Sure, here are the questions renumbered starting from 21:

21. What type of connective tissue is present in the skin and has an irregular orientation of fibers?
    (a) Dense regular connective tissue
    (b) Loose connective tissue
    (c) Dense irregular connective tissue
    (d) Cartilage
22. What type of cells are found in small cavities within the matrix of cartilage tissue?
    (a) Osteocytes
    (b) Chondrocytes
    (c) Fibroblasts
    (d) Adipocytes
23. Which type of connective tissue is characterized by a solid and pliable intercellular material that resists compression?
    (a) Bone
    (b) Blood
    (c) Cartilage
    (d) Dense connective tissue
24. What is the main function of red blood cells (RBC) in the blood?
    (a) Transport oxygen
    (b) Produce antibodies
    (c) Secrete collagen
    (d) Store fats
25. Which type of muscle tissue contains striations and is involved in voluntary movements?
    (a) Skeletal muscle
    (b) Smooth muscle
    (c) Cardiac muscle
    (d) Neuroglia
26. What is the primary function of red blood cells (RBC) in the blood?
    (a) Transport oxygen
    (b) Produce antibodies
    (c) Secrete collagen
    (d) Store fats
27. Which type of cells are found in small cavities within the matrix of cartilage tissue?
    (a) Osteocytes
    (b) Chondrocytes
    (c) Fibroblasts
    (d) Adipocytes
28. Which muscle tissue is involuntary and does not show striations?
    (a) Skeletal muscle
    (b) Smooth muscle
    (c) Cardiac muscle
    (d) Neuroglia
29. What type of tissue contains plasma, red blood cells, white blood cells, and platelets?
    (a) Cartilage
    (b) Bone
    (c) Blood
    (d) Loose connective tissue
30. Which type of connective tissue has a regular pattern of collagen fibers?
    (a) Dense regular connective tissue
    (b) Loose connective tissue
    (c) Dense irregular connective tissue
    (d) Areolar tissue
31. What is the main role of fibroblasts in connective tissue?
    (a) Store fats
    (b) Produce and secrete fibers
    (c) Transport oxygen
    (d) Produce blood cells
32. Which type of connective tissue is characterized by a solid and pliable intercellular material that resists compression?
