Plant System and Plant Organs Quiz
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Questions and Answers

What is the main function of the stem in a plant?

  • Photosynthesis
  • Conduction of water
  • Production of new stem tissues
  • Support (correct)

What is the role of the endodermis in a plant stem?

  • Conducting water and nutrients
  • Determining what passes between the cortex and vascular tissue (correct)
  • Preventing water loss
  • Production of new stem tissues

Which part of a plant contains xylem and phloem for water and food conduction?

  • Pith
  • Vascular bundle/cylinder (correct)
  • Epidermis
  • Cortex

What is the function of lenticels in a plant twig?

<p>Allowing exchange of gas (C)</p> Signup and view all the answers

What is the primary function of the endodermis in a plant stem?

<p>Regulating the passage of substances between the cortex and vascular tissue (D)</p> Signup and view all the answers

Which structure in a plant stem is responsible for conducting food?

<p>Vascular bundle/cylinder (B)</p> Signup and view all the answers

What is the function of lenticels in plant twigs?

<p>Allowing gas exchange for the twig (A)</p> Signup and view all the answers

Which part of a plant stem contains xylem for water conduction?

<p>Vascular bundle/cylinder (C)</p> Signup and view all the answers

What is the primary role of the cortex in a plant stem?

<p>Acting as external support (D)</p> Signup and view all the answers

Which structure in a plant stem determines what substances pass between the cortex and vascular tissue?

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

What is the main purpose of bud scales in plant growth?

<p>Providing protection to developing buds (B)</p> Signup and view all the answers

The plant system consists of stem, leaves, flower, and ______.

<p>fruits</p> Signup and view all the answers

Reproductive plant organs include the flowers, ______, and seeds.

<p>fruits</p> Signup and view all the answers

Roots are the underground structure that takes in water and nutrients and transports them to the ______ system.

<p>shoot</p> Signup and view all the answers

The stem of a plant is responsible for support, conduction, internal transport, and production of new stem ______.

<p>tissues</p> Signup and view all the answers

Buds in a plant stem are terminal and lateral parts for ______.

<p>growth</p> Signup and view all the answers

Lenticels in a plant stem are pores that allow the exchange of ______ for twigs.

<p>gas</p> Signup and view all the answers

The vascular bundle/cylinder in a plant stem contains xylem which conducts water and phloem that conducts ______.

<p>food</p> Signup and view all the answers

Flashcards

Stem Support

The stem provides structural support for the plant, allowing it to grow upright and reach sunlight.

Endodermis Role

The endodermis acts as a gatekeeper, controlling what substances move from the outer cortex to the inner vascular tissue.

Vascular Bundle Function

The vascular bundle/cylinder is the plant's internal transport system, containing xylem for water and phloem for food.

Lenticel Purpose

Lenticels are tiny pores in plant stems that allow gas exchange, enabling the plant to breathe.

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Endodermis as Regulator

The endodermis is the layer of cells that controls the movement of substances between the cortex and vascular tissue.

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Vascular Bundle as Transporter

The vascular bundle/cylinder is the core section of the stem responsible for transporting water and food.

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Lenticels for Gas Exchange

Lenticels are small pores in plant twigs that enable them to breathe by exchanging gases.

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Xylem for Water Transport

The xylem, found in the vascular bundle, is the water-conducting tissue in a plant stem.

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Cortex Support

The cortex provides external support and protection to the plant stem.

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Endodermis as a Gatekeeper

The endodermis acts like a gatekeeper, determining what substances pass from the cortex to the vascular tissue.

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Bud Scale Function

Bud scales protect the developing buds from harsh environmental conditions.

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Plant System Components

The plant system is comprised of the stem, leaves, flower, and fruits.

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Reproductive Plant Organs

Reproductive organs in plants include the flowers, fruits, and seeds.

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Root Function

Roots absorb water and nutrients from the soil and transport them to the shoot system.

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Stem Functions

The stem supports the plant, conducts water and food, transports internally, and produces new tissues.

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Bud Function

Terminal and lateral buds on a plant stem are areas where growth occurs.

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Lenticels for Gas Exchange

Lenticels in a plant stem are pores that allow the exchange of gases for the twigs.

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Vascular Bundle Components

The vascular bundle/cylinder in a plant stem contains xylem for water conduction and phloem for food conduction.

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