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Class 12 Biology
Organisms And Populations Chapter 13
Quiz 1
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Animals undergo an inactive stage during the winter known as
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Adaptation
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Hibernation
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Aestivation
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Acclimatisation
The basic unit of study in ecology is
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Population
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Species
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Organism
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Community
Xerophytes are mostly
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Succulents
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Water related
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Mesophytes
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None of the above
A large regional unit characterised by a major vegetation type and associated fauna found in a specific climate zone constitutes
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Biological community
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Ecosystem
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Biome
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Habitat
The plants of this group are adapted to live partly in water and partly above the substratum and free from water:
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Xerophytes
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Thallophytes
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Hydrophytes
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Helophytes
Broad-leaved oak forests are found in
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Mediterranean evergreen forest
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North coniferous forest
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Tropical deciduous forest
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Temperate deciduous forest
Organisms capable of maintaining constant body temperature are
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Poikilothermal
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Conformers
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Stenothermal
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Homeothermal
Excessive aerenchyma is a characteristic feature of
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Mesophytes
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Heliophytes
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Hydrophytes
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Xerophytes
Cold-blooded animals fall under the category of
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Psychotherms
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Ectotherms
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Thermophiles
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Endotherms
Biological organisation starts with
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Cellular level
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Atomic level
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Submicroscopic molecular level
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Organismic level
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