Waec Biology 2010 Past Questions and Answers

Question 36:

• WAEC 2010

Which of the following is a biotic component of an ecosystem?

A. Soil
B. Rainfall
C. Light
D. Fungi

Question 37:

• WAEC 2010

A moss plant can withstand drought by means of its

A. Spores
B. Rhizoids
C. Antheridia
D. Achegonia

Question 38:

• WAEC 2010

Which of the following factors is the main problem facing xerophytic plants?

A. Competition for sunlight
B. Conservation of excess water
C. Inadequate roots for water absorption
D. Lack of adequate water

Question 39:

• WAEC 2010

The following are greenhouse gases except

A. Carbon dioxide
B. Chlorofluorocarbon
C. Methane
D. Oxygen

Question 40:

• WAEC 2010

Rural-urban migration in developing countries can be prevented by

A. Increasing the number of years in school
B. Putting up more factories in urban areas
C. Having boarding schools in rural areas
D. Even distribution of facilities in both regions