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This is an MCQ-based quiz on the topic of Ecosystem: Biotic and Abiotic.
This includes Structure of Ecosystem, Biotic Components, Abiotic Components, Terrestrial Ecosystem, Aquatic Ecosystem, Ecological Pyramids, Ecological Succession, and many more.
In an ecosystem, which one of the following types of entities occupies more than one trophic level?
The rate at which food energy is assimilated at the trophic level of consumers is known as
This entity will be the first one to colonize a bare rock
This ecosystem has the maximum biomass
At the producer level, if 20J of energy is trapped, then how much energy will be available to a peacock as food in the subsequent chain? Plant -> Mice -> Snake -> Peacock
During ecological succession ________.
Types and numbers of animals remain constant
Establishment of a new biotic community is fast in its primary phase
Predictable and gradual changes in species composition take place in a given area
Changes lead to a community that is in near equilibrium with the environment and is referred to as pioneer community
________ are the primary producers of the deep-sea hydrothermal vent ecosystem.
Blue-green algae
Coral reefs
Chemosynthetic bacteria
Green algae
Limitations of ecological pyramids involve all these statements, except
They assume a simple food chain and do not consider food webs
In the ecological pyramids, saprotrophs are not given any place
They do not take into account the same species belonging to two or more trophic levels
They do not represent relationships between organisms at different trophic levels
In an ecosystem, Secondary consumers are
Plants
Herbivores
Carnivores
Omnivores
An ecosystem does not include?
Solar Energy
Materials from outside
Chemical Energy
Food Energy
