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NECO SSCE Biology 2006 past questions and answers

This 2006 NECO SSCE Biology set has 40 practice questions. Try these 5 free sample questions, tap a question to reveal the answer and explanation. Then practise the whole 2006 set with instant marking.

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Sample NECO SSCE Biology 2006 questions

1. A grassland producer stores 10,000 kJ of energy, and 10% is transferred to the herbivores feeding on it; how much energy is transferred to the herbivores?
  1. 1,000 kJ
  2. 100 kJ
  3. 5,000 kJ
  4. 9,000 kJ

Answer: A. 1,000 kJ

Ten per cent of 10,000 kJ is 1,000 kJ.

2. Which organisms mainly return mineral nutrients to the soil by breaking down dead plants and animals?
  1. Green plants
  2. Bacteria and fungi
  3. Herbivores
  4. Parasites

Answer: B. Bacteria and fungi

Bacteria and fungi decompose organic remains and release mineral nutrients.

3. Which process removes carbon dioxide from the atmosphere and incorporates its carbon into organic molecules?
  1. Combustion
  2. Respiration
  3. Photosynthesis
  4. Decomposition

Answer: C. Photosynthesis

Photosynthetic organisms use atmospheric carbon dioxide to make organic compounds.

4. A survey finds 240 antelopes in a reserve covering 8 hectares; what is the population density?
  1. 1,920 antelopes per hectare
  2. 248 antelopes per hectare
  3. 32 antelopes per hectare
  4. 30 antelopes per hectare

Answer: D. 30 antelopes per hectare

Population density is 240 divided by 8, which equals 30 antelopes per hectare.

5. Which action is an example of in-situ conservation of an endangered Nigerian species?
  1. Protecting the species in its natural habitat
  2. Keeping every individual in a laboratory
  3. Preserving only its DNA in a freezer
  4. Moving all individuals to a zoo

Answer: A. Protecting the species in its natural habitat

In-situ conservation protects organisms within their natural habitats.

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