Histology – Study of Tissues

1. A group of cells that are similar in structure, function, and origin is called—

2. Consider the following statements—
1. The structure and function of tissues are similar.
2. Tissues are found in both unicellular and multicellular organisms.
Which of the above is/are correct?

3. Both plant and animal tissues are found. Which of the following is/are true?

1.  Found in plants
2. Found in animals
3. Found in both

4. The use of the word "Histology" was first done by—

6. Consider the following—
1. Cells of a single tissue are usually similar in shape and function.
2. In some tissues, the cells are different in shape and function.
Which is correct?

5. A group of cells performing a specific function is called—

7. Which of the following is true regarding meristematic tissue in plants?

8. Which of the following plants has meristematic tissue throughout its life?

9. The main function of meristematic tissue is—

10. Which tissue is responsible for primary growth in length?

11. Which meristem is responsible for primary growth?

12. Which tissue is found under the epidermis and in young stems as a layer of
compactly arranged cells?

13. Which tissue is responsible for secondary growth (in thickness)?

14. Which meristem helps in growth between nodes?

15. Consider the following—

1. Permanent tissues form from division and differentiation of meristematic cells.
2. Growth stops in permanent tissue and cells become specialized.
Which is/are true?

16. Which of the following does NOT divide?

17. Which meristem is called primary meristem because it forms first in plant
life and originates from embryo?

19. Parenchyma is what type of tissue?

20. Which tissue contains living cells?

21. Main function of parenchyma is—

18. Which tissue is formed by division of meristematic cells?

22. In which plants is aerenchyma found?

23. In aquatic plants, the tissue that helps them float is—

24. Which tissue is dead, thick-walled, and used in making ropes?

25. Which of the following tissues lacks thick cell walls and doesn’t help in rigidity?

26. Which tissue provides flexibility to stems of plants like bamboo and
sugarcane?

27. Which of the following does NOT contain dead cells?

28. Which tissue has cells with uneven thickening in their walls?

29. When the soft parts of a plant rot or tear due to external impact, and the
torn part can’t be easily rejoined, this is due to abundance of which tissue?

30. In plants like cactus that store water, which tissue is abundant in the
stem?

31. Fruits and flowers get their shape and covering from which tissue?

32. Which chemical is present in the walls of collenchyma cells?

33. Intercellular spaces are found in which tissue?

34. What is the shape of parenchyma cells?

35. Parenchyma cells have what type of walls?

36. Which of the following is NOT a characteristic of sclerenchyma?

38. Which of the following is NOT a feature of xylem tissue?

37. In which tissue are intercellular spaces absent?

39. Why is velamen (found in aerial roots) useful?

40. What type of roots have velamen tissue?

41. Where is velamen found?

43. The outermost root layer that secretes mucilage and helps root movement is—

44. Dermal tissue arises from which meristem?

46. Which tissue system forms root hairs?

45. Which tissue system covers all outer parts of a plant?

47. Which layer lies just beneath the epidermis in roots?

48. What is the name of the layer between the endodermis and vascular
bundle in plants?

49. Which of the following is NOT true about Cambium?

51. What are the functions of xylem tissue?

50. Which is included in the Ground or Fundamental Tissue System?

52. Which of the following is not an ergastic (non-living) substance?

53. What is the arrangement called where both xylem and phloem are found  on the same radius?

54. Where are radial vascular bundles found?

55. What is included in the stele (central cylinder) of the root?

56. From what can you tell the age of a tree?

57. Annual ring consists of—

58. Which process leads to the formation of annual rings in trees?

59. A tree with 50 annual rings is how many years old?

60. Trees in deserts don’t show annual rings clearly. Why?

62. Read the following statements and identify which are correct:
(1) Heartwood is made of all dead cells.
(2) In sapwood, all cells are dead.
Options:

61. The darker and harder inner wood that no longer conducts water is
called—

63. If in the year 2000, the height of a tree was 7 feet, and each year it increased in
height by 5%, then what would be its height in 2021?

64. What is complex tissue made of?

65. Conducting tissues help in the conduction of which materials?

66. How many types of cells are found in xylem and phloem?

67. What type of cells is permanent tissue made of?

68. Which one is not part of xylem tissue?

69. Water absorption is hindered in permanent tissues when:

70. Which part of xylem tissue absorbs water and minerals from the soil?

71. Which type of xylem tissue is made of living cells?

72. Which phloem element is composed of living cells?

73. Which part of phloem stores and transports food?

74. Which part of phloem helps in conduction of food?

75. Which part of phloem gives mechanical support?

76. Which phloem type is absent in most monocots?

77. Which of these is not a function of phloem?

78. What is the main function of phloem?

79. Plants wilt due to:

80. Which Indian scientist discovered the function of phloem in food transport?

81. Which type of tissue protects the body from external injuries?

82. Which tissue helps in healing wounds?

83. Which tissue is found in the skin, mouth, and esophagus?

84. Which tissue helps in diffusion, secretion, and absorption?

85. Which cells secrete mucus?

86. In which epithelial cells are microvilli and cilia found?

87. Consider the following statements:
1. Number of cells in epithelial tissue is high; intercellular space is less.
2. In connective tissue, intercellular space is high; cells are loosely packed.
Which statements are true?

88. What is the main function of squamous epithelium?

89. Where is ciliated epithelium found?

90. Which tissue connects bones to muscles and provides flexibility?

91. Movement depends most on which tissue?

92. Which tissue controls all activities of the body?

93. What kind of tissue is blood?

94. In connective tissue, which cells help in immunity and fight diseases?

95. Adipose tissue is a type of:

96. Which is not a connective tissue?

97. Which is not a muscular tissue?

98. Which tissue helps store fat in the body?

99. Where are white and yellow fibers found?

101. What is ligament made of?

100. Where is collagen protein found?

102. Ligaments are made of –

103. Tendons and ligaments are made of which tissue?

104. Consider the following statements:
1. Tendons attach muscles to bones.
2. Ligaments connect bones to bones.
Which is/are correct?

105. Where is stratified epithelium found?

106. Which cells secrete mucus?

107. In which tissues are tendons, blood, and bones found?

108. Where are osteoblast cells found?

109. Where are osteocytes found?

110. Where are mast cells found?

111. In areolar tissue, which cells help in engulfing foreign substances?

112. Which connective tissue is found in absorption and conduction?

113. Which part of the human body has the thickest skin?

114. Which part of the human body has the thinnest skin?

115. Why does skin wrinkle with age?

116. Umbilical cord contains –

117. Which is the protein that helps in movement?

118. Which is the part of the body involved in blood formation?

119. Collagen protein makes up what proportion of body protein?

120. Protein found in connective tissue is –

121. Which cells are found in cartilage?

122. Which tissue helps in movement of organs and limbs?

123. Where is the substance called Sarcoplasm found?

124. Adipose and reticular tissues are primarily which type of tissue?

125. Which muscle tissue is found in the iris of the eye?

126. Where are intercalated discs found?

127. Which type of muscle tissue is uni-nucleated (has one nucleus)?

128. What causes food to move in one direction in the alimentary canal?

129. In which tissue is the structure called Myofibril found?

130. Which type of muscle tissue does not tire easily?

131. Which tissue makes up about 50% of body weight?

132. Which tissue controls the activity of body organs?

133. Unit of nervous tissue is –

134. What are the longest cells in the human body?

136. What are the fine, hair-like projections from neurons called?

135. After birth, which tissue in humans does not undergo cell division?

137. Where are the Nodes of Ranvier found?

138. What connects two neurons?

139. In neurons, what conducts sensory and motor signals?

140. What is a Biopsy?