Which of the following pairs is correctly matched?
Show answer & explanation
Correct answer: C
Explanation
Answer: Cellulose - Provides structural strength to plant cells
Explanation: The correct pair is option 3 because cellulose is the main structural component of the plant cell wall, providing rigidity and support. The cellulose strengthens plant cells and helps maintain their shape.
Additional Key Facts
Plasmolysis occurs in hypertonic solutions.
Cell wall is made of cellulose, hemicellulose, and pectin.
Plasma membrane is selectively permeable.
Cellulose is a complex carbohydrate (polysaccharide).
Plant cells maintain turgidity due to water pressure against the cell wall.
Potential Exam-Oriented Questions & Answers
Question: What is the function of the plasma membrane?
Answer: It controls the movement of substances in and out of the cell
Question: In which type of solution does plasmolysis occur?
Answer: Hypertonic solution