Structural Organization in Animals and Plants
Q. In which part of the plant does the majority of water absorption occur?
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A.
Stems
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B.
Leaves
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C.
Roots
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D.
Flowers
Solution
Roots are primarily responsible for the absorption of water and nutrients from the soil.
Correct Answer: C — Roots
Q. What is the role of stomata in plant leaves?
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A.
Water storage
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B.
Gas exchange
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C.
Nutrient absorption
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D.
Support
Solution
Stomata are small openings on the leaf surface that allow for gas exchange, including the intake of carbon dioxide and release of oxygen.
Correct Answer: B — Gas exchange
Q. What type of root system is characterized by a single main root with smaller lateral roots?
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A.
Fibrous root system
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B.
Taproot system
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C.
Adventitious root system
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D.
Modified root system
Solution
A taproot system features a single dominant root that grows deeper into the soil, with smaller lateral roots branching off.
Correct Answer: B — Taproot system
Q. What type of tissue is responsible for the growth of plants?
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A.
Dermal tissue
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B.
Vascular tissue
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C.
Meristematic tissue
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D.
Ground tissue
Solution
Meristematic tissue consists of undifferentiated cells that can divide and contribute to plant growth.
Correct Answer: C — Meristematic tissue
Q. Which structure in plants is primarily involved in reproduction?
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A.
Roots
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B.
Leaves
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C.
Flowers
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D.
Stems
Solution
Flowers are the reproductive structures in angiosperms, facilitating pollination and seed production.
Correct Answer: C — Flowers
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