    (a) Bone
    (b) Blood
    (c) Cartilage
    (d) Dense connective tissue
33. What type of cells in the blood are involved in immune responses and fighting infections?
    (a) Red blood cells
    (b) White blood cells
    (c) Platelets
    (d) Plasma cells
34. Which type of connective tissue is present in the skin and has an irregular orientation of fibers?
    (a) Dense regular connective tissue
    (b) Loose connective tissue
    (c) Dense irregular connective tissue
    (d) Cartilage
35. What is the main function of adipose tissue?
    (a) Produce fibers
    (b) Transport nutrients
    (c) Store fats
    (d) Provide structural support
36. Which type of muscle tissue is found in the heart?
    (a) Skeletal muscle
    (b) Smooth muscle
    (c) Cardiac muscle
    (d) Neuroglia
37. What is the primary function of platelets in the blood?
    (a) Transport oxygen
    (b) Fight infections
    (c) Clot blood
    (d) Secrete fibers
38. Which type of muscle tissue is attached to bones and allows voluntary movements?
    (a) Skeletal muscle
    (b) Smooth muscle
    (c) Cardiac muscle
    (d) Neuroglia
39. What type of cells are the main structural component of the neural system?
    (a) Neurons
    (b) Osteocytes
    (c) Fibroblasts
    (d) Chondrocytes
40. Which connective tissue type forms the intervertebral discs in the vertebral column?
    (a) Bone
    (b) Blood
    (c) Cartilage
    (d) Dense connective tissue
41. What is the main structural protein found in connective tissue fibers?
    (a) Collagen
    (b) Myosin
    (c) Actin
    (d) Elastin
42. Which type of cells in the bone are found in spaces called lacunae?
    (a) Adipocytes
    (b) Chondrocytes
    (c) Osteocytes
    (d) Fibroblasts
43. What is the main function of smooth muscle tissue in the body?
    (a) Voluntary movements
    (b) Involuntary movements
    (c) Producing blood cells
    (d) Storing fats
44. What type of tissue provides the main structural frame to the body?
    (a) Adipose tissue
    (b) Cartilage
    (c) Bone
    (d) Blood
45. What is the primary circulating fluid in the body that helps in the transport of various substances?
    (a) Cartilage
    (b) Lymph
    (c) Plasma
    (d) Blood
46. What type of tissue is present beneath the skin and serves as a support framework for epithelium?
    (a) Areolar tissue
    (b) Cartilage
    (c) Dense regular connective tissue
    (d) Bone
47. Which cells in bone tissue are responsible for producing the hard and non-pliable ground substance?
    (a) Chondrocytes
    (b) Osteocytes
    (c) Fibroblasts
    (d) Adipocytes
48. In what type of connective tissue are the fibers and fibroblasts compactly packed?
    (a) Dense connective tissue
    (b) Loose connective tissue
    (c) Cartilage
    (d) Bone
49. What type of muscle tissue contains striations and is involved in voluntary movements?
    (a) Skeletal muscle
    (b) Smooth muscle
    (c) Cardiac muscle
    (d) Neuroglia
50. What is the main function of red blood cells (RBC) in the blood?
    (a) Transport oxygen
    (b) Produce antibodies
    (c) Secrete collagen
    (d) Store fats
51. Which type of cells are found in small cavities within the matrix of cartilage tissue?
    (a) Osteocytes
    (b) Chondrocytes
    (c) Fibroblasts
    (d) Adipocytes
52. Which muscle tissue is involuntary and does not show striations?
    (a) Skeletal muscle
    (b) Smooth muscle
    (c) Cardiac muscle
    (d) Neuroglia
53. What type of tissue contains plasma, red blood cells, white blood cells, and platelets?
    (a) Cartilage
    (b) Bone
    (c) Blood
    (d) Loose connective tissue
54. Which type of connective tissue has a regular pattern of collagen fibers?
    (a) Dense regular connective tissue
    (b) Loose connective tissue
    (c) Dense irregular connective tissue
    (d) Areolar tissue
55. What is the main role of fibroblasts in connective tissue?
    (a) Store fats
    (b) Produce and secrete fibers
    (c) Transport oxygen
    (d) Produce blood cells
56. Which type of connective tissue is characterized by a solid and pliable intercellular material that resists compression?
