WASSCE 2024 Integrated Science Sample Questions

Senior High Final-year students preparing for the WASSCE 2024 Integrated Science are encouraged to solve the following sample questions:.

WASSCE 2024 Integrated Science Sample Questions

1. a) i) Define each of the following terms: ?) compound;
?) mixture
ii) State two differences between an element and a compound.
.
b) Explain each of the following terms:
i) greenhouse effect;
ii) climate change.
c) i) What is electrical rectification?
ii) Using simple wave diagrams, explain half-wave rectification.
d) State one way in which each of following environmental factors important to the life cycle of
crops:
i) rainfall;
ii) temperature;
iii) sunshine,
iv) wind.

2. a) i) Give three reasons why goats are not normally kept under the intensive system of
management.
ii) Name two diseases that affect rabbits.
b) i) Draw the structure of 11Na+
ii) State two differences between organic compounds and inorganic compounds.
c) i) What are decomposers?
ii) Name three common decomposers in an ecosystem.
d) i) Name three structures in the middle ear that help in the transmission of sound waves; ii)
Mention two ways in which earmuffs are important.

3. a) An electrical appliance rated 1.5 kW, 240 V is left running for 2 hours.

Calculate the i) current drawn;
ii) electrical energy consumed.
b) i) In what two ways does mulching help to conserve the soil?
ii) Give two examples of mulching
c) i) What is pollution?
ii) List three major atmospheric pollutants
d) i) State two benefits of each of the following minerals to the human body.

?) potassium;

?) calcium.
ii) Name one source of each of the minerals listed in d) (i).

4. a) i) State the method of preparing a salt from each of the following pairs of substances: a) dilute
tetraoxosulphate (VI) acid and dilute sodium hydroxide;
?) lead(ll) trioxonitrate(V) and sodium chloride
ii) Write a balanced equation for the reaction between lead(ll) trioxonitrate (V) and sodium
chloride.
b) i) What are tidal waves?
ii) State four ways in which water could be contaminated.
c) i) State two ways in which legumes are important in crop production.
ii) State three advantages of crop rotation.
d) i) State three qualities of a good thermometric liquid;
ii) Give two precautions that must be taken when using a liquid-in-gas thermometer.

5. a) State:
i) two functions of the placenta in mammals;
ii) two structural features of the placenta which adapt the placenta to its functions. b) Explain why
each Of the following pairs of molecules are an isotope.
i) [formular required]
ii) [formula required]
c) List five farming practices that check soil erosion.
d) i) Arrange the following stages of water treatment for public consumption in the correct order:
chlorination, sedimentation, screening, sand filtration, and aeration. ii) State the significance of each
of the following stages in water treatment: ? screening;
?) filtration;
Y) chlorination

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Now solve the final set of these WASSCE 2024 Integrated Science sample questions.
6. Question 6
a) State five post-planting practices on cereal farms to ensure a high yield. b) i) Define the mechanical
advantage of a simple machine.
ii) Give two examples of second-class levers.
c) i) Name four apparatus needed to prepare a standard solution.
ii) Calculate the volume of water needed to dilute 20 cm3 of 5.0 M HCI into 1.0 M HCI solution. [H- [1.0, Cl = 35.5]
d) i) State three differences between hypogeal germination and epigeal germination. ii) Give one
example of seeds that undergo:
?) hypogeal germination;
?) epigeal germination.

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Ensure that you do not only solve these WASSCE 2024 Integrated Science Sample Questions but also do well to revise the topics they are examined.

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