Plant anatomy - internal structure of dicot and monocot stems roots and leaves - One Line Questions

1. In a monocot root, the number of xylem bundles typically ranges from: — More than 6
2. In a dicot stem, vascular bundles are arranged in: — A ring
3. The primary function of root hairs is to: — Absorb water and minerals
4. In dicot stems, secondary growth is facilitated by the activity of: — Vascular cambium and cork cambium
5. In a monocot leaf, the vascular bundles are: — Arranged in a parallel venation pattern
6. The primary function of the cortex in plant stems and roots is: — Storage of food
7. The primary function of the phloem tissue is: — Conduction of organic solutes (sugars)
8. In a monocot stem, the vascular bundles are: — Conjoint, collateral, and closed
9. The tissue layer that lies immediately inside the endodermis in a root is the: — Pericycle
10. The outermost layer of cells in a young dicot stem is the: — Epidermis
11. The tissue that forms the central core of a dicot stem is called the: — Pith
12. Which tissue provides a continuous layer of protection on the outer surface of young stems and leaves? — Epidermis
13. What is the outermost layer of cells in a plant root called? — Epidermis
14. The protoxylem points towards the periphery in the vascular bundles of a: — Dicot stem
15. Which plant part typically shows a well-developed pith? — Dicot stem
16. The presence of sclerenchyma as hypodermis is a characteristic feature of: — Monocot stem
17. The presence of a distinct cortex and endodermis is characteristic of: — Dicot roots
18. The radial arrangement of xylem and phloem bundles is characteristic of: — Dicot roots
19. In a typical dicot root, the xylem is: — Exarch (protoxylem towards center)
20. Which layer of the stem epidermis in some plants contains a waxy layer called the cuticle? — Epidermis
21. Which layer in the dicot root is responsible for forming lateral roots? — Pericycle
22. Which type of cells primarily make up the mesophyll of a dicot leaf? — Parenchyma cells
23. The stomatal apparatus consists of: — Guard cells and stomatal pore
24. Root pressure is generated by the active movement of ions into the stele, which causes water to follow by osmosis. This process is primarily influenced by the: — Endodermis
25. In dicot leaves, the vascular bundles are embedded within: — Mesophyll
26. The vascular cambium in dicot stems is typically located between: — Xylem and phloem
27. What are the two types of tissues that make up the vascular bundle in plants? — Xylem and Phloem
28. The presence of a Casparian strip is characteristic of which plant tissue? — Endodermis of root
29. The function of the cuticle on the epidermis of leaves and stems is to: — Reduce water loss
30. The vascular bundles in a monocot root are typically: — Few in number and arranged in a ring
31. The bundle sheath cells in monocot leaves are responsible for: — Conduction of water and minerals
32. The epidermal tissue system in plants is derived from: — Protoderm
33. The cells forming the endodermis in a root are characterized by the presence of: — Suberized cell walls with Casparian strips
34. The palisade mesophyll cells in dicot leaves are typically arranged: — Tightly packed, elongated, and parallel to each other
35. The tissue between the xylem and phloem in a dicot stem, which can form vascular cambium, is called: — Interfascicular cambium
36. In a monocot stem, vascular bundles are typically: — Closed, without cambium
37. In dicot leaves, the vascular bundles (veins) are surrounded by: — Bundle sheath cells
38. What is the characteristic venation pattern of dicot leaves? — Reticulate venation
39. The tissue responsible for secondary growth (increase in girth) in dicot stems and roots is: — Vascular cambium
40. What is the term for the specialized epidermal cells that surround and control the opening and closing of stomata? — Guard cells
41. The hypodermis in a dicot stem is typically composed of: — Collenchyma cells
42. Which tissue is primarily responsible for the conduction of water and minerals from the roots to the leaves in plants? — Xylem
43. What is the function of the pith in a monocot stem? — Storage of food reserves
44. In dicot stems, the vascular bundles are separated by: — Medullary rays
45. Which of the following is a characteristic of the epidermis in monocot stems? — Presence of stomata on both surfaces
46. The cells of the pith in a monocot stem are usually: — Thin-walled and parenchymatous
47. In dicot leaves, the spongy mesophyll is located: — Towards the lower epidermis
48. Which of the following is absent in monocot stems? — Secondary growth
49. The primary function of the stomata in a leaf is: — Gas exchange
50. The central region of a monocot root, if present, is generally: — Reduced or absent
All One Line Questions
E-Book Plant anatomy - internal structure of dicot and monocot stems roots and leaves Online Test Plant anatomy - internal structure of dicot and monocot stems roots and leaves Question Bank Plant anatomy - internal structure of dicot and monocot stems roots and leaves