Roots and Water Absorption

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Questions and Answers

Which of the following is the correct explanation for water absorption by the root?

  • Water is absorbed by the root hairs through diffusion.
  • Water is absorbed by the root hairs through active transport.
  • Water is absorbed by the root hairs through osmosis.
  • Water is absorbed by the root hairs through imbibition. (correct)

How does water move from the soil to the epidermal cells?

  • Through osmosis (correct)
  • Through imbibition
  • Through diffusion
  • Through active transport

What is the reason for the higher concentration of cellular sap in the root hair compared to the soil solution?

  • Presence of dissolved salt in the cellular sap
  • Presence of dissolved protein in the cellular sap
  • Presence of dissolved water in the cellular sap
  • Presence of dissolved sugar in the cellular sap (correct)

Where does water move after reaching the cortex cells?

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

What is the main method of water movement in the root?

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

Which elements are essential for plant growth and can be absorbed through the roots?

<p>Nitrogen, phosphorus, and potassium (A)</p> Signup and view all the answers

What happens when a plant experiences a shortage of certain essential elements?

<p>The plant's vegetative growth is disturbed or stops completely (A)</p> Signup and view all the answers

What is the consequence of a plant not receiving enough essential elements?

<p>The plant's flowers and fruits do not form (C)</p> Signup and view all the answers

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