57 Questions
What is the role of the epidermis in a dicotyledonous stem?
Minimizing water loss with a waxy cuticle
In dicotyledonous plants, which tissue regulates water and nutrient movement into the vascular bundles?
Endodermis
What is the function of the coleoptile in monocotyledonous plants?
Leading the first leaves through the soil
Which tissue in stems primarily moves water and minerals up from the roots?
Xylem
What is the main function of cork cambium in perennial plants?
Developing cork cells for bark formation
Which tissue strengthens the stem and protects vascular tissues in dicotyledonous plants?
Pericycle
What is the primary role of stomata in plant stems?
Facilitating gaseous exchange and water vapor exit
What is the main difference between dicotyledonous and monocotyledonous plants?
They differ in all of the above.
Which type of plant is typically more than 5 meters tall and has a single main woody stem?
Trees
What is the primary function of stems in plants?
Transportation of water, dissolved minerals, and sugars.
Which growth form includes plants that climb or twine around other structures?
Vines
What is the role of stems in asexual reproduction?
Stems contribute to asexual reproduction methods.
Which type of plant is characterized by multiple woody stems growing from the base?
Shrubs
What is the primary function of stems in providing support and positioning to the plant?
To position leaves, flowers, and fruits for both optimal sunlight exposure and reproduction.
Which growth form includes plants that lack woody tissue?
Herbs
What is the role of stems in protecting plants from environmental stresses?
Stems protect plants from both physical damage and extreme temperatures.
Which type of plant is typically under 1 meter in height?
Shrubs
Which plant growth form is characterized by a single main woody stem and is typically more than 5 meters tall?
Trees
Which function of stems helps plants survive and grow by storing nutrients and water?
Storage
Which plant growth form is characterized by multiple woody stems growing from the base and is typically under 1 meter in height?
Shrubs
Which plant growth form lacks woody tissue and is usually low-growing and herbaceous?
Herbs
Which function of stems helps the plant to position its leaves, flowers, and fruits for optimal sunlight exposure and reproduction?
Support and positioning
Which plant growth form can be woody or herbaceous, and has stems that climb or twine around other structures?
Vines
Which function of stems is essential for the movement of water, dissolved minerals, and sugars throughout the plant?
Transport
Which plant growth form is typically more than 5 meters tall and has a single main stem that can be either woody or herbaceous?
Trees
Which function of stems contributes to asexual reproduction methods in some plants?
Reproduction
Which plant growth form is characterized by multiple stems growing from the base and is typically under 1 meter in height, but can sometimes reach up to 2 meters?
Shrubs
Which tissue in dicotyledonous stems primarily stores nutrients and aids in their passive movement?
Cortex
What is the primary function of collenchyma and sclerenchyma tissues in plant stems?
Structural support
In dicotyledonous stems, which layer regulates the movement of water and nutrients into the vascular bundles?
Endodermis
What is the function of pericycle in dicotyledonous plants?
Strengthens the stem
Which tissue in plant stems primarily facilitates radial growth by generating new xylem and phloem cells?
Vascular Cambium
What is the main role of the cork cambium in perennial plants?
Producing cork for bark
Which plant tissue is central to the transport system, primarily moving water and minerals upwards from the roots?
Xylem
What do annual rings in woody stems indicate about a plant?
Age of the plant
What is the main function of cuticle in plant stems?
Minimizing water loss by evaporation
What is the primary role of the pericycle in a dicotyledonous stem?
Strengthening the stem
Which type of plant growth form has the ability to engage in asexual reproduction through stems?
Vines
Which plant growth form is typically under 1 meter in height, but can sometimes reach up to 2 meters, and is characterized by multiple stems growing from the base?
Shrubs
Which plant growth form primarily functions in nutrient storage for plant survival and growth?
Trees
Which plant growth form exhibits the function of support and positioning for optimal sunlight exposure and reproduction through its stem?
Vines
Which plant growth form is primarily associated with the function of transport of water, minerals, and sugars throughout the plant?
Herbs
Which plant growth form primarily contributes to protection from environmental stresses through stem function?
Herbs
Which plant growth form exhibits radial growth through stem function, generating new xylem and phloem cells?
Trees
Which plant growth form primarily functions in the passive movement of nutrients through stem storage?
Trees
Which plant growth form primarily functions in the upward movement of water and minerals through stem function?
Herbs
Which plant growth form contributes most to protection from environmental stresses through the function of collenchyma and sclerenchyma tissues in their stems?
Herbs
What is the primary difference in stem development between dicotyledonous and monocotyledonous plants?
Monocotyledonous plants start growth with the coleorhiza, while dicotyledonous plants start with the radicle.
Which stem tissue is responsible for the regulation of water and nutrient movement into the vascular bundles in dicotyledonous plants?
Endodermis
What is the function of the vascular cambium in dicotyledonous stems?
It facilitates the growth of xylem and phloem tissues.
What is the main difference between collenchyma and sclerenchyma tissues in dicotyledonous stems?
Collenchyma cells are alive at maturity, while sclerenchyma cells are dead at maturity.
What is the primary role of the pericycle in dicotyledonous stems?
It contributes to the protection and strength of the stem.
Which plant growth form is characterized by multiple woody stems growing from the base and is typically under 1 meter in height?
Shrubs
In perennial plants, what is the function of the cork cambium?
It forms the bark by producing cork cells.
What is the primary function of the cuticle in plant stems?
It minimizes water loss by evaporation.
What do annual rings in woody stems indicate about a plant?
They illustrate distinct patterns of growth through seasons and show the age of the plant.
What is the primary function of the epidermis in dicotyledonous stems?
It provides protection as the outermost layer.
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