Section 24-1 Quiz The Vascular Plant Body
- 1.
What does the dermal tissue system do?
- A.
Performs photosynthesis
- B.
Serves as a protective outer layer
- C.
Conducts water, mineral nutrients, and carbohydrates made by photosynthesis
- D.
Makes food
Correct Answer
B. Serves as a protective outer layerExplanation
The dermal tissue system serves as a protective outer layer for the plant. It acts as a barrier, protecting the plant from physical damage, pathogens, and excessive water loss. The dermal tissue system includes the epidermis, which is the outermost layer of cells in the plant. The epidermis is often covered by a waxy cuticle, further enhancing its protective function.Rate this question:
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- 2.
What does the ground tissue system do?
- A.
Performs photosynthesis, stores water and carbohydrates, assists in transport, and surrounds and supports the conducting tissues
- B.
Conducts water, mineral nutrients, and carbohydrates made by photosynthesis
- C.
Makes food
- D.
Keeps in moisture
Correct Answer
A. Performs photosynthesis, stores water and carbohydrates, assists in transport, and surrounds and supports the conducting tissuesExplanation
The ground tissue system performs multiple functions in a plant. It is responsible for photosynthesis, which is the process of converting sunlight into energy for the plant. Additionally, it stores water and carbohydrates, providing a reserve for the plant's needs. The ground tissue system also assists in transport, helping to move nutrients and other substances throughout the plant. Lastly, it surrounds and supports the conducting tissues, which are responsible for the movement of water and nutrients within the plant.Rate this question:
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- 3.
What does the vascular tissue system do?
- A.
Serves as a protective outer layer
- B.
Performs mitosis
- C.
Performs photosynthesis, stores water and carbohydrates made by photosynthesis
- D.
Conducts water, mineral nutrients, and carbohydrates, assists in transport, and surrounds the conducting tissues
Correct Answer
D. Conducts water, mineral nutrients, and carbohydrates, assists in transport, and surrounds the conducting tissuesExplanation
The vascular tissue system is responsible for conducting water, mineral nutrients, and carbohydrates throughout the plant. It assists in the transport of these substances and surrounds the conducting tissues, providing support and protection. This system plays a vital role in the overall functioning of the plant by ensuring the efficient distribution of essential resources to different parts of the plant.Rate this question:
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- 4.
What is the epidermis of a plant?
- A.
The second type of xylem cells
- B.
The outer covering
- C.
Conducting cells
- D.
A series of vessel elements
Correct Answer
B. The outer coveringExplanation
The epidermis of a plant refers to the outer covering of the plant. It is the outermost layer of cells that serves as a protective barrier for the underlying tissues. The epidermis helps to prevent water loss, regulate gas exchange, and protect the plant from external factors such as pathogens and physical damage. It also contains specialized structures like stomata, which are responsible for gas exchange, and trichomes, which can provide additional protection or aid in various functions like reducing water loss or trapping insects.Rate this question:
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- 5.
What are tracheids?
- A.
A series of vessel elements
- B.
Second type of xylem cells that develop large perforations in their ends that enable water to flow more quickly between the elements
- C.
Narrow, elongated thick-walled cells that are tapered at each end in which water flows through pits in their cell walls
- D.
Cells that contain organelles and a nucleus
Correct Answer
C. Narrow, elongated thick-walled cells that are tapered at each end in which water flows through pits in their cell wallsExplanation
Tracheids are narrow, elongated thick-walled cells that are tapered at each end. They have pits in their cell walls that allow water to flow through, enabling the transport of water and minerals in plants. Tracheids are part of the xylem tissue and play a crucial role in conducting water from the roots to the rest of the plant.Rate this question:
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- 6.
What are vessel elements?
- A.
Second type of xylem cells that develop large perforations in their ends that enable water to flow more quickly between the elements
- B.
Outer coverings of plants
- C.
Attaches the blade to the stem
- D.
Elements that contain both xylem and phloem
Correct Answer
A. Second type of xylem cells that develop large perforations in their ends that enable water to flow more quickly between the elementsExplanation
Vessel elements are the second type of xylem cells that develop large perforations in their ends. These perforations allow water to flow more quickly between the elements, facilitating the transportation of water and dissolved minerals throughout the plant. Vessel elements are an important component of the plant's vascular system, specifically the xylem tissue, which is responsible for upward water movement from the roots to the rest of the plant.Rate this question:
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- 7.
What are sieve tube members
- A.
The conducting cells in xylem
- B.
Cell that contain both organelles and a nucleus
- C.
The conducting cells in phloem
- D.
Cells that contain neither organelles or nucleuses
Correct Answer
C. The conducting cells in phloemExplanation
Sieve tube members are the conducting cells in phloem. Phloem is responsible for transporting sugars, nutrients, and other organic compounds throughout the plant. The sieve tube members are specialized cells that form long tubes, allowing for the efficient movement of materials. These cells lack organelles and nuclei, which allows for a more streamlined structure and better flow of substances.Rate this question:
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- 8.
