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

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

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

The following are abiotic components of the ecosystem except _____ (WASSCE 2012)

A. bacteria.
B. topography.
C. water.
D. wind.

The table below shows the number of some organisms in habitat W and Y. study it and answer the question below:

The number of lions and antelopes in habitat Y shows that the lion ____ (WASSCE 2020)

A. is the prey while the antelope is the predator
B. is the predator while the antelope is the prey
C. and the antelope are preys to each other
D. and the antelopes are predators

The most important factor(s) that influence(s) the ecological niche of an organism is/are the ______ (WASSCE 2018)

A. water, light and predator-prey relationship.
B. food and water availability.
C. physical environment.
D. competition for food and space.