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Chapter 23: Problem 9

A plant biologist is examining sections of plant tissue under the microscope. The slides are not labeled and the biologist is interested in simple tissues. Which of the following slides is a sample of a simple tissue? a. cells dividing rapidly in a stem b. root cambium showing different types of cells c. parenchyma showing only one type of cell d. leaf displaying the vascular bundle where diverse types of cells are involved in transport

Short Answer

Expert verified
Option c

Step by step solution

01

Identify the Definition of Simple Tissue

Simple tissue consists of only one kind of cell type.
02

Analyze Each Option

Examine all four choices to see which one describes tissue with only one cell type.
03

Evaluate Option a

Option a involves cells dividing rapidly in a stem, which indicates multiple cell types might be involved.
04

Evaluate Option b

Option b describes the root cambium with different types of cells, meaning it is not simple tissue.
05

Evaluate Option c

Option c mentions parenchyma with only one type of cell, indicating simple tissue.
06

Evaluate Option d

Option d involves a vascular bundle with diverse cell types, which disqualifies it as simple tissue.
07

Determine the Correct Answer

Based on the analysis, option c is the slide of a simple tissue as it describes parenchyma with only one type of cell.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

parenchyma cells
Parenchyma cells are the most common type of plant cells. They play a key role in photosynthesis, storage, and tissue repair. These cells are alive at maturity and have thin cell walls, which makes them versatile in function. They can store nutrients and water, making them vital for the plant's health. The large central vacuole in parenchyma cells helps in storing nutrients, while chloroplasts facilitate photosynthesis.
Based on their function, parenchyma cells can be found in different parts of the plant like leaves, stems, and roots.
This makes them important for plant growth and survival.
microscope tissue examination
Microscope tissue examination involves using a microscope to observe different types of plant tissues. By staining the plant tissue, specific cell structures can be highlighted, making them easier to identify. This method is crucial for identifying simple tissues, which consist of one type of cell, and complex tissues, which contain multiple cell types.
Understanding the structure and function of plant tissues under a microscope can help biologists learn about plant health, growth, and development.
plant stem cell division
Plant stem cells are undifferentiated cells which have the potential to develop into various types of plant cells. In the stem, these cells are primarily located in the meristems, which are regions of active cell division. Stem cell division is essential for plant growth as it generates new cells that differentiate and contribute to the formation of tissues and organs.
This process allows plants to grow taller, form branches, and repair damaged tissues. It also plays a role in producing new flowers, seeds, and leaves.
root cambium cells
The root cambium is a type of lateral meristem that contributes to the secondary growth of roots. It is found between the xylem and phloem and is responsible for producing new vascular tissues. Root cambium cells divide to create new xylem and phloem cells, which thickens the root and aids in nutrient transport.
The root cambium is crucial for the plant's stability and ability to absorb water and minerals from the soil.
vascular bundle
A vascular bundle is a part of the transport system in vascular plants. It consists of xylem and phloem, surrounded by a bundle sheath and sometimes by supportive fibers. The xylem transports water and minerals from roots to other parts of the plant, while the phloem distributes the products of photosynthesis.
Vascular bundles are found in different patterns in stems, roots, and leaves, playing a critical role in maintaining the plant's overall function and health.

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Most popular questions from this chapter

In the collection of a botanical garden, plants are classified according to the environments in which they thrive. What plant would have large leaves covered with a thick upper cuticle and wide flat blades and possess large air spaces (chambers) within its mesophyll tissue? a. a water lily floating on water b. a pine tree growing in the cold and dry taiga c. a cactus growing in a hot, sunny, and dry environment d. an orchid hanging from a tree in a tropical forest

Solute potential decreases when solutes are added to a cell. The consequence is to draw water into the cell. Which of these terms corresponds to solute potential? a. water potential b. pressure potential c. osmotic potential d. negative potential

Which description correctly compares a tap root system with a fibrous root system? a. A tap root system, such as that of carrots, has a single main root that grows down. A fibrous root system, such as that of wheat, forms a dense network of roots that is closer to the soil surface. Fibrous root systems are found in monocots and tap root systems are found in dicots. b. A fibrous root system, such as that of a carrot, has a single main root that grows down. A taproot system, such as that of wheat, forms a dense network of roots that is closer to the soil surface. Fibrous root systems are found in monocots and tap root systems are found in dicots. c. A taproot system, such as that of rice, has a single main root that grows down. A fibrous root system, such as that of a carrot, forms a dense network of roots that is closer to the soil surface. Fibrous root systems are found in monocots and tap root systems are found in dicots. d. A taproot system, such as that of a carrot, has a single main root that grows down. A fibrous root system, such as that of wheat, forms a dense network of roots that is closer to the soil surface. Taproot systems are found in monocots and fibrous root systems are found in dicots.

A student reported vascular tissue while inspecting a cross-section of a plant stem under the microscope. Which cells would allow the student to identify vascular tissue? a. tracheids, vessel elements, sieve-tube cells, and companion cells b. cells actively dividing at the apex of the stem c. parenchyma cells at the center of the section d. cells covered by a cuticle at the outside edge of the section

Why do plants that cannot detect gravity show stunted growth with tangled roots and trailing stems? a. Without gravitropism, both roots and seedlings would grow upward. b. Without gravitropism, roots would grow in all directions and seedlings would grow upward. c. Without gravitropism, roots would grow upward but seedlings would not grow upward toward the surface. d. Without gravitropism, roots would grow in all directions but seedlings would not grow upward toward the surface.
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