Ecosystem MCQ Practice Test

Question 1

An ecosystem is best defined as:

Accepted Answer

A functional unit of nature where organisms interact among themselves and with the physical environment

Answer

The vertical layering of plants in a forest

Answer

A community of plants only

Answer

A group of organisms of the same species

Question 2

Which of the following is a TERRESTRIAL ecosystem?

Accepted Answer

Grassland

Answer

Lake

Answer

Estuary

Answer

Wetland

Question 3

Which of these is a MAN-MADE ecosystem?

Accepted Answer

Aquarium

Answer

Desert

Answer

Wetland

Answer

Estuary

Question 4

The vertical distribution of different species occupying different levels is called:

Accepted Answer

Stratification

Answer

Zonation

Answer

Standing crop

Answer

Species composition

Question 5

Identification and enumeration of plant and animal species of an ecosystem gives its:

Accepted Answer

Species composition

Answer

Productivity

Answer

Stratification

Answer

Standing crop

🌍 Ecosystem MCQs