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Biology Chapter 3 : Topic 5
Types of Specialized Cells
1 / 15
Which type of plant cell is mainly responsible for photosynthesis?
Reasoning: Mesophyll cells contain many chloroplasts and are the main site of photosynthesis.
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Epidermal cells in plants mainly function to:
Reasoning: Epidermal cells form the outer layer and protect internal tissues.
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Which feature is most suitable for a neuron’s function?
Reasoning: Neurons have long axons to transmit nerve impulses over long distances.
4 / 15
Muscle cells are specially adapted for contraction because they contain:
Reasoning: Actin and myosin filaments enable muscle contraction.
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Red blood cells are unique because they:
Reasoning: RBCs lack a nucleus to maximize space for hemoglobin.
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The main function of liver cells is:
Reasoning: Liver cells (hepatocytes) detoxify blood and regulate metabolism.
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Which cell type is best adapted for rapid oxygen transport?
Reasoning: RBCs contain hemoglobin for efficient oxygen transport.
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Mesophyll cells are located in the:
Reasoning: Mesophyll cells are found inside leaves where photosynthesis occurs.
9 / 15
The flattened shape of red blood cells helps them to:
Reasoning: Biconcave shape increases surface area and flexibility for smooth flow.
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Which cell type is most elongated in structure?
Reasoning: Neurons are elongated to transmit signals over long distances.
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Epidermal cells in leaves often have a waxy cuticle to:
Reasoning: The waxy cuticle prevents excessive water loss.
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Which cell type is most involved in detoxification?
Reasoning: Liver cells break down toxins and harmful substances.
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The structural feature that helps muscle cells contract is:
Reasoning: Myofibrils contain contractile proteins responsible for movement.
14 / 15
Which of the following cells is plant in origin?
Reasoning: Mesophyll cells are found in plant leaves.
15 / 15
Why do red blood cells lack mitochondria?
Reasoning: Absence of mitochondria leaves more space for hemoglobin.
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