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CSS :: Ecology and General Silviculture


41.  The trophic level of lion is a forest ecosystem is:
A. T3 B. T4
C. T2 D. T1

42.  The pyramid of energy is always:
A. Inverted B. Upright
C. Both of these/Horizontal D. Inverted in forest ecosystem

43.  The driving force of the ecosystem is:
A. Carbohydrates in plants B. Biomass
C. Solar energy D. Producers

44.  In forest ecosstem, pyramid of number is:
A. Upright B. Inverted
C. Any of the two D. None of the above

45.  Which is a primary consumer?
A. Scavenger B. Saprophyte
C. Carnivore D. Herbivore

46.  The transfer of energy from organism to organism is a natural community establishes:
A. Food chains B. Biological control
C. Natural barriers D. All the above

47.  Which of the following is non-renewable source of energy:
A. Mineral B. Water
C. Forest D. Solar energy

48.  Tip of ecological pyramid is occupied by:
A. Herbivores B. Carnivores
C. Producers D. None of these

49.  If precise quantitative measurements are made on a convined ecosystem in a laboratory, we will find amounts of which of the following to be a one-way flow rather than cyclic?
A. Carbon B. Potassium
C. Nitrogen D. Free energy

50.  The decomposers in an ecosystem constitute the following trophic level:
A. T1 B. T3
C. T5 D. T4




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