Ecosystem MCQs with Answers

Convention on Biological Diversity aims to ?

• A.Conservation of biological diversity
• B.Sustainable use of its components
• C.Fair and equitable sharing of benefits from genetic resources
• D.All of these

Any plant or animal introduced from a foreign country is called _?

• A.Endemic
• B.Exotic
• C.Indigenous
• D.Native

A protected area with significant ecological, biological, cultural and scenic value belongs to IUCN category ?

• A.III
• B.IV
• C.V
• D.VI

Use of organisms, usually Prokaryotes, Fungi, or Plants, to detoxify polluted ecosystems is called?

• A.Biomagnification
• B.Bioremediation
• C.Bioaccumulation
• D.Bioaugmentation

Linkage of organisms dependent for their very existence on other organisms in the next lower trophic level is called?

• A.Food web
• B.Biogeochemical cycle
• C.Ecological pyramid
• D.Food chain

Past Paper MCQ

What are detritivores also called?

• A.Herbivores
• B.Producers
• C.Decomposers
• D.Carnivores

Population of Hydra follow survivorship curve type _?

• A.I
• B.II
• C.III
• D.IV

Non-living components that make up the environment are called?

• A.Biotic Components
• B.Organic Components
• C.Atmospheric Components
• D.Abiotic Components

What would be the correct sequence of a simple food chain in a terrestrial ecosystem?

• A.Eagle → Snake → Grasshopper → Grass
• B.Grass → Snake → Grasshopper → Eagle
• C.Grass → Grasshopper → Snake → Eagle
• D.Grasshopper → Grass → Eagle → Snake

Which is a secondary consumer that eats birds/mouse (primary consumers)?

• A.Cow
• B.Goat
• C.Rabbit
• D.Cat