CSEC Biology

PPO Set 1

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Q1
The GREATEST threat to the survival of coral reefs is:
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Q2
Replanting trees on a bare hillside is an example of:
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Q3
Which organism is a secondary consumer in the food chain: Algae → larvae → eel → pike?
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Q4
Which of the following materials are considered non-biodegradable?
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Q5
Which of the following would be the herbivore in the food chain: Algae → larvae → eel → pike?
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Q6
Which of the following organisms are MOST important in biodegradation?
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Q7
Which of the following options correctly defines a niche and a habitat?
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Q8
Which of the following features is used to classify a group of organisms as Class Insecta?
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Q9
Which of the following relationships may present harm to one of the organisms involved?
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Q10
Approximately 10% of the energy stored in food is available to the next organism in a food chain because:
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