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Anatomy

Plant Tissues Practice Questions

40 free Plant Tissues practice questions for the Botany, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Plant Tissues questions

40 questions
  1. Q1. Which type of plant tissue is composed of actively dividing cells and is responsible for the primary growth of the plant?
  2. Q2. The increase in the girth (diameter) of a plant stem is primarily due to the activity of which tissue?
  3. Q3. Which simple permanent tissue is characterized by thin cell walls and large vacuoles, and is primarily involved in photosynthesis and food storage?
  4. Q4. Which of the following tissues provides mechanical support and flexibility to young, growing plant organs like petioles?
  5. Q5. What is the primary characteristic of sclerenchyma tissue that distinguishes it from parenchyma and collenchyma?
  6. Q6. Which component of the xylem is responsible for the upward conduction of water and minerals in angiosperms?
  7. Q7. Sieve tubes and companion cells are the functional units of which complex tissue?
  8. Q8. The protective outer layer of a plant, which prevents water loss and provides a barrier against pathogens, is called the:
  9. Q9. Which specialized epidermal cells regulate the opening and closing of stomata for gas exchange?
  10. Q10. Which of the following is a type of sclerenchyma that is commonly found in the gritty texture of pear fruit?
  11. Q11. In aquatic plants, a specialized parenchyma with large air cavities that provide buoyancy is known as:
  12. Q12. Which tissue in the root is responsible for regulating the flow of water and minerals into the vascular cylinder via the Casparian strip?
  13. Q13. Which of the following xylem elements is considered the only living component of the xylem tissue?
  14. Q14. The 'wood' of a tree is scientifically referred to as:
  15. Q15. Which meristematic tissue is found at the base of leaves or internodes in monocots like grasses, allowing them to regrow after being grazed?
  16. Q16. What is the primary role of the 'pericycle' tissue in plant roots?
  17. Q17. Which part of the phloem is unique for having no nucleus at maturity but remains metabolically active?
  18. Q18. The waxy substance 'suberin' is a major component of which plant tissue?
  19. Q19. Trichomes are hair-like outgrowths of which tissue system?
  20. Q20. Pith and cortex are parts of which tissue system in a plant?
  21. Q21. Which of the following is the primary meristem that gives rise to the vascular tissues, xylem and phloem?
  22. Q22. The 'Kranz anatomy' is a specialized arrangement of tissues found in the leaves of:
  23. Q23. Which of the following tissues is characterized by highly thickened corners of cellulose and pectin, providing tensile strength?
  24. Q24. The 'Exodermis' is a specialized outer layer of the cortex found in the roots of many plants; it is functionally similar to the:
  25. Q25. What is the name of the lateral meristem that produces the secondary phloem and secondary xylem?
  26. Q26. Which of the following cells are associated with sieve tubes in angiosperms to help in the pressure-flow mechanism?
  27. Q27. The presence of 'Lenticels' in the bark of woody stems primarily facilitates:
  28. Q28. Which specific tissue is responsible for the formation of lateral roots in dicot plants?
  29. Q29. In a dorsiventral leaf, the tissue located between the upper epidermis and the vascular bundles is called:
  30. Q30. What is the function of 'Hydathodes' in plants?
  31. Q31. The 'Phelloderm' is a tissue produced by the activity of the Phellogen toward the:
  32. Q32. Which of the following is a non-living cell at maturity that functions in providing extreme mechanical rigidity?
  33. Q33. The 'Heartwood' of a tree differs from 'Sapwood' because heartwood is:
  34. Q34. In monocot stems, the vascular bundles are described as 'closed' because they lack:
  35. Q35. Which tissue system includes the stomata and epidermal hairs?
  36. Q36. The 'Mesophyll' of a leaf is primarily composed of which type of tissue?
  37. Q37. Which of the following terms describes a vascular bundle where phloem surrounds the xylem?
  38. Q38. The tissue that remains 'quiescent' or inactive in the root apex unless damage occurs is the:
  39. Q39. What is the primary substance that makes 'cork' cells impermeable to water?
  40. Q40. Which of the following is an example of a secretory tissue in plants?