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Waec 1993 Biology Past QuestionsQuestion 36:Sea water taken in by a living organism can be recycled into the atmosphere through all the following processes except A. Transpiration B. Digestion C. Excretion D. Respiration E. Decay Question 37:Which of the following water pollutant may contain organisms that cause dysentery? A. Pesticides B. Sewage C. Industrial wastes D. Fertilizers E. Crude oil. Question 38:Which of the following is not an adaptation of plants or animals to desert environment? A. Well developed tap root system B. Small leaves with thick Epidermis C. Stems with spike-like leaves D. Metabolic waste in the form of uric acid in some animals E. Broad leaves for storage Question 39:A climax community is characterised by A. A stable composition of plant and animal species B. Rapid changes in the composition of species C. Constant changes in appearance of the habitat D. Different species occurring at different times E. Gradual change in animal population Question 40:Which of the following is not a characteristic of overcrowding in plant and animal community? A. Population outstripping available space B. Population exceeding available food C. Competition within the population D. Increase in primary production E. Population increasing at the same rate as the birth rate |
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