Biology · BGCSE / Plant nutrition
StructuredPast exam questionForm 5 · BGCSE
Fig. 4.1 shows the results of an experiment investigating the effects of growing plants in different solutions of mineral salts: plant S is tall and green; plants T and U are small and yellow. The table shows the composition of the solutions (not necessarily in the same order as the plants). Plant T was grown in solution 1.
- aWhich solution was plant S grown in? [1]
- bWhich solution was plant U grown in? [1]
- cExplain the appearance of plant T. [3]
- dSome soils lack nitrates. Describe how a farmer can restore nitrates in such soils without applying fertilizers. [2]
You'll mark your own answer against the marking guide when you hand it in.
Source: BEC BGCSE Biology 2012, Paper 3, Question 4
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