Waec Biology Past Questions and Answers

Question 1886:

• WAEC 1996

The following are pathways of energy in the biosphere
I. Heat energy is lost from body metabolism to the surrounding air II. Energy passes to decomposers and
parasites III. Energy is transferred to the next higher level in a food chain IV. Energy is also passed
by conduction to clothing and other objects


Which of the following pathways will energy follow to reach plasmodium in the red blood cells?

A. I, II and III
B. I and II
C. II only
D. III and IV
E. IV and I

Question 1887:

• WAEC 1996

What type of relationship exists in the large intestine of the sheep, between bacteria and the sheep?

A. Symbiosis
B. Commensalism
C. Predation
D. Parasitism
E. Saprophytism

Question 1888:

• WAEC 1996

The Tulgren’s funnel is used to

A. Extract minute soil organisms
B. Measure the amount of rainfall
C. Collect water from habitats
D. Pour liquid into containers with narrow mouth
E. Measure the volume of heavy liquids

Question 1889:

• WAEC 1996

Which of the following is not an aquatic habitat?

A. Estuaries
B. Ponds
C. Rainforest
D. Swamp
E. Salt lake

Question 1890:

• WAEC 1996

Which of these materials is not required for insect collection in an ecological field-trip?

A. Pooter
B. Secchi disc
C. Spreading board
D. Jar containing alcohol
E. Sweep net