Ecosystem MCQs with Answers

What is the substance that causes undesirable change to the environment?

• A.Contaminant
• B.Carcinogen
• C.Toxin
• D.Pollutant

What is Ecology?

• A.Study of heredity and variation in living organisms
• B.Study of rocks, minerals, and the Earth's physical structure
• C.Study of celestial bodies and the universe
• D.Study of the environment and the interrelationships between organisms and their surroundings

The association between two different types of organism which get benefit to each other, cannot live without each other is called?

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

Desert, grassland, forest, highland, valley, urban, rural is/are examples of?

• A.Aquatic Environments
• B.Land Environments
• C.Artificial Environments
• D.Atmospheric Environments

Rainforest is best described as _?

• A.A dense forest with high rainfall and biodiversity
• B.A dry grassland with scattered trees and shrubs
• C.A cold, treeless biome with permafrost
• D.A wetland dominated by grasses and reeds

Organisms that eat all the dead and waste products of producers and consumers are called?

• A.Scavengers
• B.Decomposers
• C.Parasites
• D.Herbivores

The capacity of the planet's ecosystem to provide services will be reduced if _?

• A.Renewable energy use increases
• B.Human population decreases
• C.Biodiversity reduces
• D.Forest cover expands

Biodiversity study can be divided into three types _?

• A.Primary, secondary, tertiary
• B.Alpha, delta, omega
• C.Alpha, beta, gamma
• D.Genetic, species, ecosystem