Ecosystem MCQs with Answers

The dark-colored organic matter formed in the soil by the decomposition of animals and plants is referred to as ?

• A.Humus
• B.Loam
• C.Mulch
• D.Compost

Which of the following is the key factor that drives extinction vortex?

• A.Habitat destruction
• B.Loss of genetic variations
• C.Overhunting by predators
• D.Climate change

What time is required for the regeneration of renewable resources?

• A.1-300 years
• B.300-500 years
• C.500-1000 years
• D.More than 1000 years

A place where an organism or population naturally occurs is called ?

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

Past Paper MCQ

The Structural and Functional Unit of Environment is ?

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

Which of the following ethics emphasizes on anthropocentric value of nature?

• A.Resource conservation ethic
• B.Biocentric ethic
• C.Ecocentric ethic
• D.Land ethic

Population that follows survivorship _ shows a steady death of individuals per unit time throughout the life.

• A.Type 1
• B.Type 2
• C.Type 3
• D.None of these

Air, water, sun, land, rocks and light etc. is/are an examples of?

• A.Biotic components
• B.Organic components
• C.Abiotic components
• D.Living components

The study of ecological effects of animal behaviour is called as _?

• A.Ethology
• B.Sociobiology
• C.Behavioral ecology
• D.Eco-physiology

Pond is an example of which type of ecosystem?

• A.Artificial ecosystem
• B.Complete ecosystem
• C.Incomplete ecosystem
• D.Terrestrial ecosystem