Plant Growth and Development - Real World Applications
Q. What is the role of chlorophyll in plants?
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A.
Water absorption
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B.
Nutrient transport
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C.
Light absorption for photosynthesis
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D.
Root growth
Solution
Chlorophyll is the pigment that absorbs light energy for photosynthesis.
Correct Answer: C — Light absorption for photosynthesis
Q. What is the significance of photoperiodism in plants?
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A.
Regulating water loss
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B.
Controlling flowering time
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C.
Enhancing photosynthesis
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D.
Increasing root growth
Solution
Photoperiodism is the response of plants to the length of day and night, which controls flowering time.
Correct Answer: B — Controlling flowering time
Q. Which process allows plants to convert light energy into chemical energy?
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A.
Respiration
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B.
Photosynthesis
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C.
Transpiration
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D.
Fermentation
Solution
Photosynthesis is the process by which plants convert light energy into chemical energy stored in glucose.
Correct Answer: B — Photosynthesis
Q. Which type of plant is adapted to survive in arid environments?
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A.
Hydrophytes
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B.
Xerophytes
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C.
Mesophytes
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D.
Halophytes
Solution
Xerophytes are plants adapted to survive in arid environments with limited water availability.
Correct Answer: B — Xerophytes
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