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NECO SSCE Biology 2019 past questions and answers

This 2019 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 2019 set with instant marking.

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Sample NECO SSCE Biology 2019 questions

1. Which cell structure regulates the movement of substances into and out of a living cell?
  1. Plasma membrane
  2. Cell wall
  3. Cytoplasm
  4. Nucleolus

Answer: A. Plasma membrane

The selectively permeable plasma membrane controls exchange between the cell and its surroundings.

2. A student uses a key in which each step offers two contrasting statements to identify an organism; what type of key is being used?
  1. Food key
  2. Dichotomous key
  3. Ecological key
  4. Chromosome key

Answer: B. Dichotomous key

A dichotomous key identifies organisms through a sequence of paired alternatives.

3. Which method is most suitable for comparing the distribution of grasses from the edge of a pond to drier ground?
  1. Capture-mark-release
  2. Random quadrat sampling only
  3. A transect with quadrats
  4. Counting organisms in a laboratory

Answer: C. A transect with quadrats

A transect with quadrats records how plant distribution changes along an environmental gradient.

4. Which feature is present in a typical plant cell but absent from a typical animal cell?
  1. Cytoplasm
  2. Cell membrane
  3. Mitochondrion
  4. Cellulose cell wall

Answer: D. Cellulose cell wall

A cellulose cell wall is characteristic of plant cells and is absent from animal cells.

5. A potato strip gains mass after being placed in distilled water; which process best explains the change?
  1. Diffusion of starch out of the strip
  2. Osmosis of water into the cells
  3. Active transport of water into the cells
  4. Evaporation of water from the strip

Answer: B. Osmosis of water into the cells

Water moves by osmosis from the dilute surrounding solution into the potato cells.

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