Plant Cells and Tissues - Applications
Q. What is the main role of sclerenchyma cells in plants?
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A.
Photosynthesis
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B.
Storage
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C.
Support and strength
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D.
Transport
Solution
Sclerenchyma cells provide structural support and strength to the plant due to their thick, lignified cell walls.
Correct Answer: C — Support and strength
Q. What is the role of the cambium in plant tissues?
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A.
Photosynthesis
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B.
Growth in thickness
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C.
Water transport
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D.
Nutrient storage
Solution
Cambium is a type of meristematic tissue that contributes to secondary growth, increasing the thickness of stems and roots.
Correct Answer: B — Growth in thickness
Q. Which plant tissue is primarily involved in the transport of sugars?
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A.
Xylem
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B.
Phloem
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C.
Meristematic tissue
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D.
Sclerenchyma
Solution
Phloem is responsible for the transport of sugars and other metabolic products downward from the leaves.
Correct Answer: B — Phloem
Q. Which type of meristematic tissue is responsible for the increase in length of roots and shoots?
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A.
Lateral meristem
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B.
Apical meristem
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C.
Intercalary meristem
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D.
Cork cambium
Solution
Apical meristem is responsible for the primary growth, leading to an increase in length of roots and shoots.
Correct Answer: B — Apical meristem
Q. Which type of plant tissue is involved in the healing of wounds?
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A.
Parenchyma
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B.
Phloem
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C.
Cork cambium
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D.
Sclerenchyma
Solution
Parenchyma tissue can help in healing wounds due to its ability to divide and differentiate into various cell types.
Correct Answer: C — Cork cambium
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