Ecosystem MCQs with Answers

The species which are becoming near to extinction are called ?

• A.Endangered species
• B.Extinct species
• C.Vulnerable species
• D.Threatened species

Ecological role of fungi as decomposers is parallel only by

• A.Bacteria
• B.Viruses
• C.Algae
• D.Protozoa

The relationship of eating and being eaten is called?

• A.Food Web
• B.Food Chain
• C.Ecological Pyramid
• D.Trophic Level

Small plants (epiphytes) which grow on large trees for space to get better light is an example of _?

• A.Parasitism
• B.Commensalism
• C.Mutualism
• D.Predation

What are the surrounding habitats of a zone reserved called?

• A.Core zones
• B.Buffer zones
• C.Transition zones
• D.Peripheral zones

Examples of decomposers include ?

• A.Lions and tigers
• B.Algae and mosses
• C.Grasshoppers and rabbits
• D.Bacteria and fungi

Past Paper MCQ

The maximum population size of a species that can be sustained by a specific environment, given the available resources, is called what?

• A.Population density
• B.Biotic potential
• C.Carrying capacity
• D.Ecological niche

_ reaches pond water as a product of fish metabolism and decomposition of organic matter by bacteria.

• A.Ammonia
• B.Nitrate
• C.Nitrite
• D.Urea

Two or more populations of different species living and interacting in the same area are called _?

• A.Ecosystem
• B.Community
• C.Biome
• D.Habitat

Which of these are not found in the food web?

• A.Producers
• B.Consumers
• C.Air
• D.Decomposers