Waec Biology 2001 Past Questions and Answers

Question 46:

• WAEC 2001

Which of the following is not promoted by high wind speed?

A. Rill erosion
B. Weathering of parent rock
C. Breeding of plant
D. Opening of stomata

Question 47:

• WAEC 2001

Micro-organisms which break down dead organisms and absorb their contents are called

A. Decomposers
B. Consumers
C. Parasites
D. Commensals

Question 48:

• WAEC 2001

The substances recycled in the soil by the activities of micro-organisms during the decay of dead organisms
are first utilized by the

A. Carnivores
B. Herbivores
C. Scavengers
D. Autotrophs

Question 49:

• WAEC 2001

Which of the following associations can upset the balance of nature?

A. Epiphitism
B. Parasitism
C. Symbiosis
D. Saprophytism

Question 50:

• WAEC 2001

Which of the following groups of factors do the Agama lizards compete for? I. Space II. Food III. Mates

A. Space and food only
B. Space and mates only
C. Food and mates only
D. Space, food and mates