) Myosin
c) Elastin
d) Fibrin
19. What is the largest muscle in the human body?
a) Gluteus maximus
b) Quadriceps
c) Biceps
d) Deltoid
20. Which muscle is responsible for breathing?
a) Pectoralis major
b) Deltoid
c) Diaphragm
d) Trapezius
21. What is the pH of human blood?
a) 6.0-6.5
b) 6.8-7.0
c) 7.35-7.45
d) 8.0-8.5
22. Which blood component carries oxygen?
a) Platelets
b) Plasma
c) Hemoglobin
d) White blood cells
23. Which type of WBC is the most abundant in human blood?
a) Lymphocytes
b) Neutrophils
c) Basophils
d) Eosinophils
24. Which blood vessel carries oxygenated blood from the heart?
a) Pulmonary artery
b) Pulmonary vein
c) Aorta
d) Superior vena cava
25. Which blood disorder is caused by iron deficiency?
a) Leukemia
b) Anemia
c) Hemophilia
d) Thrombosis
26. What is the main function of bones?
a) Energy storage
b) Blood sugar regulation
c) Protection and support
d) Oxygen transport
27. Which part of the skeleton protects the heart and lungs?
a) Skull
b) Ribcage
c) Vertebrae
d) Pelvis
28. Which bone is also known as the collarbone?
a) Scapula
b) Clavicle
c) Humerus
d) Sternum
29. What is the name of the bone forming the lower jaw?
a) Maxilla
b) Mandible
c) Zygomatic
d) Frontal
30. Which mineral is most abundant in bones?
a) Iron
b) Phosphorus
c) Calcium
d) Magnesium
31. What is the primary function of skeletal muscles?
a) Digestion
b) Movement
c) Hormone production
d) Blood circulation
32. What connects muscles to bones?
a) Ligaments
b) Tendons
c) Cartilage
d) Fascia
33. Which muscle is responsible for closing the eyelids?
a) Orbicularis oris
b) Masseter
c) Orbicularis oculi
d) Zygomaticus
34. Which type of muscle is involuntary and non-striated?
a) Skeletal muscle
b) Smooth muscle
c) Cardiac muscle
d) Voluntary muscle
35. What is the main function of the biceps brachii?
a) Extending the arm
b) Flexing the arm
c) Rotating the arm
d) Supporting the shoulder
36. What percentage of the human body is made up of blood?
a) 5-6%
b) 7-8%
c) 10-12%
d) 15-18%
37. What protein helps in blood clotting?
a) Collagen
b) Fibrinogen
c) Myoglobin
d) Elastin
38. What type of joint is found in the shoulder?
a) Hinge
b) Pivot
c) Ball and socket
d) Saddle
39. The vertebral column consists of how many bones?
a) 26
b) 30
c) 33
d) 36
40. The process of blood cell formation is called?
a) Hemopoiesis
b) Hemolysis
c) Homeostasis
d) Hematocrit
41. Which type of joint connects the skull bones?
a) Hinge
b) Pivot
c) Sutures
d) Gliding
42. Which muscle helps in smiling?
a) Masseter
b) Orbicularis oculi
c) Zygomaticus major
d) Sternocleidomastoid
43. What is the primary function of bone marrow?
a) Fat storage
b) Blood cell production
c) Heat regulation
d) Nerve transmission
44. The femur connects to the pelvis at which joint?
a) Knee joint
b) Hip joint
c) Elbow joint
d) Wrist joint
45. Which muscle is known as the calf muscle?
a) Quadriceps
b) Gastrocnemius
c) Sartorius
d) Soleus
46. Which type of WBCs are responsible for producing antibodies?
a) Neutrophils
b) Eosinophils
c) Lymphocytes
d) Monocytes
47. What is the lifespan of red blood cells (RBCs)?
a) 60 days
b) 90 days
c) 120 days
d) 150 days
48. Which enzyme in RBCs helps in the transport of carbon dioxide?
a) Pepsin
b) Catalase
c) Carbonic anhydrase
d) Lipase
49. Which condition is caused by excessive loss of blood?
a) Hemophilia
b) Hemorrhage
c) Thrombosis
d) Anemia
50. Which organ is responsible for the destruction of old RBCs?
a) Liver
b) Spleen
c) Kidney
d) Bone marrow
51. The longest bone in the human body is?
a) Tibia
b) Humerus
c) Femur
d) Radius
52. Which part of the skeleton consists of the skull, vertebral column, and ribcage?
a) Appendicular skeleton
b) Axial skeleton
c) Pelvic girdle
d) Shoulder girdle
53. The smallest bone in the human body is?
a) Patella
b) Stapes
c) Scaphoid
d) Ulna
54. Which joint is an example of a hinge joint?
a) Shoulder
b) Hip
c) Knee
d) Wrist
55. The total number of bones in an adult human body is?
a) 200
b) 206
c) 210
d) 215
56. What is the contractile unit of a muscle fiber?
a) Myofibril
b) Sarcomere
c) Actin
d) Myosin
57. Which muscle is responsible for breathing?
a) Intercostal muscles
b) Diaphragm
c) Pectoralis major
d) Trapezius
58. What is the strongest muscle based on its weight?
a) Masseter
b) Deltoid
c) Quadriceps
d) Triceps
59. Which muscle is responsible for bending the arm at the elbow?
a) Triceps
b) Biceps
c) Pectoralis major
d) Gluteus maximus
