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