Plant Tissues - Comprehensive Question Paper

Instructions

• This question paper contains 275 questions in total
• Attempt all questions as per the marking scheme
• Write clear and concise answers

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Section A: Multiple Choice Questions (100 Questions - 1 Mark Each)

Choose the correct answer:

1. A tissue is defined as: a) A single cell performing a function b) A group of similar cells working together c) Different types of cells randomly arranged d) Only dividing cells

2. Plant tissues are broadly classified into how many main categories? a) One b) Two c) Three d) Four

3. Meristematic tissues are characterized by: a) Large cells with thick walls b) Small, actively dividing cells c) Dead cells with lignified walls d) Cells with large vacuoles

4. The shape of meristematic cells is: a) Elongated b) Irregular c) Isodiametric d) Cylindrical

5. Intercellular spaces in meristematic tissues are: a) Large b) Medium c) Absent d) Variable

6. The nucleus in meristematic cells is: a) Small b) Large c) Absent d) Multiple

7. Cell walls in meristematic tissues are: a) Thick b) Thin c) Absent d) Lignified

8. Meristematic tissues are found in: a) Growing regions only b) All parts of plant c) Only roots d) Only stems

9. Apical meristem is responsible for: a) Increase in girth b) Increase in length c) Food storage d) Water transport

10. Lateral meristem causes: a) Increase in length b) Increase in girth c) Food production d) Water absorption

11. Permanent tissues are characterized by: a) Actively dividing cells b) Cells that have lost ability to divide c) Only young cells d) Only reproductive cells

12. Simple permanent tissues are made up of: a) One type of cell b) Two types of cells c) Multiple types of cells d) Only dead cells

13. Complex permanent tissues consist of: a) One type of cell b) More than one type of cell c) Only living cells d) Only dead cells

14. Parenchyma cells have: a) Thick walls b) Thin walls c) No walls d) Lignified walls

15. The shape of parenchyma cells is: a) Elongated b) Isodiametric c) Cylindrical d) Irregular

16. Central vacuoles in parenchyma are: a) Small b) Large c) Absent d) Medium

17. Parenchyma is found in: a) Cortex only b) Pith only c) Cortex, pith, and mesophyll d) Only leaves

18. Chlorenchyma is a type of: a) Collenchyma b) Sclerenchyma c) Parenchyma d) Meristematic tissue

19. The main function of chlorenchyma is: a) Support b) Storage c) Photosynthesis d) Transport

20. Collenchyma cells are: a) Isodiametric b) Elongated c) Spherical d) Irregular

21. Cell wall thickening in collenchyma is: a) Uniform b) Uneven, especially at corners c) Only at ends d) Absent

22. Collenchyma is found: a) In leaf stalks b) Below epidermis of young stems c) Both a and b d) Only in roots

23. The main function of collenchyma is: a) Storage b) Photosynthesis c) Mechanical support and flexibility d) Transport

24. Sclerenchyma cells are: a) Living b) Dead c) Sometimes living, sometimes dead d) Only in young stage

25. Sclerenchyma cells have: a) Thin walls b) Thick, lignified walls c) No walls d) Flexible walls

26. The shape of sclerenchyma cells is: a) Short and broad b) Long and narrow c) Spherical d) Irregular

27. Sclerenchyma is found in: a) Stems only b) Around vascular bundles c) Veins of leaves d) All of the above

28. The main function of sclerenchyma is: a) Flexibility b) Storage c) Mechanical strength and rigidity d) Photosynthesis

29. Xylem is responsible for transport of: a) Food b) Water and minerals c) Gases d) Hormones

30. Phloem transports: a) Water b) Minerals c) Food (sugars) d) Gases

31. Transport in xylem occurs from: a) Leaves to roots b) Roots to other parts c) Stems to leaves d) Randomly

32. Transport in phloem occurs from: a) Roots to leaves b) Leaves to other parts c) Stems to roots d) In all directions

33. Xylem and phloem are examples of: a) Simple permanent tissues b) Complex permanent tissues c) Meristematic tissues d) Temporary tissues

