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WASSCE Integrated Science past questions: practise online

WASSCE Integrated Science draws on biology, chemistry, physics and agricultural science. Objectives move quickly between topics, so mixed timed papers are the best way to prepare.

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Practise WASSCE Integrated Science

5 sample Integrated Science questions

Answer each one, then tap “Show answer” to check.

  1. Question 1 · Acids, bases and salts · Objees practice question

    What is the pH of a neutral solution at 25 °C?

    1. A 0
    2. B 1
    3. C 14
    4. D 7
    Show answer

    D 7

    A neutral solution such as pure water has a pH of 7. Below 7 is acidic; above 7 is alkaline.

  2. Question 2 · Systems · Objees practice question

    Which organelle is known as the powerhouse of the cell?

    1. A ribosome
    2. B mitochondrion
    3. C nucleus
    4. D Golgi body
    Show answer

    B mitochondrion

    Mitochondria release energy from food through respiration, so they are called the powerhouse of the cell.

  3. Question 3 · Interactions of matter · Objees practice question

    Which gas is given off when zinc reacts with dilute hydrochloric acid?

    1. A oxygen
    2. B carbon dioxide
    3. C hydrogen
    4. D chlorine
    Show answer

    C hydrogen

    Metal + acid → salt + hydrogen. Zinc + hydrochloric acid → zinc chloride + hydrogen gas.

  4. Question 4 · Energy and electricity · Objees practice question

    What is the SI unit of electrical resistance?

    1. A ohm
    2. B volt
    3. C ampere
    4. D watt
    Show answer

    A ohm

    Resistance is measured in ohms (Ω). Volts measure voltage, amperes measure current and watts measure power.

  5. Question 5 · Crop production · Objees practice question

    Which of these soils holds the most water?

    1. A sandy soil
    2. B gravel
    3. C clay soil
    4. D loamy soil
    Show answer

    C clay soil

    Clay has the smallest particles and tiny pore spaces, so it holds the most water.

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