Waec Biology Past Questions For Year 2005
Question 41
The density-dependent factors that operate to regulate a population size may include the following except
- A. shortage of food supply
- B. fire outbreak
- C. spread of diseases
- D. increased competition
Question 42
Which of the following organisms is well adapted for fluid feeding?
- A. Cockroach
- B. Mosquito
- C. Grasshopper
- D. Ants
Question 43
Which of the following processes does not contribute to the maintenance of the nitrogen content of the soil?
- A. Decomposition
- B. Denitrification
- C. Nitrification
- D. Nitrogen fixation
Question 44
In an ecosystem the organism which changes light energy into stored chemical energy is the
- A. consumer
- B. decomposer
- C. producer
- D. carnivore
Question 45
Variation which exhibits a wide range from one extreme to the other with very little difference between the intermediates is described as
- A. phenotypic
- B. discontinuous
- C. continuous
- D. genotypic
