Semipermeable Membranes

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Questions and Answers

What is the physical significance of the value of M2 calculated?

  • Number of moles of the gas
  • Molar mass of the gas (correct)
  • Partial pressure of the gas
  • Molar volume of the gas

What is the primary cause of water loss in a raw mango when placed in a concentrated salt solution?

  • Diffusion
  • Passive transport
  • Osmosis (correct)
  • Active transport

What is the term used to describe the swelling of blood cells in a hypotonic solution?

  • Lysis
  • Edema (correct)
  • Haemolysis
  • Crenation

Which of the following is an example of an isotonic solution?

<p>A 0.9% NaCl solution (C)</p> Signup and view all the answers

What is the purpose of adding salt or sugar to preserve meat or fruits?

<p>To prevent bacterial growth (B)</p> Signup and view all the answers

What is the primary mechanism by which water moves into plant roots from the soil?

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

In which direction will water flow through a selectively permeable membrane if a plant cell is placed in a hypertonic solution?

<p>Out of the cell (A)</p> Signup and view all the answers

What is the term used to describe the process by which a wilted flower revives when placed in fresh water?

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

What is the condition characterized by an excess of fluid in the intercellular spaces due to excessive salt intake?

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

Which of the following is an application of colligative properties?

<p>All of the above (D)</p> Signup and view all the answers

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