Ecosystem MCQs with Answers

Past Paper MCQ

Which of the vertebrates have more number of endangered species in Pakistan?

• A.Birds
• B.Reptiles
• C.Mammals
• D.Amphibians

When two organisms interact in such a way that benefits both, it is called?

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

Zone reserve approach develops a _ around the reserve land?

• A.Buffer zone
• B.Transition zone
• C.Core zone
• D.All of these

A species that no longer lives anywhere on the earth is called _?

• A.Endangered species
• B.Threatened species
• C.Vulnerable species
• D.Extinct species

Variability among living organisms is called?

• A.Biodiversity
• B.Ecology
• C.Genetics
• D.Evolution

Identifying a biodiversity hot spot is difficult due to what reason?

• A.There is no universally accepted definition of biodiversity
• B.Biodiversity hot spots are too remote to access
• C.Hot spots constantly shift due to climate change
• D.Hot spot for one taxonomic group may not be for others

The actual location or place where an organism lives and reproduces is ?

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

In the absence of sunlight, the entire food chain would become?

• A.Inactive and Collapse
• B.More active and expand
• C.Unaffected and stable
• D.Slower but self-sustaining

Which pair of matter are biodegradable?

• A.Plastic and glass
• B.Meat and paper
• C.Aluminum and rubber
• D.Nylon and steel

Which of the following statement is correct for survival of a population?

• A.Population with low genetic diversity can survive
• B.Genetic diversity has no effect on population survival
• C.Population with high genetic diversity can survive
• D.Only population size determines survival