Here are some likely Integrated Science questions for the 2024 BECE. These are objectives test questions set from various past questions and approved topics.
1. When ammonium chloride is heated, it ……….
A. dissolves.
B. melts.
C. sublimes.
D. cracks.
2. Crude oil is separated into its components by ………
A. fractional distillation.
B. filtration.
C. evaporation.
D. boiling.
3. What is the smallest particle of an element that retains its chemical properties?
A. Atom
B. Molecules
C. Compound
D. Ion
4. Which organelle is responsible for photosynthesis in plant cells?
A. Mitochondria
B. Nucleus
C. Chloroplast
D. Golgi apparatus
5. Which of the following is a feature unique to plant cells and not present in animal cells?
A. Nucleus.
B. Cell membrane
C. Chloroplast
D. Mitochondria
6. An activity that can disrupt the carbon cycle is ……..
A. afforestation.
B. using solar energy.
C. using more petrol and diesel.
D. using nuclear energy.
7. Life processes of plants that act together to maintain a balance of the carbon proportion in the air are …..
I. feeding
II. reproduction
III. respiration.
IV. excretion
A. I and II only.
B. II and III only.
C. III and IV only
D. I and III only
8. Carbon is removed from the atmosphere during ……….
A. photosynthesis.
B. respiration.
C. decomposition.
D. Combustion
9. How do female mosquitoes use blood during the life cycle?
A. They drink blood for nutrition.
B. They se blood to attract mates.
C. They blood to lay eggs
D. They use blood to develop wings
10. What is the primary source of carbon dioxide released into the atmosphere during the carbon cycle?
A. Volcanic eruptions.
B. Forest fires.
C. Respiration by plants and animals.
D. Photosynthesis
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11. What type of cell has a more complex internal organization?
A. Prokaryotic cells.
B. Eukaryotic cells.
C. Both prokaryotic and eukaryotic.
D. It varies depending on the organism.
12. An atom with 11 protons and 12 neutrons will have how many electrons in its neutral state?
A. 12
B. 11
C. 23
D. 0
13. A gas that contributes to global warming is ………
A. nitrogen dioxide.
B. carbon dioxide.
C. oxygen.
D. nitrogen.
14. Bongo hits and kills mosquitoes in between his palm. He is controlling mosquitoes
A. chemically.
B. biologically.
C. physically
D. genetically.
15. Which of the following is not a characteristic of a mixture?
A. It can be separated by physical means.
B. It has a fixed melting point.
C. Its properties are a combination of its components.
D. Its composition can vary
16. What term is used to describe the interdependent relationships among plants, animals and their physical environment in an ecosystem?
A. Biodiversity.
B. Adaptation.
C. Symbiosis.
D. Ecological balance.
17. How many types of teeth are typically present in the mammalian tooth structure?
A. 1
B. 2
C. 3
D. 4
18. Which of the following is an example of organic rock?
A. Granite
B. Limestone
C. Marble
D. Slate
19. Which type of rock is formed by the transformation of existing rocks?
A. Sedimentary rock.
B. Metamorphic rock
C. Igneous rock
D. Organic rock
20. Which of the following is a sustainable practice to retain water in soil and reduce water wastage in agriculture?
A. Using large amount of chemical fertilizers.
B. Employing excessive irrigation methods.
C. Mulching to cover the soil and reduce evaporation.
D. Using genetically modified seeds.
21. Which soil type is most likely to suffer from waterlogging, leading to poor plant growth?
A. Sandy soil.
B. Clay soil
C. Loamy soil.
D. Rocky soil.
22. What are some of the potential solutions to mitigate climate change?
A. Increasing the use of fossil fuels for energy production.
B. Planting more trees to absorb carbon dioxide.
C. Burning more coal and oil to create heat.
D. Disregarding renewable energy sources.
23. The process of using scientific knowledge to create something new or improve existing products and processes is called …...
A. Experimentation.
B. Invention.
C. Observation.
D. Hypothesis
24. How can wearing face masks help prevent the transmission of communicable diseases like COVID-19?
A. By reducing oxygen intake.
B. By creating a barrier that blocks the entry of pathogens.
C. By keeping the mouth and nose warm.
D. By improving lung function.
25. Which of the following is not a symptom of communicable diseases?
A. Fever.
B. Cough
C. Headache.
D. Happiness
26. Which of the following is a sustainable method of disposing of hazardous waste?
A. Dumping it in water bodies.
B. Burning it in open areas.
C. Recycling it for other uses.
D. Burying it in landfills.
27. Which of the following is an example of renewable resource often used in sustainable waste management?
A. Fossil fuel.
B. Plastic bags.
C. Glass bottles.
D. Solar energy.
28. What type of lever is the most common type in the human body?
A. First-class lever.
B. Second class lever
C. Third class lever.
D. Fourth class lever.
29. Which simple machine consists of a grooved wheel with a rope or chain running along the groove?
A. Lever.
B. Wheel and axle
C. Inclined plane
D. Pulley
30. What is a device used to increase or decrease the voltage of an alternating current?
A. Transformer.
B. Generator.
C. Motor
D. Solenoid
31. What is the process of producing an electric current in a wire by moving it through a magnetic field?
A. Induction
B. Conduction
C. Repulsion
D. Attraction
32. What is the space between magnetic field lines representing the strength and direction of the magnetic field?
A. Magnetic pole.
B. Magnetic field
C. Magnetic coil
D. Magnetic force.
33. What is the basic unit of electric power?
A. Volts
B. Watts
C. Amperes
D. Ohms.
34.. Which source of energy is considered non-renewable because it is obtained from ancient fossilized plants and animals?
A. Coal
B. Wind energy
C. Biomass energy
D. Geothermal energy
35. 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.
36. What type of organism is always at the base of a food chain or food web?
A. Herbivore
B. Carnivore
C. Producers.
D. Decomposer.
37. Which planet is referred to as the “ice giant” due to its icy composition?
A. Jupiter
B. Saturn
C. Uranus
D. Neptune
38. 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.
39. 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 seedlings
C. To acclimate the seedlings to outdoor conditions.
D. To increase the size of seedlings.
40. 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.