Q31. Which plant division includes plants that are commonly used in the production of peat moss?
a) Bryophyta
b) Pteridophyta
c) Gymnosperms
d) Angiosperms
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Correct Answer: a) Bryophyta
Explanation: Bryophyta, particularly mosses, are commonly used in the production of peat moss, which is used in gardening and horticulture for soil conditioning and moisture retention.
Q32. Which plant division includes plants commonly used for their edible fruits and vegetables?
a) Bryophyta
b) Pteridophyta
c) Gymnosperms
d) Angiosperms
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Correct Answer: d) Angiosperms
Explanation: Angiosperms, or flowering plants, include a wide variety of plants used for their edible fruits and vegetables, such as apples, tomatoes, carrots, and broccoli.
Q33. Which plant division includes plants that reproduce via spores dispersed by the wind?
a) Bryophyta
b) Pteridophyta
c) Gymnosperms
d) Angiosperms
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Correct Answer: b) Pteridophyta
Explanation: Pteridophyta, or ferns and their allies, reproduce via spores that are dispersed by the wind. The spores germinate to form a gametophyte, which then produces gametes for sexual reproduction.
Q34. Which plant division includes plants that have seeds enclosed within a protective structure called a “fruit”?
a) Bryophyta
b) Pteridophyta
c) Gymnosperms
d) Angiosperms
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Correct Answer: d) Angiosperms
Explanation: Angiosperms have seeds enclosed within a protective structure called a fruit, which aids in seed dispersal and protection.
Q35. Which plant division includes plants that are commonly used for the production of essential oils and perfumes?
a) Bryophyta
b) Pteridophyta
c) Gymnosperms
d) Angiosperms
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Correct Answer: d) Angiosperms
Explanation: Angiosperms, particularly flowering plants, are commonly used for the production of essential oils and perfumes due to the aromatic compounds found in their flowers, leaves, or fruits.
Q36. Which plant division includes plants commonly used for the production of pharmaceutical drugs?
a) Bryophyta
b) Pteridophyta
c) Gymnosperms
d) Angiosperms
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Correct Answer: d) Angiosperms
Explanation: Angiosperms are commonly used for the production of pharmaceutical drugs due to the presence of bioactive compounds with medicinal properties in their leaves, roots, or seeds.
Q37. Which plant division includes plants that are commonly used for their fibrous material in the production of textiles?
a) Bryophyta
b) Pteridophyta
c) Gymnosperms
d) Angiosperms
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Correct Answer: d) Angiosperms
Explanation: Angiosperms, particularly certain species of plants like cotton (Gossypium spp.) and flax (Linum usitatissimum), are commonly used for their fibrous material in the production of textiles.
Q38. Which plant division includes plants commonly used for their oil-rich seeds?
a) Bryophyta
b) Pteridophyta
c) Gymnosperms
d) Angiosperms
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Correct Answer: d) Angiosperms
Explanation: Angiosperms include many plants that produce oil-rich seeds, such as sunflower (Helianthus annuus), soybean (Glycine max), and olive (Olea europaea), which are used for cooking oil and biodiesel production.
Q39. Which plant division includes plants commonly used for their wood in construction and furniture making?
a) Bryophyta
b) Pteridophyta
c) Gymnosperms
d) Angiosperms
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Correct Answer: c) Gymnosperms
Explanation: Gymnosperms, particularly conifers like pine, spruce, and cedar, are commonly used for their wood in construction, furniture making, and paper production due to their straight grain and durability.
Q40. Which plant division includes plants commonly used in traditional herbal medicine?
a) Bryophyta
b) Pteridophyta
c) Gymnosperms
d) Angiosperms
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Correct Answer: d) Angiosperms
Explanation: Angiosperms are commonly used in traditional herbal medicine for their medicinal properties. Many plants, such as ginseng (Panax ginseng) and echinacea (Echinacea purpurea), are valued for their therapeutic effects on human health.