O-LevelBiologyCell Biology5090/11 · Oct/Nov 2022 · Q41 Mark
Which row applies to active transport?
Amovement occurs from region of higher concentration to region of lower concentration: x, movement occurs from region of lower concentration to region of higher concentration: x, an example is ion uptake by root hairs: ✓, an example is water uptake by root hairs: x
Bmovement occurs from region of higher concentration to region of lower concentration: ✓, movement occurs from region of lower concentration to region of higher concentration: x, an example is ion uptake by root hairs: ✓, an example is water uptake by root hairs: x
Cmovement occurs from region of higher concentration to region of lower concentration: x, movement occurs from region of lower concentration to region of higher concentration: ✓, an example is ion uptake by root hairs: ✓, an example is water uptake by root hairs: x
Dmovement occurs from region of higher concentration to region of lower concentration: x, movement occurs from region of lower concentration to region of higher concentration: ✓, an example is ion uptake by root hairs: x, an example is water uptake by root hairs: ✓
✓ Correct answer
C: movement occurs from region of higher concentration to region of lower concentration: x, movement occurs from region of lower concentration to region of higher concentration: ✓, an example is ion uptake by root hairs: ✓, an example is water uptake by root hairs: x
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