2023 WASSCE Integrated science trial questions

The 2023 WASSCE Integrated science trial questions are well-structured questions to test the understanding of concepts in the various questions.

Students can use the questions for individual tests, group discussions and revision of the topics from which the questions were set.

Should in case you have challenges solving a particular question, go back to the text or your note and refresh your understanding by relearning the facts you have forgotten.

Integrated science is a core subject at the WASSCE 2023 hence these 2023 WASSCE Integrated science trial questions must be given all the seriousness they deserve.

1. (a) (i) What is corrosion?

(ii) State two factors that can promote corrosion.

(b) (i) What is biotic factor?

(ii) Explain how three biotic factors are useful in forest habitat.
(c) (i) What is the center of gravity of a body?

(c) Name the type of bonds present in each of the following substances;
(i) Ammonium chloride
(ii) Ethane
(iii) Carbon dioxide
(iv) Calcium Chloride

(d) Name three equipment used for harvesting fish from a pond.

(ii) Explain why a body balances at its center of gravity.

iii) State why it is important to treat water.

(iv) Enumerate five methods of improving upon the quality of
water for domestic use.

(iiv) Give four qualities of loam soil that makes it suitable
for crop production.

2 (a) (i) What is meant by excretion?

(ii) Give two excretory Products of each of the following organs:
(α) Lungs
(β) kidney
(γ) skin. 3marks

(b) (i) State three main difference between ice and water.
(ii) Give two reasons why the melting of ice is considered as
a physical change.

(c) (i) State the major components of soil.
(ii) Give two farming practices which prevent soil erosion.

d) (i) Name the most appropriate instrument for taking each of the following
measurements:
(α) diameter of a wire of radius 1.8mm,
(β) Length of piece of wood 11.5cm long,
(γ) Internal diameter of a beaker of radius 3.32cm.

(ii) Name three devices whose operations depend on the effect
of pressure on fluids.

3 (a) (i) What is a backyard garden?

(ii) State three factors that should be considered when choosing
a site for garden.
(b) (i) What is temporary hardness of water?
(ii) Describe briefly how a mixture of granulated sugar and sand can be
separated.

(c) (i) Define the following types of motion and given one example of each.
(α) Linear motion
(β) Circular motion,
(γ) Random motion.

(d) (i) Explain briefly why air – craft and boats are constructed in
a stream line form.
(ii) Give three reasons for classifying organisms.
(iii) What is binomial system of nomenclature?

4 (a) (i) What is female genital mutilation?

(ii) Explain why female genital mutilation should be stopped.

(b) (i) What are convectional Currents?

(ii) Explain briefly why smoke from burning bush is spread
by moving air masses.

(c) (i) Explain the following statement:
(α) Pure water is neutral.
(β) A sodium hydroxide is an alkaline.
(ii) Give two uses of:
(α) acid – base indicators.
(β) sodium trioxocarbonate (IV).

(d) (i) What is brooding in poultry production?

(ii) Explain two methods of preserving eggs in poultry.

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5 (a) (i) What is osmosis?

Explain how the root of a plant obtains energy.

(b) (i) What is an ester?

(ii) State one use of each of the following substances:
(α) hydrogen
(β) sodium hydroxide

(c) (i) Explain how earthquake comes about.
(ii) List three effects of earthquakes.

(d) State three types of erosion and how it can be prevented.

The 2023 WASSCE Integrated science trial questions are well-structured questions. Once you have gone through and attempted all the questions, engage in discussions with your colleagues on them or try to teach them the answers because teaching others helps you to retain more of the things you have learned.