34. Intercalary meristem is found in: a) Root tips b) Shoot tips c) Base of leaves and internodes d) Cambium

35. Turgidity in plants is mainly provided by: a) Collenchyma b) Sclerenchyma c) Parenchyma d) Xylem

36. Food storage in plants is mainly done by: a) Collenchyma b) Sclerenchyma c) Parenchyma d) Phloem

37. Lignin is mainly found in: a) Parenchyma b) Collenchyma c) Sclerenchyma d) Meristematic tissue

38. Which tissue provides flexibility to young stems? a) Parenchyma b) Collenchyma c) Sclerenchyma d) Xylem

39. The epidermis of young stems has which tissue below it? a) Parenchyma b) Collenchyma c) Sclerenchyma d) Xylem

40. Hard coverings of seeds and nuts contain: a) Parenchyma b) Collenchyma c) Sclerenchyma d) Phloem

41. Dense cytoplasm is characteristic of: a) Parenchyma b) Collenchyma c) Sclerenchyma d) Meristematic tissue

42. Which tissue has cells without intercellular spaces? a) Parenchyma b) Collenchyma c) Sclerenchyma d) Meristematic tissue

43. Growth in length of plant is due to: a) Lateral meristem b) Apical meristem c) Intercalary meristem d) Both b and c

44. Growth in girth of plant is due to: a) Apical meristem b) Lateral meristem c) Intercalary meristem d) All meristems

45. Cambium is an example of: a) Apical meristem b) Lateral meristem c) Intercalary meristem d) Permanent tissue

46. Mesophyll is found in: a) Stems b) Roots c) Leaves d) Flowers

47. Cortex is located in: a) Center of stem b) Outer region of stem c) Only in roots d) Only in leaves

48. Pith is found in: a) Center of stem b) Outer region of stem c) Only in leaves d) Only in roots

49. Which tissue is responsible for photosynthesis in leaves? a) Epidermis b) Collenchyma c) Chlorenchyma d) Sclerenchyma

50. Petioles contain which supporting tissue? a) Parenchyma b) Collenchyma c) Sclerenchyma d) Xylem

51. Vascular bundles are surrounded by: a) Parenchyma b) Collenchyma c) Sclerenchyma d) Epidermis

52. Which cells have the thickest walls? a) Parenchyma b) Collenchyma c) Sclerenchyma d) Meristematic

53. Isodiametric means: a) Equal diameter in all directions b) Elongated shape c) Irregular shape d) Cylindrical shape

54. Lignification occurs in: a) Parenchyma b) Collenchyma c) Sclerenchyma d) Meristematic tissue

55. Which tissue provides the least mechanical support? a) Parenchyma b) Collenchyma c) Sclerenchyma d) All provide equal support

56. Root tips contain: a) Lateral meristem b) Apical meristem c) Intercalary meristem d) No meristem

57. Shoot tips contain: a) Lateral meristem b) Apical meristem c) Intercalary meristem d) Permanent tissue

58. Which tissue is found in veins of leaves? a) Parenchyma only b) Collenchyma only c) Sclerenchyma d) All three

59. Food conduction in plants occurs through: a) Xylem b) Phloem c) Parenchyma d) Collenchyma

60. Water conduction in plants occurs through: a) Xylem b) Phloem c) Parenchyma d) Sclerenchyma

61. Which tissue has corner thickening? a) Parenchyma b) Collenchyma c) Sclerenchyma d) Meristematic

62. Which tissue provides rigidity to plant parts? a) Parenchyma b) Collenchyma c) Sclerenchyma d) Phloem

63. Growing regions of plants contain: a) Permanent tissues b) Meristematic tissues c) Dead tissues d) Storage tissues

64. Cells that have lost ability to divide are found in: a) Meristematic tissue b) Permanent tissue c) Growing tissue d) Young tissue

