anatomy of leave is tht 20, One important difference betwoon the anatomy of root
ID: 277946 • Letter: A
Question
anatomy of leave is tht 20, One important difference betwoon the anatomy of roots and the A) leaves have epidermal tissue bat roots do not. C) a wasy cuticle covers leaves but is absent from roots D) vascular tissue is found in roots but is absent from leaves except 2t. All of the following cell sypes are corectly matchel with their fnctions A) mesophyll-photosynthesis B) guard cell-regulation of transpiration C) sieve-tube member-translocation. D) companion cel-formation of secondary xylem and phloem ich oel aze no longer capuble of carmying out the process of DNA traneriptio? A) tracheids B) mature mesophyll cells C) companion cells D) meristomatic cells 23 Which of the following have unevenly thickened primary walls that support young.growing parts of the plant? A) parenchyma cells B) collenchyma cells C) sclerenchyma cells D) tracheids and vessel elements 24. Geoge Washington completely removed the bark from around a cherry tree but was stopped by his father before cutting the tree down. It was noticed that the leaves retained their normal appearance for several wocks, but that the tree eventually died The tissueis) that George left functional was (were) the a. phloem b, xylem c. cork cambium d. companion and sieve tube cells 25, Which of the following is least related to the others? a. sieve tube member b. pressure flow hypothesis C. d. companion cell phloem 26.Cork cambiam is to cork cells as a hemoglobin is to okyo h, vascular cambium is to tracheids or sieve tuhe elemen c pericycle is to bark d. apical moristem is to secondary phloemExplanation / Answer
20. Answer: C. A waxy cuticle covers leaves but is absent from roots
21. Answer: D. companion cell-formation of secondary xylem and phloem. (companion cell a component of phloem)
22. Answer: A. Tracheids (all other type cells are living cell so are capable of replication of DNA)
23. Answer: B. Collenchyma Cells (living glue forming cells, provide mechanical support, pectin is deposited corner of the cell wall)
24. Answer: B. Xylem (he removed phloem, so food couldn't be conducted to the root, after some weeks the root dies, but the leaves were remain alive as Xylem was not removed. )
25. Answer: C. Cohesion-tension theory (this is the hypothesis of conduction of water in Xylem)
26. Answer: B. vascular cambium is to tracheids or sieve tube (metaxylem and meta phloem is produced by intrafascicular vascular cambium)
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.