A. Producer and primary consumer
B. Producer and decomposer
C. Primary consumer and decomposer
D. Primary and secondary consumer
E. Producer and secondary consumer
Related Mcqs:
- In a comparative study of grassland ecosystem and pond ecosystem it may be observed that:
A. Primary and secondary consumers are similar
B. Both biotic and abiotic components are different
C. The biotic components are almost similar
D. The abiotic components are almost similar - Ecosystem has two components:
A. Plants and animals
B. Weeds and trees
C. Biotic and abiotic
D. Frogs and men - The two major functional components of an ecosystem are:
A. Energy flow and food chain
B. Mineral recycling and energy flow
C. Food chain and decomposers
D. Energy flow and decomposers - The biotic and abiotic components of the ecosystem are connected through:
A. Standing quality
B. Climatic regime
C. Transducers
D. Humification and mineralization - In an ecosystem in abiotic components which of the following occurs?
A. Flow of energy
B. Cycling of material
C. Consumption of materials
D. Flow of energy and cycling of materials - Biotic components of an ecosystem include:
A. Producers only
B. Consumers only
C. Producers and Consumers only
D. Producers, consumers and decomposers - Which are the biotic components of forest ecosystem?
A. Producers
B. Decomposers
C. Consumers
D. All of the above - Components of ecosystem are:
A. Abiotic
B. Biotic
C. Both (a) & (b)
D. None of these - Exotic species, which brought for plantation from some other country to our country or even from one ecosystem to other ecosystem are called, as exotic species like:
A. Pinus nigra – Japan
B. Euralyptus – Australia
C. Polunia – China
D. All of the above - The primary productivity is minimum in the following ecosystem:
A. Tropical rainforest
B. Temperate grassland
C. Tropical deciduous forest
D. Desert shrub
