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Waec Biology Past Questions and Answers

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Waec Biology Past Questions

Question 1716:


Which of the following ecological factors will result in food shortage?

A. Drought
B. Low rate of reproduction
C. Emigration
D. Topography


Question 1717:


Soil permeability refers to

A. How easily water passes through the soil
B. The proportion of air in the soil
C. The proportion of water the soil holds
D. How well water rises up the soil


Question 1718:


Which of the following groups of organisms do not have members that can be called autotrophs?

A. Protists
B. Mosses
C. Chlorophyta
D. Fungi


Question 1719:


Which of the following pyramids gives the most accurate picture of the relationships between at the various trophic levels in a food chain? A pyramid of

A. Numbers
B. Energy
C. Biomass
D. Size


Question 1720:


Which of the following statements is not associated with pyramids of energy?

A. Efficiency of energy transfer between trophic levels can be studied
B. Comparisons of pyramids for different ecosystems can be made
C. More accurate comparisons of trophic levels
D. Representation of numbers of organisms at different trophic levels






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