Plant Root Anatomy Quiz

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Questions and Answers

What is the function of cohesion in the xylem of plants?

  • To anchor plants and absorb nutrients
  • To transport sugars throughout the plant
  • To bond water molecules with other substances
  • To bond water molecules with each other (correct)

Where does absorption primarily occur in plants?

  • In the phloem
  • In the xylem
  • In roots (correct)
  • In leaves

What is the main function of phloem in plants?

  • Carrying out photosynthesis
  • Absorbing water from the soil
  • Providing support for the plant
  • Transporting sugars throughout the plant (correct)

Why does water move from the xylem into the phloem?

<p>Due to pressure differences in the plant (D)</p> Signup and view all the answers

Which model explains the movement of sugars in plants?

<p>Pressure-flow model (B)</p> Signup and view all the answers

What is one key function of the roots in vascular plants?

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

What is the main function of tree rings?

<p>To determine the age of a tree (D)</p> Signup and view all the answers

Which part of the leaf collects sunlight for photosynthesis?

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

What surrounds each stoma and is responsible for opening and closing it?

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

Which leaf adaptation is specifically mentioned for extreme temperatures?

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

What are the two types of mesophyll cells in leaves, both containing chloroplasts?

<p>Palisade mesophyll and spongy mesophyll (A)</p> Signup and view all the answers

What is the main purpose of stomata in leaves?

<p>To regulate gas exchange (B)</p> Signup and view all the answers

Which plant tissue type is responsible for providing support to a growing plant?

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

Which plant cell type is most commonly found and helps in storing starch, oils, and water?

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

What is the primary function of dermal tissue in plants?

<p>Secreting the cuticle of leaves (B)</p> Signup and view all the answers

Which specialized cells are responsible for transporting water and minerals within plants?

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

What is the primary function of vascular tissue in plants?

<p>Transporting water, minerals, and organic compounds (B)</p> Signup and view all the answers

Which tissue system is responsible for forming the outer bark of trees?

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

What is the main function of root hairs in plants?

<p>Help with absorption of nutrients (B)</p> Signup and view all the answers

Which part covers the tip of a root and protects it during growth?

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

What distinguishes taproot systems from fibrous root systems?

<p>Having one main root (C)</p> Signup and view all the answers

Which plant structures house most of the vascular system and store water?

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

What is the primary function of herbaceous stems in plants?

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

What type of growth increases a plant's length?

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

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