Ecosystem MCQs with Answers

Causes of depletion of wildlife are ?

• A.Habitat destruction
• B.Overhunting and poaching
• C.Climate change and pollution
• D.All of these

Houbara Bustard is one of the migratory birds, which is on the endangered list. What is it called locally?

• A.Tiloor
• B.Chakor
• C.Sisai
• D.Koonj

Members of one species inhabiting an area are called ?

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

What is the key role of decomposers?

• A.Produce oxygen through photosynthesis
• B.Break down dead animals
• C.Fix atmospheric nitrogen
• D.Pollinate flowering plants

A population with a high number of young individuals as compared to older organisms is called ?

• A.Progressive
• B.Regressive
• C.Stationary
• D.Declining

Past Paper MCQ

The bacteria and fungi belong to group of biotic component known as?

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

Which of the following fundamental factors is responsible for today's biodiversity crisis?

• A.Habitat destruction
• B.Climate change only
• C.Extinction of species
• D.Overpopulation of herbivores

Which step can help save the earth and natural resources?

• A.Use recycled and reusable material
• B.Use single-use plastic products
• C.Increase deforestation for development
• D.Burn waste in open air

An area owned by the Government and set aside for protection and preservation of its outstanding scenery, flora and fauna in natural state and it is accessible to the public for recreation, education and research activities is called _?

• A.Wildlife Sanctuary
• B.National Park
• C.Biosphere Reserve
• D.Botanical Garden

The transfer of energy from producers to consumers and then to decomposers is known as _?

• A.Food Web
• B.Food Chain
• C.Ecological Pyramid
• D.Biogeochemical Cycle