Which of the following ratios agrees with the result?

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The largest game reserve in Nigeria is the

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The following agencies are responsible for conservation in Nigeria except

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Which of the following is the underling principle in the adoption of biological control of pests?

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Which of the following substances cannot control the growth of harmful microoganisms?

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The use of predators or parasites to control pests in the farm is known as

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Which of the following is not a characteristic of overcrowding in plant and animal community?

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A climax community is characterised by

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Which of the following best describes a marine habitat?

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What type of relation exists between a tapeworm and an infected mammal?

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Which of the following organisms reduces nitrates in the soil to gaseous nitrogen?

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Which of the following mineral salts is a trace element?

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