A. Primary producer
B. Secondary consumer
C. A decomposer
D. Herbivores
Related Mcqs:
- Ecosystem has two components:
A. Plants and animals
B. Weeds and trees
C. Biotic and abiotic
D. Frogs and men - The minimum number of components required for an ecosystem to survive:
A. Producer and primary consumer
B. Producer and decomposer
C. Primary consumer and decomposer
D. Primary and secondary consumer
E. Producer and secondary consumer - The decomposers in an ecosystem constitute the following trophic level:
A. T1
B. T3
C. T5
D. T4 - The non-green plants are as important as the green plants because they:
A. Cause human disease
B. Cause diseases of other plants
C. Are useful in several industries
D. Bring about decomposition of dead animals and plant remains - The flow of materials and energy in an ecosystem is respectively:
A. Cyclic only
B. Cyclic and linear
C. Linear and cyclic
D. Linear only - Energy transfer from one trophic level to other in a food chain is:
A. 1%
B. 2%
C. 10%
D. 20% - Energy enters into the ecosystem through:
A. Herbivores
B. Carnivores
C. Producers
D. Decomposers - The temperate broad-leaf forest biomes are characterized by the predominance of
A. Cupressus sp.
B. Dalbergia sp.
C. Diospyros sp.
D. Quercus sp. - Hygrophytes (Moisture loving plants) means:
A. The pants are usually stunted in growth
B. Roots and stem are poorly developed
C. Leaves are large and tend to avoid water less lam transpiration
D. All of the above - The characteristics of the original group system was the undulating profile of the regenerated corp obtained by reason of the considerable variation in age between the groups of regeneration:
A. Gayer’s line
B. Group system
C. Clear strip system
D. None of these