65. Which tissue has large intercellular spaces? a) Meristematic b) Parenchyma c) Collenchyma d) Sclerenchyma

66. Compactly arranged cells are found in: a) Parenchyma b) Collenchyma c) Sclerenchyma d) Meristematic tissue

67. Which tissue stores food materials? a) Collenchyma b) Sclerenchyma c) Parenchyma d) Xylem

68. Flexibility to plant parts is provided by: a) Parenchyma b) Collenchyma c) Sclerenchyma d) Xylem

69. Mechanical strength is provided by: a) Parenchyma b) Collenchyma c) Sclerenchyma d) Phloem

70. Which tissue has uniform cell wall thickness? a) Parenchyma b) Collenchyma c) Sclerenchyma d) Both a and c

71. Uneven cell wall thickening is found in: a) Parenchyma b) Collenchyma c) Sclerenchyma d) Meristematic tissue

72. Dead cells at maturity are found in: a) Parenchyma b) Collenchyma c) Sclerenchyma d) Meristematic tissue

73. Living cells at maturity are found in: a) Parenchyma and Collenchyma b) Sclerenchyma c) Only Parenchyma d) Only Collenchyma

74. Which tissue is involved in photosynthesis? a) All parenchyma b) Chlorenchyma c) Collenchyma d) Sclerenchyma

75. Transportation tissues are: a) Simple permanent tissues b) Complex permanent tissues c) Meristematic tissues d) Storage tissues

76. Supporting tissues include: a) Collenchyma and Sclerenchyma b) Parenchyma and Xylem c) Phloem and Collenchyma d) Only Sclerenchyma

77. Storage tissues include: a) Parenchyma b) Collenchyma c) Sclerenchyma d) Xylem

78. Growth tissues are: a) Permanent tissues b) Meristematic tissues c) Complex tissues d) Simple tissues

79. Which has the largest nucleus relative to cell size? a) Parenchyma b) Collenchyma c) Sclerenchyma d) Meristematic tissue

80. Primary growth occurs due to: a) Lateral meristem b) Apical meristem c) Both d) Neither

81. Secondary growth occurs due to: a) Apical meristem b) Lateral meristem c) Intercalary meristem d) All meristems

82. Which tissue provides turgidity? a) Sclerenchyma b) Collenchyma c) Parenchyma d) Xylem

83. Leaf stalks are supported by: a) Parenchyma b) Collenchyma c) Sclerenchyma d) Xylem

84. Young stems have which tissue below epidermis? a) Parenchyma b) Collenchyma c) Sclerenchyma d) Phloem

85. Minerals are transported by: a) Phloem b) Xylem c) Parenchyma d) Collenchyma

86. Sugars are transported by: a) Xylem b) Phloem c) Sclerenchyma d) Parenchyma

87. Which tissue has cells with corners thickened? a) Parenchyma b) Collenchyma c) Sclerenchyma d) Xylem

88. Which tissue provides the most rigid support? a) Parenchyma b) Collenchyma c) Sclerenchyma d) Phloem

89. Intercellular spaces help in: a) Support b) Storage c) Gas exchange d) Transport

90. Dense cytoplasm indicates: a) High metabolic activity b) Low metabolic activity c) Dead cells d) Storage function

91. Thin cell walls indicate: a) Structural support b) Active metabolism c) Dead cells d) Rigid support

92. Thick cell walls provide: a) Flexibility b) Support and protection c) Storage space d) Transport pathway

93. Large vacuoles are important for: a) Support through turgor pressure b) Storage c) Both a and b d) Transport

94. Lignin deposition makes cells: a) Flexible b) Rigid and strong c) Permeable d) Metabolically active

95. Growing tips of roots and shoots contain: a) Old cells b) Meristematic cells c) Dead cells d) Storage cells

96. Permanent tissues are derived from: a) Other permanent tissues b) Meristematic tissues c) Dead tissues d) Storage tissues

97. Cell division is maximum in: a) Permanent tissues b) Meristematic tissues c) Complex tissues d) Simple tissues

98. Differentiation leads to formation of: a) Meristematic tissues b) Permanent tissues c) Growing tissues d) Dividing tissues

99. Which tissue combination forms vascular bundles? a) Parenchyma and Collenchyma b) Xylem and Phloem c) Collenchyma and Sclerenchyma d) Parenchyma and Sclerenchyma

100. The main axis of classification of plant tissues is based on: a) Location b) Function c) Ability to divide d) Cell wall thickness

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Section B: Short Answer Questions (100 Questions - 1 Mark Each)

