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- The waxy layer that covers aerial parts of plants is the (a) cuticle (b) archegonium (c) protonema (d) stoma (e) thallusA waxy cuticle helps land plants ___ . a. oonserve water b. take up carbon dioxide c. reproduce d. stand uprightTracheids, vessel elements, sieve-tube cells, and companion cells are components of.______ vascular tissue meristematic tissue ground tissue dermal tissue
- 2. Distinguish the root from other plant organs. 3. Explain the difference between monocot and dicot roots. 4. State the functions of roots. Are these functions different from the others? 5. What are the advantages of a tap root or a fibrous/an adventitious root to a plant? 6. How does the root's capacity to store photosynthate contribute to water absorption? 7. What do the cohesive properties of water have to do with water reaching the leaves in a tall tree?5. Give three economic uses of dicot stems with specific plant example. 6. Distinguish among procambium, vascular cambium, and cork cambium.10. Modified true or false: Write T if the statement is true; if false, write F, underline the word that makes the statement false and give the correct answer. a. Collenchyma cells give a cell the extra assistance it needs to grow in empty regions like shoots and leaves. b. The cell membrane provides energy for the cell. c. If you looked at the papaya tree's stem and root cross-section through the microscope, the phloem and xylem would be visible in a scattered and circular manner, respectively. d. Plant cells always appear in black and white. e. Sugarcane's stem, a monocot plant, is being observed under the microscope, the presence of pith is noticeable.
- 26. these are found in almost all types of vascular plantsa. sieve tubesb. vessel elementsc. all of the aboved. tracheids27. these are thin walled cells found elsewhere in the roots or stems of plants,a. sieve cellsb. companion cellsc. parenchymatous cells28. what projections develop from the epidermal cells in the region of elongation?a. contractile rootsb. root hairsc. storage rootsd. prop roots29. what cells conduct organic compounds that are arranged end to end with pores? a. epidermal cellsb. companion cellsc. rhizoderm cellsd. sieve cells30. these tissues originate from root cortexa. velamenb. rhizodermc. root haird. collenchyma THANK YOU1) Compare the use of leaf sheath to the petiole of the dicot leaf. 2) What are ligules? Are they found in the dicot plant leaves only? 3) Name some important characteristics of a monocot plant. 4) Are the monocot and dicot plants higher plants? Why?11.Which is considered as the plant's first line of defense against physical damage?Read and analyze the question and choices CAREFULLY; more importantly, ALWAYS CHOOSE the BEST answer. Meristematic tissues Ground tissues Vascular tissues Epidermal/dermal tissues
- 1. Compare the cells found on the different regions of the root. 2. Where do branch roots originate? 3. What is the significance of the pericycle? 4. How would you differentiate a monocot root from a dicot root? 5. Why are monocot roots slender and diffuse in appearance? 6. How do endodermal cells differ from other types of cells?7. A nail driven into the side of a tree will remain at exactly the same distance from the ground for the entire life of the tree. Why would the nail not change its position? 8. What are the differences between heartwood and sapwood?1. How do roots take in water and minerals? 2. How do roots develop from seeds? 3. Which type of root system is better adapted for absorption and prevention of soil erosion? Explain 4. Which type of root system is better adapted for penetration to deeper sources of soil water? Explain 5. Explain why bare rooted nursery plant do not die? 6. What type of roots would form a "sod" or turf?