What is a sieve tube
- A.
A series of sieve tube members
- B.
Conducting cells of phloem
- C.
Conducting cells of xylem
- D.
A series of companion cells in the shape of a tube
Correct Answer
A. A series of sieve tube membersExplanation
A sieve tube is a series of sieve tube members. Sieve tube members are conducting cells of phloem, which are responsible for transporting sugars and other organic compounds throughout a plant. These cells are connected end to end, forming a tube-like structure that allows for efficient movement of nutrients. Therefore, a sieve tube can be defined as a series of these specialized conducting cells that make up the phloem tissue.Rate this question:
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- 9.
What is a companion cell
- A.
Cells that carry out key metabolic functions for sieve tube members
- B.
Cells that distribute water throughout the plants vascular system
- C.
Cells that border stomata
- D.
Cells perform photosynthesis
Correct Answer
A. Cells that carry out key metabolic functions for sieve tube membersExplanation
Companion cells are specialized plant cells that play a crucial role in supporting the function of sieve tube members, which are responsible for transporting sugars and other organic molecules throughout the plant. These companion cells provide the necessary energy and nutrients for the sieve tube members, ensuring efficient and effective transport of substances. They are involved in key metabolic functions such as loading and unloading of sugars, maintaining the osmotic pressure, and regulating the movement of substances within the sieve tubes. Their close association with sieve tube members allows for efficient long-distance transport in plants.Rate this question:
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- 10.
What is mesophyll
- A.
Areas of a stem between nodes
- B.
Spherical cells that are loosely packed
- C.
The ground tissue in a leaf
- D.
Places where leaves attach to a stem
Correct Answer
C. The ground tissue in a leafExplanation
Mesophyll refers to the ground tissue found in the leaf. It consists of spherical cells that are loosely packed together. This tissue is responsible for carrying out photosynthesis, as it contains chloroplasts that capture sunlight and convert it into energy for the plant. The mesophyll also helps in the exchange of gases, allowing carbon dioxide to enter and oxygen to exit the leaf. Overall, mesophyll plays a crucial role in the functioning of leaves and their ability to produce food for the plant.Rate this question:
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- 11.
What is a terminal bud
- A.
Inner layers of ground tissue
- B.
The bud at the tip of a stem
- C.
Buds that grow into the branches of the stem
- D.
Soft green buds
Correct Answer
B. The bud at the tip of a stemExplanation
A terminal bud refers to the bud located at the tip of a stem. It is responsible for the growth and development of the stem in length. This bud contains meristematic tissue, which is responsible for cell division and differentiation, allowing the stem to continue to grow. The terminal bud also plays a role in determining the direction of growth for the stem and the development of lateral buds and branches.Rate this question:
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- 12.
What is the cortex
- A.
The outer layers of ground tissue in a stem
- B.
The inner layers of the pith
- C.
Third layers of the pith
- D.
Second layers of the ground tissue in a stem
Correct Answer
A. The outer layers of ground tissue in a stemExplanation
The cortex refers to the outer layers of ground tissue in a stem. It is responsible for providing support and protection to the inner tissues of the stem. This layer also plays a role in the transportation of water and nutrients throughout the plant.Rate this question:
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- 13.
What is pith
- A.
The outer layers of ground tissue of a stem
- B.
The inner layers of ground tissue in a stem
- C.
Cell that contains both xylem and phloem
- D.
Places where leaves attach to a stem
Correct Answer
B. The inner layers of ground tissue in a stemExplanation
The correct answer is "the inner layers of ground tissue in a stem." The pith is the central region of a stem, consisting of soft, spongy parenchyma cells. It is responsible for storing and transporting nutrients throughout the plant. The pith is surrounded by the cortex, which is the outer layer of ground tissue in a stem.Rate this question:
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- 14.
What are lenticels
- A.
The cells of phloem
- B.
Actively growing tips of roots
- C.
Waxy outer coverings of plants
- D.
Tiny openings in loosely organized groups of cork cells
Correct Answer
D. Tiny openings in loosely organized groups of cork cellsExplanation
Lenticels are tiny openings found in loosely organized groups of cork cells. These openings allow for gas exchange between the internal tissues of plants and the external environment. They are typically found on the stems, branches, and roots of plants. Lenticels play an important role in facilitating the exchange of oxygen and carbon dioxide, as well as the release of excess water vapor. They are particularly important for plants that have a protective waxy outer covering, as this covering can restrict gas exchange.Rate this question:
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Mar 16, 2023Quiz Edited by
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Sep 08, 2010Quiz Created by
Libbyrose1996
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