Plant Cells and Tissues - Case Studies
Q. What type of cells are responsible for the secondary growth in plants?
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A.
Apical meristem
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B.
Lateral meristem
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C.
Parenchyma
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D.
Epidermal cells
Solution
Lateral meristem, including vascular cambium and cork cambium, is responsible for secondary growth, increasing the girth of stems and roots.
Correct Answer: B — Lateral meristem
Q. Which plant tissue is primarily involved in photosynthesis?
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A.
Xylem
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B.
Phloem
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C.
Mesophyll
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D.
Sclerenchyma
Solution
Mesophyll tissue, located in the leaves, contains chloroplasts and is primarily responsible for photosynthesis.
Correct Answer: C — Mesophyll
Q. Which type of plant tissue is characterized by living cells with thickened cell walls?
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A.
Parenchyma
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B.
Collenchyma
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C.
Sclerenchyma
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D.
Epidermis
Solution
Collenchyma tissue is characterized by living cells with unevenly thickened cell walls, providing flexible support.
Correct Answer: B — Collenchyma
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