1. Define tissue.

2. Name the two main types of plant tissues.

3. What are meristematic tissues?

4. List three characteristics of meristematic cells.

5. Where are meristematic tissues located?

6. What is the function of meristematic tissues?

7. Name three types of meristems based on location.

8. What are permanent tissues?

9. How are permanent tissues classified?

10. What are simple permanent tissues?

11. Name three types of simple permanent tissues.

12. What are complex permanent tissues?

13. Name two types of complex permanent tissues.

14. Describe the structure of parenchyma cells.

15. Where is parenchyma found?

16. List two functions of parenchyma.

17. What is chlorenchyma?

18. What is the main function of chlorenchyma?

19. Describe the structure of collenchyma cells.

20. Where is collenchyma located?

21. What is the function of collenchyma?

22. Describe the structure of sclerenchyma cells.

23. Where is sclerenchyma found?

24. What is the main function of sclerenchyma?

25. Are sclerenchyma cells living or dead?

26. What is the function of xylem?

27. What is the function of phloem?

28. What does xylem transport?

29. What does phloem transport?

30. From where to where does xylem transport materials?

31. From where to where does phloem transport materials?

32. What is apical meristem?

33. What is lateral meristem?

34. What is intercalary meristem?

35. Give an example of lateral meristem.

36. What type of growth is caused by apical meristem?

37. What type of growth is caused by lateral meristem?

38. What is meant by isodiametric cells?

39. Why do meristematic cells have thin walls?

40. Why do meristematic cells have large nuclei?

41. What provides turgidity to plants?

42. What is lignin?

43. Which tissue is lignified?

44. What does lignification provide to cells?

45. Name the tissue found in leaf stalks.

46. Name the tissue found below epidermis of young stems.

47. What type of thickening is found in collenchyma?

48. Where are intercellular spaces maximum?

49. Which tissue has no intercellular spaces?

50. What is the shape of sclerenchyma cells?

51. What is cortex?

52. What is pith?

53. What is mesophyll?

54. Where is cortex located?

55. Where is pith located?

56. Where is mesophyll located?

57. What surrounds vascular bundles?

58. Name the tissue in veins of leaves.

59. What makes seed and nut coverings hard?

60. Which tissue provides flexibility?

61. Which tissue provides rigidity?

62. Which tissue stores food?

63. Which tissue performs photosynthesis?

64. What are vascular bundles?

65. What makes up vascular bundles?

66. Why are meristematic cells small?

67. Why do parenchyma cells have large vacuoles?

68. What is the difference between primary and secondary growth?

69. Which meristem causes primary growth?

70. Which meristem causes secondary growth?

71. What is cambium?

72. Why are sclerenchyma cells dead?

73. How do collenchyma cells provide support?

74. What is the role of intercellular spaces?

75. Why is dense cytoplasm important in meristematic cells?

76. What happens when meristematic cells differentiate?

77. Can permanent tissue cells divide?

78. What is cell differentiation?

79. How do plants grow in length?

80. How do plants grow in thickness?

81. What is the importance of cell walls in plants?

82. Why do different tissues have different cell wall thickness?

83. What is the relationship between structure and function in tissues?

84. How does parenchyma help in storage?

85. How does collenchyma provide flexibility?

86. How does sclerenchyma provide strength?

87. Why is xylem important for plants?

88. Why is phloem important for plants?

89. What would happen if meristematic tissues were absent?

90. What would happen if supporting tissues were absent?

91. What would happen if transport tissues were absent?

92. How are tissues organized in plants?

93. What is tissue system?

94. How do meristematic tissues become permanent tissues?

95. What triggers differentiation in plant cells?

96. Why do plants need different types of tissues?

97. How do tissues work together in plants?

98. What is the evolutionary advantage of tissue differentiation?

99. How do environmental factors affect tissue development?

100. What is the significance of tissue specialization?

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Section C: Medium Answer Questions (50 Questions - 2 Marks Each)

