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Transport in Plants
Means of Transport
1 question from 1 paper, each with its answer.
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- paper
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Concepts tested
- Active transport uses energy
All Questions
2000 AIPMT 1 question
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The movement of ions against the concentration gradient will be :Movement of substances from a region of lower concentration to higher concentration (against the gradient) needs energy (ATP) and carrier proteins (pumps). This is active transport, e.g. the $Na^+/K^+$ pump.
Diffusion and osmosis are passive processes that occur along the concentration gradient.
So movement of ions against the concentration gradient is active transport.