A. Group of plants, which act as the energy suppliers
B. Group of organisms which form population
C. Functional unit for ecological studies
D. None of these
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 - An ecosystem may be defined as:
A. A localized association of several plants and animals
B. Different communities of plants, animals and microbes, together with their physico-chemical environments
C. Different communities of plants and microbes plus their physico-chemical environments
D. None of the above - 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 concepts of population dynamics and carrying capacity lead to management of wildlife which may be defined as:
A. Art
B. Science of manipulating the centrum of wild animal populations to meet specific objectives
C. Both (a) & (b)
D. None of these - In natural ecosystem, decomposers include:
A. Only bacteria and fungi
B. Only microscopic animals
C. The above two types of organisms plus macroscopic animals
D. Only the above two types of organisms - The pyramid of biomass in a forest ecosystem is:
A. Upright
B. Inverted
C. Rhomboidal
D. Linear - The rate at which light energy is converted into chemical energy of organic molecules is the ecosystem’s:
A. Net primary productivity
B. Gross secondary productivity
C. Net secondary productivity
D. Gross primary productivity - In a terrestrial ecosystem such as forest maximum energy lies in which trophic level?
A. T1
B. T2
C. T3
D. T4 - The fungi in a forest ecosystem act as:
A. Macroconsumer
B. Decomposer
C. Omnivore
D. Producer - Components of ecosystem are:
A. Abiotic
B. Biotic
C. Both (a) & (b)
D. None of these