NCERT · Class 9 · Science · The Fundamental Unit of LifePlant cell walls are mainly composed of which substance that provides structural strength?
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Total Attempts: 3
Accuracy Rate: 33.3%
Step-by-Step Solution
Plant cell walls are mainly composed of cellulose, a complex substance that provides structural strength to plants allowing them to withstand very dilute external media without bursting.
Detailed Options Breakdown
Option : Protein
Incorrect choice. This distractor represents a common misunderstanding of the core principles of The Fundamental Unit of Life.
Option 1: Lipid
Incorrect choice. This distractor represents a common misunderstanding of the core principles of The Fundamental Unit of Life.
Option 2: Cellulose (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Chitin
Incorrect choice. This distractor represents a common misunderstanding of the core principles of The Fundamental Unit of Life.
💡 Study Guide: This question tests core syllabus concepts from The Fundamental Unit of Life. For formulas, key summaries, and mock exam reference guides, read the full The Fundamental Unit of Life Revision Notes.