Biology 0610 · IGCSE · Tropic responses

Tropic responses — practice question

Fig. 6.1 depicts a plant that is growing in darkness. The pot has toppled over and has remained on its side for several days.
(a)[1]

Describe the effect that being placed on its side has had on the plant’s growth.

(b(i))[1]

State the name of this stimulus.

(b(ii))[1]

State the name of this type of plant response.

(c(i))[1]

State the name of this response.

(c(ii))[3]

Explain why the shoots are all bent over to the left and why this response is useful to the plant.

Worked solution & mark scheme

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