Waec Biology 2015 Past Questions and Answers

Question 26:

• WAEC 2015

Oil applied to the surface of water kills the larvae of mosquitoes through

A. Dehydration
B. Poisoning
C. Starvation
D. Suffocation

Question 27:

• WAEC 2015

Which of the following natural resources is most readily available to all organisms?

A. Oil
B. Water
C. Air
D. Food

Question 28:

• WAEC 2015

Which of the following resources is non-renewable?

A. Forest reserve
B. Mineral deposit
C. Water
D. Wild life

Question 29:

• WAEC 2015

Soil erosion could be prevented by

A. Flooding a farmland
B. Cover-cropping
C. Deforestation
D. Leaving the soil bare

Question 30:

• WAEC 2015

Which of the following statements about human blood groups is not true?

A. A is dominant over B
B. O is recessive
C. B is dominant over O
D. A and B are co-dominant