2025 BECE Integrated Science Objective Mock Test – Revise Now

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2025 BECE Integrated Science Objective Test

PART 1 – 40 OBJECTIVE TESTS

Answer all the questions.
Each question is followed by 4 options lettered A to D. Find the correct option for each question. Shade in pencil on your answer sheet, the answer space which bears the same letter as the option you have chosen.

1. You are tasked with building a detailed atomic model, specifically focusing on the third energy level. How many electrons would be necessary to fully populate this level?  A. 2 B. 8 C. 18 D. 32

2. During a science experiment, you’re given a mixture with components that can be easily identified by sight. Which of the following affects the approach you would take to separate the mixture?

A. Components are evenly mixed. B. Components are visibly distinct.
C. It forms a solution. D. Contains only one phase.

3. While analyzing living cells, you observe that carbon plays a crucial role in their composition. Based on this, why is carbon indispensable for the formation of life-sustaining molecules?

A. Acts as a structural component of cells. B. Serves as an energy source.
C. Is a waste product. D. Produces oxygen.

4. As you design a simple electronic circuit for a project, you are considering using LEDs. What advantage would LEDs provide to your circuit, and how would they enhance its overall function?
A. They store electrical charge. B. They regulate voltage levels.
C. They emit light. D. They control the flow of current.

5. You are planning a community farming initiative, focusing on preparing seed beds to maximize crop yields. What considerations should guide your decisions when comparing different types of seed beds?
A. Techniques for watering. B. Observing different types of seed beds.
C. Watching birds. D. Using painting techniques.

6. An atom has an atomic number of 6 and contains equal numbers of protons and neutrons in its nucleus. Which element does this describe?
A. Carbon B. Oxygen C. Nitrogen D. Hydrogen

7. Which type of cell is characterized by a highly organized internal structure, including specialized components such as the nucleus, mitochondria, and endoplasmic reticulum?
A. Prokaryotic cells B. Eukaryotic cells C. Animal cells D. Plant cells

8. The mass number of an element is determined by the sum of which of the following subatomic particles present in its atom?
A. Protons and neutrons B. Neutrons and electrons
C. Electrons and orotons D. Positrons and electrons

9. Which of the following techniques is most suitable for separating a mixture composed of sand and gravel?
A. Filtration. B. Distillation. C. Evaporation. D. Magnetism.

10. The Great Dark Spot, a well-known feature observed on one of the outer planets, is found on which of these planets?
A. Jupiter. B. Uranus. C. Saturn. D. Neptune.

11. Which organelle is primarily responsible for synthesizing proteins in both prokaryotic and eukaryotic cells?
A. Golgi apparatus. B. Endoplasmic reticulum. C. Mitochondria. D. Ribosomes.

12. The atomic number of an element represents the number of which particle within its atomic structure.
A. Protons. B. Neutrons. C. Electrons. D. Positrons.

13. Which type of cell is most often found in organisms that exist as single-celled entities?
A. Prokaryotic cell. B. Eukaryotic cell. C. Plant cell. D. Animal cell.

14. In the carbon cycle, which of the following serves as a major storage location for carbon?
A. Plants. B. Atmosphere. C. Oceans. D. Soil.

15. When oil is mixed with water, what kind of mixture is formed due to the inability of the two substances to combine uniformly?
A. A mixture that appears as a single phase, called a homogeneous mixture.
B. A mixture where the substances remain separate, known as a heterogeneous mixture.
C. A mixture where solid particles are dispersed within a liquid, referred to as a suspension.
D. A mixture where one substance is evenly dispersed in another, identified as a colloid.

16. What do you call the type of chemical bond that results from the sharing of electrons between two or more atoms?
A. A bond formed through shared electrons, known as a covalent bond.
B. A bond where electrons are transferred from one atom to another, called an ionic bond.
C. A bond between metal atoms involving shared free electrons, referred to as a metallic bond.
D. A bond where electrons are unequally shared, leading to slight charges, known as a polar bond.

17. In what way does the Anopheles mosquito pose a threat to human health?
A. By causing damage to food crops, leading to shortages.
B. By transmitting diseases such as malaria, serving as a disease vector.
C. By competing with humans for limited food resources in certain regions.
D. By aiding in the decomposition of organic waste, contributing to sanitation

18. What role do capacitors play in circuits that include Light Emitting Diodes (LEDs)?
A. They adjust the intensity of light emitted by the LEDs.
B. They temporarily store and release electrical energy in the circuit.
C. They regulate and maintain the voltage levels supplied to the LEDs.
D. They enhance the strength of electrical signals passing through the LEDs.

19. Which technique would be most effective in separating a mixture of ink dissolved in water?
A. Using a physical barrier to separate components, known as filtration.
B. Heating the mixture to separate components based on boiling points, called distillation.
C. Using a magnetic force to attract certain components, known as magnetism.
D. Using a process where substances are separated based on their movement through a medium, called chromatography.

