Plant Anatomy: Trichomes, Root Hairs, and Meristematic Tissue
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Questions and Answers

What is the function of tomato trichomes?

  • Produce outer protective coating of the plant
  • Absorb water and minerals from the soil
  • Protect the plant from animals (correct)
  • Responsible for the length-wise extension of the plant body

Where do root hairs occur?

  • Near the tips of roots (correct)
  • Within the flowers of the plant
  • In the air above the ground
  • On the stem of the plant

What type of tissue is responsible for cell division in plants?

  • Epidermal tissue
  • Trichomes
  • Dermal tissue
  • Meristematic tissue (correct)

Which of the following is NOT a type of meristem in plants?

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

What is the function of procambium in plants?

<p>Give rise to vascular tissue system (A)</p> Signup and view all the answers

Where do apical meristems occur?

<p>At the tips of roots and shoots (A)</p> Signup and view all the answers

What type of growth involves an increase in thickness of the stem and root?

<p>Diffuse secondary growth (D)</p> Signup and view all the answers

Which part of the plant contains primary tissues?

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

What initiates primary growth in a plant?

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

In which plants does specialized secondary growth involve the production of additional parenchymatous elements?

<p>Monocotyledons like palms (A)</p> Signup and view all the answers

What type of growth may involve cells of the ground tissue not localized in a specific region?

<p>Diffuse secondary growth (D)</p> Signup and view all the answers

How do palm trees primarily increase their thickness near the apex?

<p>Through primary thickening meristem activity (A)</p> Signup and view all the answers

What type of meristem gives rise to the ground tissue system?

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

Which type of meristem is responsible for secondary growth in woody stems and roots?

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

What does the vascular cambium give rise to?

<p>Secondary xylem and phloem (D)</p> Signup and view all the answers

Which type of cambium is responsible for producing the outer bark in woody plants?

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

What is the main function of stomata in plants?

<p>Opening and closing pores based on environmental conditions (C)</p> Signup and view all the answers

What is the main function of lateral meristems?

<p>Produce the secondary plant body (D)</p> Signup and view all the answers

Which part of the plant contains subsidiary cells surrounding stomata?

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

What is the outcome of secondary growth in plants?

<p>Increase in girth or diameter (D)</p> Signup and view all the answers

What is the role of bulliform cells in leaves of grasses?

<p>Conserving water by causing leaf rolling (C)</p> Signup and view all the answers

Which plant structures serve to protect and prevent evaporation of water?

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

In what situation do bulliform cells lose water and cause a leaf to roll into a protected cylinder?

<p>In hot and dry conditions (A)</p> Signup and view all the answers

What is the function of specialized cells called subsidiary cells?

<p>Act as reservoirs for water and ions (A)</p> Signup and view all the answers

What is the main function of collenchyma cells?

<p>Providing flexible support for organs (D)</p> Signup and view all the answers

How do collenchyma cells differ from parenchyma cells?

<p>Having unevenly thickened cell walls (C)</p> Signup and view all the answers

Where are collenchyma cells usually located in plants?

<p>Under the epidermis of leaves, stems, and roots (B)</p> Signup and view all the answers

What is a key characteristic of sclerenchyma cells that distinguishes them from collenchyma cells?

<p>Lacking protoplasts at maturity (B)</p> Signup and view all the answers

Why are collenchyma cells able to provide support without restricting growth?

<p>Because they have thick walls but lack lignin (D)</p> Signup and view all the answers

In what plant parts can you find sclerenchyma cells?

<p>Throughout both primary and secondary plant body (B)</p> Signup and view all the answers

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