    (a) Bone
    (b) Blood
    (c) Cartilage
    (d) Dense connective tissue
57. What type of cells in the blood are involved in immune responses and fighting infections?
    (a) Red blood cells
    (b) White blood cells
    (c) Platelets
    (d) Plasma cells
58. Which type of connective tissue is present in the skin and has an irregular orientation of fibers?
    (a) Dense regular connective tissue
    (b) Loose connective tissue
    (c) Dense irregular connective tissue
    (d) Cartilage
59. What is the main function of adipose tissue?
    (a) Produce fibers
    (b) Transport nutrients
    (c) Store fats
    (d) Provide structural support
60. Which type of muscle tissue is found in the heart?
    (a) Skeletal muscle
    (b) Smooth muscle
    (c) Cardiac muscle
    (d) Neuroglia
61. What is the primary function of platelets in the blood?
    (a) Transport oxygen
    (b) Fight infections
    (c) Clot blood
    (d) Secrete fibers
62. Which type of muscle tissue is attached to bones and allows voluntary movements?
    **(a) Skeletal muscle**
    (b) Smooth muscle
    (c) Cardiac muscle
    (d) Neuroglia
63. What type of cells are the main structural component of the neural system?
    (a) Neurons
    (b) Osteocytes
    (c) Fibroblasts
    (d) Chondrocytes
64. Which connective tissue type forms the intervertebral discs in the vertebral column?
    (a) Bone
    (b) Blood
    (c) Cartilage
    (d) Dense connective tissue
65. What is the main structural protein found in connective tissue fibers?
    (a) Collagen
    (b) Myosin
    (c) Actin
    (d) Elastin
66. Which type of cells in the bone are found in spaces called lacunae?
    (a) Adipocytes
    (b) Chondrocytes
    (c) Osteocytes
    (d) Fibroblasts
67. What is the main function of smooth muscle tissue in the body?
    (a) Voluntary movements
    (b) Involuntary movements
    (c) Producing blood cells
    (d) Storing fats
68. What type of tissue provides the main structural frame to the body?
    (a) Adipose tissue
    (b) Cartilage
    (c) Bone
    (d) Blood
69. What is the primary circulating fluid in the body that helps in the transport of various substances?
    (a) Cartilage
    (b) Lymph
    (c) Plasma
    (d) Blood
70. What type of tissue is present beneath the skin and serves as a support framework for epithelium?
    (a) Areolar tissue
    (b) Cartilage
    (c) Dense regular connective tissue
    (d) Bone
71. Which cells in bone tissue are responsible for producing the hard and non-pliable ground substance?
    (a) Chondrocytes
    (b) Osteocytes
    (c) Fibroblasts
    (d) Adipocytes
72. In what type of connective tissue are the fibers and fibroblasts compactly packed?
    (a) Dense connective tissue
    (b) Loose connective tissue
    (c) Cartilage
    (d) Bone
73. What type of muscle tissue contains striations and is involved in voluntary movements?
    (a) Skeletal muscle
    (b) Smooth muscle
    (c) Cardiac muscle
    (d) Neuroglia
74. What is the main function of red blood cells (RBC) in the blood?
    (a) Transport oxygen
    (b) Produce antibodies
    (c) Secrete collagen
    (d) Store fats
75. Which type of cells are found in small cavities within the matrix of cartilage tissue?
    (a) Osteocytes
    (b) Chondrocytes
    (c) Fibroblasts
    (d) Adipocytes
76. Which muscle tissue is involuntary and does not show striations?
    (a) Skeletal muscle
    (b) Smooth muscle
    (c) Cardiac muscle
    (d) Neuroglia
77. What type of tissue contains plasma, red blood cells, white blood cells, and platelets?
    (a) Cartilage
    (b) Bone
    (c) Blood
    (d) Loose connective tissue
78. Which type of connective tissue has a regular pattern of collagen fibers?
    (a) Dense regular connective tissue
    (b) Loose connective tissue
    (c) Dense irregular connective tissue
    (d) Areolar tissue
79. What is the main role of fibroblasts in connective tissue?
    (a) Store fats
    (b) Produce and secrete fibers
    (c) Transport oxygen
    (d) Produce blood cells
80. Which type of connective tissue is characterized by a solid and pliable intercellular material that resists compression?
    (a) Bone
    (b) Blood
    (c) Cartilage
    (d) Dense connective tissue
81. What type of cells in the blood are involved in immune responses and fighting infections?
    (a) Red blood cells
    (b) White blood cells
    (c) Platelets
    (d) Plasma cells
82. Which type of connective tissue is present in the skin and has an irregular orientation of fibers?
    (a) Dense regular connective tissue
    (b) Loose connective tissue
    (c) Dense irregular connective tissue
    (d) Cartilage
83. What is the main function of adipose tissue?
    (a) Produce fibers
    (b) Transport nutrients
    (c) Store fats
    (d) Provide structural support
84. Which type of muscle tissue is found in the heart?
    (a) Skeletal muscle
    (b) Smooth muscle
    (c) Cardiac muscle
    (d) Neuroglia
85. What is the primary function of platelets in the blood?
    (a) Transport oxygen
    (b) Fight infections
    (c) Clot blood
    (d) Secrete fibers
86. Which type of muscle tissue is attached to bones and allows voluntary movements?
    (a) Skeletal muscle
    (b) Smooth muscle
    (c) Cardiac muscle
    (d) Neuroglia
87. What type of cells are the main structural component of the neural system?
    (a) Neurons
    (b) Osteocytes
    (c) Fibroblasts
    (d) Chondrocytes
88. Which connective tissue type forms the intervertebral discs in the vertebral column?
    (a) Bone
    (b) Blood
    (c) Cartilage
    (d) Dense connective tissue
89. What is the main structural protein found in connective tissue fibers?
    (a) Collagen
    (b) Myosin
    (c) Actin
    (d) Elastin
90. Which type of cells in the bone are found in spaces called lacunae?
    (a) Adipocytes
    (b) Chondrocytes
    (c) Osteocytes
    (d) Fibroblasts
91. What is the main function of smooth muscle tissue in the body?
    (a) Voluntary movements
    (b) Involuntary movements
    (c) Producing blood cells
    (d) Storing fats
92. What type of tissue provides the main structural frame to the body?
    (a) Adipose tissue
    (b) Cartilage
    (c) Bone
    (d) Blood
93. What is the primary circulating fluid in the body that helps in the transport of various substances?
    (a) Cartilage
    (b) Lymph
    (c) Plasma
    (d) Blood
94. What type of tissue is present beneath the skin and serves as a support framework for epithelium?
    (a) Areolar tissue
    (b) Cartilage
    (c) Dense regular connective tissue
    (d) Bone
95. Which cells in bone tissue are responsible for producing the hard and non-pliable ground substance?
    (a) Chondrocytes
    (b) Osteocytes
    (c) Fibroblasts
    (d) Adipocytes
96. In what type of connective tissue are the fibers and fibroblasts compactly packed?
    (a) Dense connective tissue
    (b) Loose connective tissue
    (c) Cartilage
    (d) Bone
97. What type of muscle tissue contains striations and is involved in voluntary movements?
    (a) Skeletal muscle
    (b) Smooth muscle
    (c) Cardiac muscle
    (d) Neuroglia
98. What is the main function of red blood cells (RBC) in the blood?
    (a) Transport oxygen
    (b) Produce antibodies
    (c) Secrete collagen
    (d) Store fats
99. Which type of cells are found in small cavities within the matrix of cartilage tissue?
    (a) Osteocytes
    (b) Chondrocytes
    (c) Fibroblasts
    (d) Adipocytes
100. Which muscle tissue is involuntary and does not show striations?
     (a) Skeletal muscle
     (b) Smooth muscle
     (c) Cardiac muscle
     (d) Neuroglia