(a)[5]
Describe and explain how the structures shown at J are adapted to perform their function.
(b(i))[1]
Name this response shown by roots.
(b(ii))[1]
Name the chemical responsible for this response.
(b(iii))[2]
Suggest and explain one example.
Biology 0610 · IGCSE · Tropic responses
Tropic responses — practice question
Fig. 5.1 shows a germinating seed, with the root extending outwards.
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