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NECO SSCE Biology 2001 past questions and answers

This 2001 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 2001 set with instant marking.

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Sample NECO SSCE Biology 2001 questions

1. In a grassland food chain, which statement best explains why less energy is available to a hawk than to a grasshopper?
  1. Energy is lost as heat and in waste at each transfer
  2. Energy is created only by consumers
  3. The hawk converts all its food into body tissue
  4. Grasshoppers contain no chemical energy

Answer: A. Energy is lost as heat and in waste at each transfer

Much energy is used in life processes or lost as heat and waste at every trophic transfer.

2. Which term describes the role of an organism in its habitat, including how it obtains food and interacts with other organisms?
  1. Population
  2. Niche
  3. Biome
  4. Community

Answer: B. Niche

An organism's niche is its functional role and way of life within an ecosystem.

3. A student estimates the abundance of a plant species using quadrats. Which practice is most likely to reduce sampling bias?
  1. Place every quadrat beside the largest plant
  2. Sample only the easiest part of the field to reach
  3. Select quadrat positions at random
  4. Use a different quadrat size at every position

Answer: C. Select quadrat positions at random

Random placement gives different parts of the study area a fair chance of being sampled.

4. On newly exposed bare rock, which organisms are most likely to establish first during primary succession?
  1. Large trees
  2. Earthworms
  3. Flowering shrubs
  4. Lichens

Answer: D. Lichens

Lichens can colonize bare rock and help form soil for later communities.

5. Which example is a parasitic relationship?
  1. A tapeworm absorbing nutrients from a person's intestine
  2. A bee obtaining nectar while pollinating a flower
  3. A remora travelling beside a shark without harming it
  4. Two trees competing for sunlight

Answer: A. A tapeworm absorbing nutrients from a person's intestine

A tapeworm benefits by taking nutrients while its human host is harmed.

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