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Standard X
Biology
Osmosis
Question

The movement of molecules from their higher concentration to lower concentration is called as
  1. Osmosis
  2. Diffusion pressure deficit
  3. Diffusion
  4. Diffusion pressure gradient

A
Diffusion pressure deficit
B
Diffusion pressure gradient
C
Osmosis
D
Diffusion
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Solution
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Diffusion refers to the process by which molecules intermingle as a result of their kinetic energy of random motion. It is the net movement of molecules or atoms from a region of high concentration to a region of low concentration. This is also referred to as the movement of a substance down a concentration gradient.
So, the correct answer is option B.

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