Biology Practice Test: Basic Ecological Concepts (Ecosystem) – Questions with Answers and Explanations

Tall trees with branched trunks which grow above the upper storey of the forest are commonly referred to as ______ (WASSCE 2019)

A. emergent
B. herbs
C. lianes
D. shrubs

Study the diagram of the zones of a marine habitat below;

In which of the zones can very few organisms be found? (WASSCE 2012)

Which of the following features is a characteristic of aquatic plants? Possession of _____ (WASSCE 2021)

A. multiple epidermis
B. heavily lignified tissue
C. finely divided leaves
D. succulent stem

A space containing a group of interactive organisms is called _____ (WASSCE 2012)

A. community
B. habitat
C. ecosystem
D. population

The diagram below is an illustration of organisms in an air-tight aquarium.

The most important factor needed by the organisms is ______ (WASSCE 2018)