Support in plants — KCSE Biology
KCSE Biology · 89 practice questions · 2 syllabus objectives
What You'll Learn
Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.
State the functions of turgor pressure and lignification in plant support
Support in plants
Sample Questions
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Name the material that strengthens xylem tissue in plants.
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In the study of plant biology, understanding the mechanisms that provide structural integrity and resilience is crucial. This includes examining the roles of various tissues and the impact of environmental conditions on plant support. (a) State two ways in which non-woody plants are supported. (2 marks) (b) Name the tissues responsible for support in plants. (2 marks) (c) Explain why herbaceous plants wilt when they are dehydrated. (2 marks)
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Plants exhibit various mechanisms to maintain structural integrity and withstand environmental challenges. Understanding the different forms of support and the role of specific tissues is essential in appreciating how these organisms thrive in diverse habitats. (a) State two ways in which plants are supported. (2 marks) (b) Name the tissues responsible for support in plants. (2 marks) (c) Explain why herbaceous plants wilt when they lose water. (2 marks)
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In the study of plant physiology, understanding the mechanisms that contribute to structural integrity and resilience is essential. This includes examining the effects of water availability and the physiological responses of plants under stress conditions. (a) Define the term wilting. (1 mark) (b) State one importance of wilting to a plant. (1 mark) (c) Explain what happens when a wilting young plant is well watered. (3 marks)
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