ECOLOGY - Jamb Biology Past Questions and Answers

Question 71:

• JAMB 1986

The following are methods of soil conservation EXCEPT

A. Contour terracing
B. Strip cropping
C. Contour ploughing
D. Mixed grazing

Question 72:

• JAMB 1986

Sample of different soil types are packed in glass tubes whose lower ends are plugged with cotton wool, if these tubes are suspended in a trough of water, water will rise highest after a few hours in

A. Sand
B. Loamy
C. Clay
D. Humus

Question 73:

• JAMB 1987

Which of the following relates to edaphic factors?

A. The structure of the earth's surface
B. The influence of living organisms on each other
C. Temperature, rainfall and humidity
D. The influence of soils on plant and animals

Question 74:

• JAMB 1987

Poliomyelitis is an infectious diseases caused by

A. Virus
B. Protozoan
C. Bacterium
D. Fungus

Question 75:

• JAMB 1987

One of the functions of UNICEF is to

A. Prevent and control major disease
B. Prevent diseases outbreak by administering vaccines
C. Improve the health and nutrition of children and nursing mothers
D. Monitir enviromental pollution