Plant Growth and Development - Case Studies
Q. What environmental factor is most critical for seed germination?
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A.
Light
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B.
Temperature
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C.
Soil type
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D.
Humidity
Solution
Temperature is a critical factor for seed germination, as it affects metabolic processes.
Correct Answer: B — Temperature
Q. What is the primary function of auxins in plant development?
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A.
Promote flowering
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B.
Stimulate root growth
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C.
Regulate fruit ripening
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D.
Inhibit leaf abscission
Solution
Auxins primarily stimulate root growth and are involved in various developmental processes.
Correct Answer: B — Stimulate root growth
Q. Which plant structure is primarily involved in water transport?
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A.
Phloem
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B.
Xylem
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C.
Cortex
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D.
Pith
Solution
Xylem is responsible for the transport of water and minerals from roots to other parts of the plant.
Correct Answer: B — Xylem
Q. Which type of plant is characterized by having a vascular system and producing seeds?
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A.
Bryophytes
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B.
Ferns
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C.
Gymnosperms
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D.
Mosses
Solution
Gymnosperms are vascular plants that produce seeds, often in cones.
Correct Answer: C — Gymnosperms
Q. Which type of plant reproduction involves the formation of seeds?
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A.
Asexual reproduction
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B.
Vegetative propagation
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C.
Sexual reproduction
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D.
Budding
Solution
Sexual reproduction in plants involves the formation of seeds through fertilization.
Correct Answer: C — Sexual reproduction
Q. Which type of plant reproduction involves the fusion of male and female gametes?
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A.
Asexual reproduction
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B.
Vegetative propagation
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C.
Sexual reproduction
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D.
Apomixis
Solution
Sexual reproduction involves the fusion of male and female gametes to form a zygote.
Correct Answer: C — Sexual reproduction
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