1. Explain the definition of tissue and its importance in multicellular organisms.

2. Describe the main classification of plant tissues with examples.

3. Compare meristematic tissues and permanent tissues in terms of structure and function.

4. Explain the characteristics of meristematic tissues and their significance.

5. Describe the location and function of apical meristem.

6. Explain the role of lateral meristem in plant growth.

7. What is intercalary meristem? Explain its location and function.

8. Distinguish between simple and complex permanent tissues.

9. Describe the structure and functions of parenchyma tissue.

10. Explain chlorenchyma and its role in plants.

11. Describe the structure and functions of collenchyma tissue.

12. Explain how collenchyma provides mechanical support to plants.

13. Describe the structure and functions of sclerenchyma tissue.

14. Compare collenchyma and sclerenchyma in terms of structure and function.

15. Explain why sclerenchyma cells are dead at maturity.

16. Describe the structure and function of xylem tissue.

17. Describe the structure and function of phloem tissue.

18. Compare xylem and phloem in terms of function and transport direction.

19. Explain the importance of vascular tissues in plants.

20. Describe how different tissues contribute to plant support.

21. Explain the relationship between cell structure and tissue function.

22. Compare the cell wall characteristics of different plant tissues.

23. Describe the distribution of different tissues in a young stem.

24. Explain the role of intercellular spaces in different tissues.

25. Describe how lignification affects cell properties.

26. Explain the importance of cell division in plant growth.

27. Describe the process of tissue differentiation in plants.

28. Compare primary and secondary growth in plants.

29. Explain how meristematic activity leads to plant growth.

30. Describe the adaptation of different tissues to their functions.

31. Explain the significance of tissue organization in plants.

32. Compare living and dead tissues in plants.

33. Describe the role of vacuoles in different plant tissues.

34. Explain how plants achieve both support and flexibility.

35. Describe the importance of storage tissues in plants.

36. Explain the coordination between different tissue systems.

37. Describe how environmental factors influence tissue development.

38. Explain the evolutionary significance of tissue specialization.

39. Compare the metabolic activities of different tissues.

40. Describe the role of nucleus in different tissue types.

41. Explain how cell shape relates to tissue function.

42. Describe the importance of cell wall modifications in tissues.

43. Explain the concept of tissue complementarity in plants.

44. Describe how tissues are integrated to form organs.

45. Explain the role of meristematic tissues in plant regeneration.

46. Describe the economic importance of different plant tissues.

47. Explain how tissue structure reflects evolutionary adaptations.

48. Describe the role of tissues in plant defense mechanisms.

49. Explain the relationship between tissue development and plant hormones.

50. Describe how understanding plant tissues helps in agriculture.

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Section D: Broad Answer Questions (25 Questions - 3 Marks Each)

1. Describe the complete classification of plant tissues with detailed characteristics and examples of each type.

2. Explain the structure, location, and functions of meristematic tissues. Discuss their role in plant development.

3. Compare and contrast the three types of simple permanent tissues - parenchyma, collenchyma, and sclerenchyma.

4. Describe the complex permanent tissues in detail, explaining their structure, function, and importance in plant survival.

5. Explain how the structure of different plant tissues is adapted to their specific functions. Provide examples.

6. Discuss the role of meristematic tissues in plant growth and development. Explain primary and secondary growth.

7. Describe the various supporting tissues in plants and explain how they provide mechanical support.

8. Explain the transport system in plants, describing the structure and function of conducting tissues.

9. Discuss the importance of tissue specialization in plants and how it contributes to plant efficiency.

10. Explain the process of tissue differentiation in plants and the factors that control it.

11. Describe how different tissues work together to form a functional plant body.

12. Explain the relationship between cell structure, tissue organization, and plant function.

13. Discuss the evolutionary significance of tissue development in plants and its advantages.

14. Describe the role of cell walls in different plant tissues and their modifications.

15. Explain how plants balance the need for support and flexibility through different tissue types.

16. Describe the importance of storage and photosynthetic tissues in plant metabolism.

17. Explain how the location of different tissues in plant organs relates to their functions.

18. Discuss the role of intercellular spaces in plant tissues and their functional significance.

19. Explain how understanding plant tissue structure helps in plant breeding and agriculture.

20. Describe the adaptations of plant tissues to environmental conditions.

21. Explain the concept of tissue systems and how they are organized in plants.

22. Discuss the importance of living versus dead cells in different plant tissues.

23. Explain how plant tissues respond to injury and the role of meristematic tissues in healing.

24. Describe the relationship between plant tissue structure and their economic uses.

25. Explain how the study of plant tissues contributes to our understanding of plant biology and biotechnology.

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