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Transport in Plants — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYTransport in Plants5 Marks
Question
Mention any three similarities and two differences between facilitated diffusion and active transport of substances in plants. Also draw a neat labelled diagram depicting facilitated diffusion of proteins.
✓

Answer

Similarities:
  1. Both of them require specific membrane transport proteins.
  2. The rates may reach a maximum following saturation of the transport proteins.
  3. They are highly selective for the substances they transport.
S. No
Facilitated Diffusion
Active Transport
1.
It is passive process and does not require energy.
It requires energy.
2.
It occurs following concentration gradient, i.e., from higher concentration to lower concentration.
It can occur against concentration gradient, i.e., from lower concentration to higher concentration.

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