Answer the following questions 29.1. Explain the term venation and give examples with the use of appropriate diagrams 29.2. Below mentioned are metamorphic stems, give function and an example of each 1. Storage organs 2 Stem tendrils (run or climb) 3.Stems adapted for water storage 4 Stems with functions of eaves 5 Stems specialized for protection

Answer the following questions 29.1. Explain the term venation and give examples with the use of appropriate diagrams 29.2. Below mentioned are metamorphic stems, give function and an example of each 1. Storage organs 2 Stem tendrils (run or climb) 3.Stems adapted for water storage 4 Stems with functions of eaves 5 Stems specialized for protection

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter28: Plant Nutrition And Transport

Section: Chapter Questions

Problem 15SQ

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Answer the following questions about the lateral meristem and secondary growth in plants 1. The two conducting tissues comprising the secondary phloem in the gymnosperms.2.The conducting tissue of the secondary xylem in dicots.3.This kind of wood lack tracheids and are purely vessel elements.
2. Name 2 examples of adaptative variations of aerial stems and give their functions
PLEASE ANSWER THE 2 QUESTIONS BELOW: 1. In the vascular bundle of the Ranunculus stem cross section, is the xylem closer to the epidermis or pith? Which vascular tissue has larger diameter? Which tissue has thicker walls and which tissue provides greater support? 2. Enumerate and describe five different plant species with stems that are modified for asexual reproduction.
Instruction: Write TRUE or FALSE. 1. The lateral transport of water from a tracheary element to adjacent parenchyma cells are facilitated by perforation plates. 2. Some collenchyma cells are characterized by primary cell wall thickenings at the corners of the cell. 3. Nectaries have abundant phloem tissues. 4. Collenchyma cells near sieve tube element functions in the loading and unloading of sugars. 5. Sclerenchyma cells have thick primary cell walls. 6. The cell membrane regulates traffic of substances between the interior and exterior parts of the cell. 7. Hydathodes are associated with phloem tissues. 8. In the potato tuber section, the starch storing tissue are compose of parenchyma cells. 9. The chromosomes are always visible with the light (compound) microscope during the entire life cycle of the cell. 10. The cell wall is visibly seen under the light (compound) microscope, but vacuoles and cell membrane are not.
Instructions: Try to uproot one living dicot (ex. dandelion) and monocot (ex. grass) representative plant. Observe the roots of each plant and characterize as follows: A. Type of root system B. Presence of primary root C. Presence of lateral roots D. Presence of adventitious roots Note: Indicate the name of the plant, the root system it exhibits and the parts present. Tabulate the result of your observation using the table below. Answer the related questions below. Root Characteristics Monocot Specimen (Name) Dicot Specimen (Name) Type of root system Presence of primary root Presence of lateral roots Presence of adventitious roots 1. Which root system gives better anchorage and why? 2. List down five general features of roots you can recognize in both of your specimens.
Determine the collective true-false status of the statements using the choices below. I. All plant tissue arises from the activity of meristems. Meristems are analogous to stem cells in animals.; II. Primary growth arises at lateral meristems in the tips of young shoots and roots.; III. Secondary growth arises at apical meristems in older stems and roots.; IV. Vascular cambium produces secondary xylem (wood) on its inner surface, and secondary phloem on its outer surface. Cork cambium gives rise to cork, which is part of periderm. All statements are true. Only one (1) statement is true. Only two (2) statements are true. None of the statements is true. Only three (3) statements are true.
Instructions: MULTIPLE CHOICE Only choose the correct answer, and no need for an explanation. 1. Which of the following controls the movement of water and minerals into the vascular column of a root? A. endodermis B. spongy mesophyll C. stomata D. vascular cambium 2. Which of the following tissues comprise the pericyle of the roots? A. endodermal cells B. meristematic cells C. parenchyma D. sclerenchyma 3. Which of the following comprise the water conducting tissues of the pine tree? A. tracheids B. vessel elements C. sieve-tube elements D. albuminous cells
Instructions: Look for representative specimens of herbaceous dicot and monocot stem. The external parts that can be observed are nodes, internodes, leaf scar, lenticel, and buds (axillary and terminal). Examine and compare their external morphology by answering the questions below: 1. Why are terminal buds considered an active part of the stem? 2. Of what importance are nodes to the plant? 3. What are inter nodes and where are they located? 4. What is the function of the lenticels? Do all stems have lenticels? 5. How can you differentiate a monocot plant from a dicot plant just by looking at the stem? 6. What advantage would herbaceous stems have over woody stems? 7. What advantage would woody stems have over herbaceous stems?
1. What is the specialized root with asymmetrical secondary thickenings and greater fiber tissues?2. Which part of the orchid root epidermis that functions for gas exchange when the root is saturated with moisture?3. This type of specialized roots is characterized by contorted xylary elements and collapsed cortex: ______________
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