60. The inability of muscles to relax after contraction is called?
a) Tetany
b) Atrophy
c) Spasm
d) Myasthenia
61. What is the main function of red blood cells (RBCs)?
A) Fighting infections
B) Transporting oxygen
C) Clotting blood
D) Producing antibodies
62. Which component of blood helps in clotting?
A) RBCs
B) WBCs
C) Platelets
D) Plasma
63. What is the normal lifespan of red blood cells?
A) 30 days
B) 60 days
C) 90 days
D) 120 days
64. Which type of white blood cell is responsible for producing antibodies?
A) Neutrophils
B) Eosinophils
C) Lymphocytes
D) Basophils
65. Hemoglobin contains which metal ion?
A) Calcium
B) Iron
C) Magnesium
D) Sodium
66. Which blood group is considered the universal donor?
A) A
B) B
C) AB
D) O
67. What is the fluid portion of blood called?
A) Serum
B) Plasma
C) Hemoglobin
D) Platelets
68. The total number of bones in an adult human body is:
A) 206
B) 210
C) 300
D) 180
69. The longest bone in the human body is:
A) Humerus
B) Tibia
C) Femur
D) Radius
70. Which type of joint is found in the shoulder?
A) Hinge joint
B) Ball and socket joint
C) Pivot joint
D) Gliding joint
71. The smallest bone in the human body is:
A) Stapes
B) Ulna
C) Fibula
D) Scapula
72. What is the primary function of bones?
A) Producing red blood cells
B) Providing structure and support
C) Storing minerals
D) All of the above
73. What is the soft, spongy material inside bones that produces blood cells?
A) Cartilage
B) Periosteum
C) Bone marrow
D) Ligament
74. Which mineral is most abundant in bones?
A) Iron
B) Phosphorus
C) Calcium
D) Magnesium
75. Which part of the body contains the most bones?
A) Hand
B) Skull
C) Spine
D) Foot
76. How many ribs does the human body have?
A) 10
B) 12
C) 14
D) 16
77. Which type of muscle is involuntary and found in the heart?
A) Skeletal muscle
B) Smooth muscle
C) Cardiac muscle
D) Voluntary muscle
78. The basic contractile unit of a muscle fiber is called:
A) Myosin
B) Actin
C) Sarcomere
D) Tendon
79. Which muscle is responsible for breathing?
A) Diaphragm
B) Triceps
C) Biceps
D) Deltoid
80. Which type of muscle is voluntary?
A) Smooth muscle
B) Skeletal muscle
C) Cardiac muscle
D) Involuntary muscle
81. What connects muscles to bones?
A) Cartilage
B) Ligaments
C) Tendons
D) Joints
82. Which muscle is used to lift the forearm?
A) Quadriceps
B) Biceps
C) Gluteus maximus
D) Trapezius
83. The Achilles tendon is located in the:
A) Hand
B) Arm
C) Foot
D) Neck
84. Which muscle forms the bulk of the upper arm?
A) Biceps
B) Triceps
C) Deltoid
D) Pectorals
85. The main function of the skeletal system is:
A) Producing hormones
B) Protecting organs
C) Digesting food
D) Pumping blood
86. What type of joint is found in the knee?
A) Ball and socket joint
B) Hinge joint
C) Pivot joint
D) Gliding joint
87. Which protein is primarily responsible for muscle contraction?
A) Collagen
B) Keratin
C) Actin and Myosin
D) Elastin
88. What is the largest muscle in the human body?
A) Deltoid
B) Biceps
C) Quadriceps
D) Gluteus Maximus
89. How many types of muscles are present in the human body?
A) 1
B) 2
C) 3
D) 4
90. Which type of muscle is responsible for peristalsis in the digestive tract?
A) Skeletal muscle
B) Smooth muscle
C) Cardiac muscle
D) Voluntary muscle
91. Which part of the bone is responsible for growth in children?
A) Cartilage
B) Epiphyseal plate
C) Periosteum
D) Compact bone
92. Which of the following is NOT a function of blood?
A) Transporting oxygen
B) Fighting infections
C) Producing energy
D) Regulating body temperature
93. What is the main function of hemoglobin?
A) Transporting glucose
B) Fighting infections
C) Transporting oxygen
D) Digesting food
94. Which of these bones is part of the axial skeleton?
A) Femur
B) Humerus
C) Skull
D) Tibia
95. Which mineral deficiency leads to muscle cramps?
A) Calcium
B) Iron
C) Sodium
D) Potassium
96. What type of blood cells are responsible for immunity?
A) Red blood cells
B) White blood cells
C) Platelets
D) Plasma
97. Which part of the blood carries hormones and nutrients?
A) Plasma
B) Red blood cells
C) White blood cells
D) Platelets
98. What is osteoporosis?
A) A muscle disorder
B) A bone disease
C) A blood disorder
D) A joint disease
99. Which part of the bone stores fat?
A) Red marrow
B) Yellow marrow
C) Periosteum
D) Compact bone
100. Which muscle helps in blinking and closing the eyes?
A) Orbicularis Oris
B) Masseter
C) Orbicularis Oculi
D) Sternocleidomastoid
