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Absorption by roots - The Processes Involved — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyAbsorption by roots - The Processes Involved1 Mark
MCQ
Active transport:
  • A
    Passage of water from its lower to higher concentration through a cell membrane without any expenditure of energy.
  • B
    Passage of ions from its lower to higher concentration through a cell membrane without any expenditure of energy.
  • C
    Passage of water from its lower to higher concentration through a cell membrane using energy from the cell.
  • ✓
    Passage of ions from its lower to higher concentration through a cell membrane using energy from the cell.
✓

Answer

Correct option: D.
Passage of ions from its lower to higher concentration through a cell membrane using energy from the cell.
(d) Passage of ions from its lower to higher concentration through a cell membrane using energy from the cell.
Explanation:
This is another aspect of active transport. It involves the use of cellular energy to move ions or molecules against their concentration gradient, from an area of lower concentration to an area of higher concentration across a cell membrane.

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