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Exam-style practice

Tropic responses practice questions

Practise mixed syllabus-aligned questions for Tropic responses. Aligned to Cambridge IGCSE Biology.

Practice questions

Question 1 of 10

Choose an answer, get feedback, then move sideways through the set.

Paper 3 structured question: Tropic responses

Paper 3Theory (Core)2 marks

Description

Observation of Seedling Growth

The seedling is placed in a pot tilted at an angle. Despite the tilt, roots grow downwards into the soil, and shoots grow upwards towards the light.

  1. a

    Describe how gravitropism causes the roots to grow downwards in the tilted pot.

    Aim for approximately 2 distinct marking points.

    [2]