Cell structure (plant cells) — KCSE Biology
KCSE Biology · 119 practice questions · 3 syllabus objectives
What You'll Learn
Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.
Draw and label a plant cell as seen under an electron microscope
State the functions of plant cell organelles
Cell structure (plant cells)
Sample Questions
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In the study of plant cells, understanding the roles of various organelles is crucial for comprehending their overall function and contribution to plant life. This includes examining the significance of cell sap and the protective structures that encase vital components within the cell. (a) State three functions of the cell sap in a plant cell. (3 marks) (b) Name the membrane that surrounds the vacuole. (1 mark)
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In the study of plant cells, understanding the various organelles and their specific functions is crucial. This knowledge is essential for comprehending how these cells contribute to vital processes such as photosynthesis and energy production. (a) Identify the organelle in a plant cell that contains chlorophyll and is the site of photosynthesis. (1 mark) (b) Name the two main regions of this organelle and state the reaction that occurs in each. (4 marks)
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In the study of cellular biology, understanding the roles and locations of various organelles within plant cells is crucial. This knowledge provides insight into the fundamental processes that sustain plant life and contribute to their growth and development. (a) State the function of Deoxyribonucleic acid (DNA) in the cell. (2 marks) (b) Name the cell organelle in which DNA is mainly found. (1 mark) (c) Name one other organelle in a plant cell that contains its own DNA. (1 mark)
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In the study of plant cells, understanding the roles of various organelles is crucial for comprehending how these cells function and maintain life processes. This knowledge lays the foundation for exploring the intricate relationships between cellular structures and their respective functions. (a) Identify the organelle that is referred to as the "control centre" of the cell. (1 mark) (b) State two functions of this organelle. (2 marks) (c) Name the structure within the nucleus that synthesises ribosomes. State its function. (2 marks)
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