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O-LevelBiologyPlant Nutrition5090/12 · Oct/Nov 2015 · Q21 Mark

How do plants absorb nitrate ions by active transport?

Aagainst a concentration gradient using energy
Bagainst a concentration gradient without using energy
Cdown a concentration gradient using energy
Ddown a concentration gradient without using energy

✓ Correct answer

A: against a concentration gradient using energy

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About this question

Topic
Plant Nutrition, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, Oct/Nov 2015 Paper 1 Variant 2, question 2.

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