Ecosystem Multiple Choice Questions and Answers for Practice

16. Rain during November is more acidic than monsoon rain due to

1. dissolved CO2
2. dissolved SO2
3. dissolved NO2
4. none of the above.

17. The word Biophilia was coined by

1. Dr. Hackel
2. Dr. Johanssen
3. Dr. Benjamine
4. E. O. Wilson

18. An ecosystem gradually merges with an adjoining one through a transitional zone is called the ............................

1. Ecological niche
2. ecological footprint
3. ecotone
4. shore effect

19. Study of inter-relationship between organisms and their environment is

1. Ecology
2. Ecosystem
3. Phytogeography
4. Ethology

20. The phenomenon of occurrence of additional species found in the ecotone or transitional zone between adjoining ecosystems is known as ............................

1. Edge effect
2. Root effect
3. Raman effect
4. Coolidge effect

21. The term Eco implies

1. Environment
2. Ecotone
3. Ecotourism
4. Soil

22. ............................ trees shed their leaves during winter and hot summer.

1. ever green
2. coniferous
3. deciduous
4. Shola

23. Forests grow in high rain fall areas are

1. ever green forests
2. temperate forests
3. conifers
4. Tundra

24. The forests which occur in law rain fall area is

1. Evergreen forests
2. deciduous forests
3. Coniferous forest
4. all the above

25. A set of organisms that resemble one another in appearance and behavior is called a ............................

1. Exons
2. Prions
3. Species
4. guilds

26. When number of food chains is interlocked this is called

1. food link
2. food chain
3. food web
4. pyramid

27. Complex interlinked food chains are called

1. Food Web
2. Food net work
3. Trophic levels
4. Food pyramid

28. All the genes of a population is called

1. gene pool
2. genome
3. gene bunch
4. gene population

29. The first trophic level in a food chain

1. Green Plants
2. Herbivores
3. Carnivores
4. Bacteria

30. The species that flower are called

1. gymnosperms
2. bryophytes
3. angiosperms
4. algae