ICSE Class 10 Biology Question 4 of 10

Chemical Coordination in Plants — Question 8

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Question 8

The growth movement of plant parts which occurs due to touch stimulus is called:

  1. Heliotropism
  2. Chemotropism
  3. Hydrotropism
  4. Thigmotropism
Answer

Thigmotropism

Reason — The growth movement of plant parts which occurs due to touch stimulus is called thigmotropism. For example, coiling of tendrils to their support.


Source: This question is from Chemical Coordination in Plants, Biology — Class 10, ICSE Board.

Key Concepts Covered

This question tests your understanding of the following concepts from the chapter Chemical Coordination in Plants: Question, Growth, Movement, Plant, Parts, Occurs. These are fundamental topics in Biology that students are expected to master as part of the ICSE Class 10 curriculum.

A thorough understanding of these concepts will help you answer similar questions confidently in your ICSE examinations. These topics are frequently tested in both objective and subjective sections of Biology papers. We recommend revising the relevant section of your textbook alongside practising these solved examples to build a strong foundation.

How to Approach This Question

Read the question carefully and identify what is being asked. Break down complex questions into smaller parts. Use the terminology and concepts discussed in this chapter. Structure your answer logically — begin with a definition or key statement, then provide supporting details. Review your answer to ensure it addresses all parts of the question completely.

Key Points to Remember

  • Use precise scientific terminology as defined in the textbook.
  • Draw and label diagrams neatly for full marks.
  • Understand the difference between structure and function.
  • Learn processes step-by-step in the correct sequence.

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