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1.1 The Environment — Test 1
Q1. Bergmann's rule states that, within a warm-blooded species, populations living in colder climates tend to have:✓ Larger body size
Q2. Allen's rule explains that animals adapted to cold regions tend to have:✓ Shorter, smaller extremities
Q3. Gloger's rule describes the tendency of animals in warm, humid regions to be:✓ More heavily (darkly) pigmented
Q4. Jordan's rule states that fishes in colder waters tend to have:✓ A greater number of vertebrae
Q5. The smaller surface-area-to-volume ratio of a large-bodied animal directly helps it to:✓ Conserve body heat
Q6. Match List I (ecogeographic rule) with List II (character it governs):✓ A-iii, B-iv, C-ii, D-i
Q7. Species diversity generally shows which pattern with respect to latitude?✓ Increases towards the equator
Q8. The non-living physical and chemical factors of an organism's surroundings are collectively called the:✓ Abiotic environment
Q9. Which of the following is an example of an edaphic factor?✓ Soil
Q10. Organisms that can tolerate only a narrow range of temperature are described as:✓ Stenothermal
Q11. Organisms able to tolerate a wide range of salinity are termed:✓ Euryhaline
Q12. In ecology, the correct sequence of increasing levels of organisation is:✓ Individual → population → community → ecosystem
Q13. A large geographical region characterised by its dominant vegetation and climate is called a:✓ Biome
Q14. Liebig's 'Law of the Minimum' states that the growth of a population is controlled by:✓ The single resource that is most scarce relative to need
Q15. Shelford's 'Law of Tolerance' states that the distribution of a species is controlled by:✓ The range between minimum and maximum limits of each environmental factor
Q16. The principle of the 'holocoenotic' nature of the environment means that:✓ Every factor affects and is affected by every other factor
Q17. Which gas makes up the largest proportion of the Earth's present atmosphere?✓ Nitrogen
Q18. The thin zone of the Earth where all life exists, integrating land, water and air, is the:✓ Biosphere
Q19. Poikilothermic (ectothermic) animals are those whose body temperature:✓ Varies with the surrounding environment
Q20. The temperature-driven layering of a lake into warm surface and cold deep waters is called:✓ Thermal stratification