ECOLOGY - Jamb Biology Past Questions and Answers

Question 241:

• JAMB 2008

The main ecological problem facing intertidal organisms is

A. Desiccation
B. Floatation
C. Salinity
D. Humidity

Question 242:

• JAMB 2008

An ecological factor that will have the most limiting effects on the abundance of phytoplankton in a turbid pond is

A. PH
B. Oxygen
C. Light
D. Temperature

Question 243:

• JAMB 2008

The easiest way to establish the level of pollution in a local stream is to measure the level of

A. Oxygen
B. Carbon (IV) oxide
C. Ammonia
D. Alkalinity

Question 244:

• JAMB 2008

In the diagram, if species i, ii and iii interact in a community, which of the following statement is true?

A. The population of species ii is growing at a slow rate
B. The population of species iii has reached its carrying capscity?
C. The population of species I has become extinct
D. The population of species I is always

Question 245:

• JAMB 2008

In the diagram, the population size of species II on the 20th day is

A. 100
B. 200
C. 300
D. 400