20. What is the main function of the front teeth, known as incisors, in humans?
A. Breaking down food by grinding it into smaller pieces.
B. Piercing and tearing food apart during chewing.
C. Crushing food into smaller particles for digestion.
D. Holding and cutting food into manageable portions.

21. Which sub-atomic particle plays a critical role in maintaining the stability of an atomic nucleus?
A. A neutral particle that adds stability, known as a neutron.
B. A positively charged particle found in the nucleus, called a proton.
C. A negatively charged particle that orbits the nucleus, referred to as an electron.
D. A particle similar to an electron but with a positive charge, known as a positron.

22. In what form is most of the Earth’s carbon stored within its crust?
A. As carbon-based fuels, commonly referred to as fossil fuels.
B. As dissolved carbon in large bodies of water, such as oceans.
C. As solid forms of carbon within rocks and minerals.
D. As gaseous carbon found in the Earth’s atmosphere.

2025 BECE Integrated Science Objective Test 23- 29

23. What is a defining feature of a colloid mixture that distinguishes it from other types of mixtures?
A. It allows light to pass through, making it transparent.
B. The components separate and settle after some time.
C. Its particles can be separated easily through filtration.
D. The particles remain dispersed and do not settle out over time.

24. Which sub-atomic particle contributes the most to the overall mass of an atom?
A. The positively charged particle in the nucleus, known as a proton.
B. The neutral particle found in the nucleus, called a neutron.
C. The negatively charged particle orbiting the nucleus, referred to as an electron.
D. A positively charged particle similar to an electron, known as a positron.

25. Where in eukaryotic cells is the majority of genetic material, in the form of DNA, primarily located?
A. In the energy-producing organelles known as mitochondria.
B. In the protein-synthesizing structures known as ribosomes.
C. In the central organelle, referred to as the nucleus.
D. In the packaging and transport organelle called the Golgi apparatus.

26. The elements in the same group of the periodic table have ……
A. Different properties
B. Similar properties
C. No relation to each other
D. Random properties

27. At what typical age do humans first develop their set of molars?
A. Between 2 and 3 years of age, when early childhood teeth erupt.
B. Between 6 and 7 years of age, when the first permanent teeth begin to appear.
C. Between 10 and 12 years of age, as part of pre-adolescent development.
D. Between 16 and 18 years of age, when wisdom teeth commonly emerge.

28. How many developmental stages does a mosquito undergo throughout its life cycle?
A. A single stage, involving direct maturation.
B. Two stages, involving simple transformations.
C. Three stages, involving intermediate growth phases.
D. Four distinct stages, from egg to adult.

29. What term is used to describe the space between magnetic field lines that indicates the strength and direction of the magnetic field?
A. The point where magnetic forces are strongest, called the magnetic pole.
B. The area where magnetic forces are present, known as the magnetic field.
C. The device that generates a magnetic field, referred to as the magnetic coil.
D. The force exerted by magnets, called magnetic force.

READ: SHS Integrated Science lessons, questions and answers on Matter

2025 BECE Integrated Science Objective Test 30-40

30. What is the standard unit used to measure electrical power in circuits?
A. The unit measuring electric potential, volts.
B. The unit that quantifies electrical power, watts.
C. The unit measuring electric current, amperes.
D. The unit measuring electrical resistance, ohms.

31. Which source of energy is considered nonrenewable because it is obtained from ancient fossilized plants and animals?
A. Coal B. Wind energy C. Biomass energy D. Geothermal energy

32. What type of farming is commonly practiced in developed countries with advanced agricultural techniques?
A. Mixed farming B. Subsistence farming
C. Commercial farming D. Extensive farming.

33. What type of organism is always at the base of a food chain or food web?
A. Herbivore B. Carnivore C. Decomposer D. Producers

34. Which planet is referred to as the ice giant due to its icy composition?
A. Jupiter B. Saturn C. Uranus D. Neptune

35. Which type of teeth are located at the back of the mouth and are used for grinding and crushing food?
A. Incisors. B. Canines C. Premolars D. Molars

36. What is the main purpose of hardening off seedlings grown on seedbeds before transplanting them?
A. To protect seedlings from pests and diseases.
B. To provide additional nutrients to the seedings
C. To acclimate the seedlings to outdoor conditions.
D. To increase the size of seedlings.

37. How can electricity be efficiently transmitted over long distances?
A. High resistance wires B. Direct current (DC) C. Low voltage D. High voltage

38. What type of lever has the load located between the fulcrum and the effort force?
A. First class lever. B. Second class lever C. Third class lever D. Fourth class lever.

39. Which part of a mammalian tooth connects the crown to the root?
A. Neck B. Enamel C. Pulp D. Dentin

40. Which outer planet is named after the Roman god of the sea?
A. Jupiter B. Uranus C. Saturn D. Neptune