Ecosystem MCQs with Answers

Biotic components of ecosystems are _?

• A.Producers
• B.Consumers
• C.Decomposers
• D.All of these

Protected area managed mainly for wilderness is ?

• A.National park
• B.Wilderness area
• C.Wildlife sanctuary
• D.Biosphere reserve

The major unit of ecology is _?

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

Small Islands have high rates of extinction due to ?

• A.Small population size
• B.Limited genetic diversity
• C.Vulnerability to invasive species
• D.All of these

In wildlife accurate idea about population density of various species is essential.

• A.Census
• B.Survey
• C.Estimation
• D.Sampling

Past Paper MCQ

The relationship in which one organism lives on or inside another organism and benefits at the expense of the host is called:

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

The study of interaction of organisms with biotic and abiotic factors of an environment is called-

• A.Ecology
• B.Physiology
• C.Genetics
• D.Embryology

In wildlife strict laws should be enforced for wildlife protection.

• A.Legislation
• B.Observation
• C.Exploitation
• D.Negotiation

Generally, the wildlife is considered as ?

• A.Political asset of any country
• B.Cultural property of any country
• C.Economic resource of any country
• D.Natural heritage of any country

One species lives only in tree holes; another species lives only in streams. What sort of barrier exists between these two species?

• A.Habitat
• B.Reproductive
• C.Behavioral
• D.Geographical