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Questions and Answers

What is the role of stomates found in the epidermis of plants?

  • Store nutrients in stems
  • Provide structural support to stems
  • Facilitate gas exchange (correct)
  • Conduct water from roots to leaves

Which type of tissue is primarily responsible for the transport of water in plants?

  • Xylem (correct)
  • Collenchyma
  • Phloem
  • Parenchyma

Which type of cells are considered ground tissue cells that primarily serve as filler and storage?

  • Phloem
  • Xylem
  • Parenchyma (correct)
  • Sclerenchyma

What type of meristem is responsible for the increase in girth of a plant?

<p>Lateral meristem (B)</p> Signup and view all the answers

Which of the following components is not part of the vascular tissue in plants?

<p>Cortex (B)</p> Signup and view all the answers

Which plant tissue type primarily serves a protective function?

<p>Dermal tissue (D)</p> Signup and view all the answers

What substance is produced and stored in secretory structures of plants?

<p>Nectar (B)</p> Signup and view all the answers

What is the primary function of parenchyma cells in plants?

<p>Photosynthesis and storage (A)</p> Signup and view all the answers

What is the primary function of the shoot system in plants?

<p>Photosynthesis and reproduction (B)</p> Signup and view all the answers

Which type of plant cell is primarily involved in the transport of water and dissolved minerals?

<p>Xylem cells (A)</p> Signup and view all the answers

What is the role of apical meristem in plant growth?

<p>Facilitate elongation of stems and roots (A)</p> Signup and view all the answers

In dicot stems, what does the bundle cap do?

<p>Provide structural support around vascular bundles (C)</p> Signup and view all the answers

Which of the following is NOT a function of the root system in plants?

<p>Photosynthesis through chlorophyll (A)</p> Signup and view all the answers

What tissue primarily makes up the protective layer of young leaves and stems?

<p>Protoderm (D)</p> Signup and view all the answers

Which statement about monocot stems is correct?

<p>They do not exhibit secondary growth. (B)</p> Signup and view all the answers

What is the primary function of leaf primordia in plants?

<p>Development of new leaves (D)</p> Signup and view all the answers

What is the primary function of xylem in plants?

<p>Conduct water and nutrients (C)</p> Signup and view all the answers

Which cells are mainly involved in the transport of sugars and amino acids in plants?

<p>Sieve-tube members (B)</p> Signup and view all the answers

Which root system is characterized by one prominent main root with smaller lateral roots branching from it?

<p>Taproot system (C)</p> Signup and view all the answers

Which region of the root is primarily responsible for cell division and growth?

<p>Apical Meristem (D)</p> Signup and view all the answers

Which type of tissue is mostly involved in the storage of carbohydrates in roots?

<p>Cortex (A)</p> Signup and view all the answers

What substance do roots secrete to assist in their growth and nutrient absorption?

<p>Mucilage (C)</p> Signup and view all the answers

Which type of root system does not have a single predominant root?

<p>Fibrous root system (C)</p> Signup and view all the answers

During which region of root development does specialization of cells occur?

<p>Region of Maturation (A)</p> Signup and view all the answers

What is the main purpose of the root cap in plants?

<p>Anchorage and protection (C)</p> Signup and view all the answers

What type of cells in phloem lack a nucleus at maturity?

<p>Sieve-tube members (C)</p> Signup and view all the answers

Which part of the root detects gravity and helps direct root growth?

<p>Root Cap (C)</p> Signup and view all the answers

Which layer in a monocot root is primarily composed of thin-walled parenchyma cells for storage?

<p>Cortex (D)</p> Signup and view all the answers

What type of plant cell primarily comprises xylem and is crucial for water transport?

<p>Xylem vessels (A)</p> Signup and view all the answers

Flashcards

Dermal Tissue

Protective outer covering of plants, including epidermis and periderm.

Ground Tissue

Fills the space between dermal and vascular tissues; includes cortex and pith.

Vascular Tissue

Responsible for transport of water and nutrients in plants; includes xylem and phloem.

Epidermis

Outermost cell layer of plants; covers leaves, stems, and roots.

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Meristems

Plant's growing points; primary (apex) and secondary (lateral).

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Xylem

Vascular tissue that transports water in plants.

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Phloem

Vascular tissue that transports food (sugars) in plants.

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Starch Test

Iodine is used to test for starch in a sample, turning dark purple if present.

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Stems: Shoot system function

Stems are the main part of the shoot system. They support leaves and reproductive structures and conduct water, minerals, and carbohydrates. They also produce living tissues and are involved in photosynthesis, reproduction, storage, and transport.

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Root system function

Roots anchor the plant, absorb water and minerals from the soil, store food, transport substances, and produce hormones.

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Monocot stem structure

Monocot stems have vascular bundles scattered throughout the ground tissue, lacking a distinct cortex and pith.

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Dicot stem structure

Dicot stems have vascular bundles in a ring pattern, with distinct cortex and pith.

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Node (in stems)

Nodes are the points of attachment for leaves and lateral buds on stems.

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Lateral bud

Lateral buds are meristematic tissue located in the axils of leaves, which can grow into branches or additional stems.

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Vascular bundles

Vascular bundles are clusters of xylem and phloem tissues, responsible for transporting water, minerals, and sugars throughout the plant.

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Apical meristem

The apical meristem is the growing tip of a stem or root, responsible for primary growth.

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Taproot System

A root system with one main root and smaller lateral roots branching from it.

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Fibrous Root System

A root system with many adventitious roots of similar size, arising from the stem base.

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Root Cap

Protective tissue at the root tip, aids in growing through soil.

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Apical Meristem

Region of cell division at root tip, responsible for growth.

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Region of Elongation

Root region where cells expand and lengthen, but stop dividing.

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Region of Maturation

Region where cells differentiate and specialize into tissue.

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Xylem

Vascular tissue transporting water and nutrients in plants.

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Phloem

Vascular tissue transporting food (sugars) in plants.

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Monocot Root

Root structure with a central vascular cylinder surrounded by a cortex.

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Epidermis (root)

Outermost root layer, single-layered and parenchymatous.

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Cortex (root)

Root tissue between epidermis and vascular cylinder, often for storage.

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Positive gravitropism

Roots growing downwards in response to gravity.

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Water and nutrients absorption

Roots absorb water and nutrients from soil.

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Root Anchorage

Roots providing stability and support against factors like wind.

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Root Conduction

Transport of water and nutrients throughout the plant by the roots.

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