Solve the following 2025 BECE Integrated Science Questions And Answers. In all, we have shared 40 likely examination questions in section A with all the answers.
Solve the following 2025 BECE Integrated Science Questions And Answers
PAPER 1-40 MARKS (45 MINUTES)
1. What is the basic building block of matter?
a. Atom
b. Molecule
c. Element
d. Compound
2. Which of the following is a pure substance?
a. Mixture
b. Element
c. Compound
d. Both b and c
3. What happens during a chemical change?
a. Change in state
b. Formation of a new substance
c. Change in temperature
d. None of the above
4. How is a compound different from a mixture?
a. A compound has a variable composition
b. A mixture is made of different elements
c. A compound can be separated by physical means
d. A mixture has a fixed composition
5. What is the smallest unit of an element that retains its properties?
a. Atom
b. Molecule
c. Compound
d. Particle
6. Which of the following is a physical property?
a. ionizing.
b. burning
c. Reactivity
d. Melting
7. What is the chemical symbol for water?
a. W
b. H
c. O
d. H_2O
8. What type of bond is formed when electrons are shared between atoms?
a. Ionic bond
b. Covalent bond
c. Metallic bond
d. Hydrogen bond
9. Which substance turns blue litmus paper red?
a. Acid
b. Base
c. Salt
d. Water
10. What is the pH scale used to measure?
a. Temperature
b. Acidity or alkalinity
c. Pressure
d. Density
11. In the nitrogen cycle, what process converts nitrogen gas into ammonia?
a. Nitrogen fixation
b. Nitrification
c. Denitrification
d. Ammonification
12. Which organelle is known as the “powerhouse” of the cell, producing energy?
a. Nucleus
b. Mitochondrion
c. Chloroplast
d. Endoplasmic reticulum
13. What is the function of the cell membrane?
a. Storage of genetic material
b. Control center of the cell
c. Regulation of substances entering and leaving the cell
d. Site of protein synthesis
14. Which of the following is NOT a plant cell organelle?
a. Nucleus
b. Vacuole
c. Lysosome
d. Chloroplast
15. What is the basic unit of life?
a. Atom
b. Cell
c. Tissue
d. Organ
16. In which cellular organelle does photosynthesis occur?
a. Nucleus
b. Mitochondrion
c. Chloroplast
d. Endoplasmic reticulum
17. What is the primary function of the cell wall in plant cells?
a. Provide structural support
b. Control cell activities
c. Store genetic information
d. Facilitate cell movement
18. What is the name for the process by which cells replicate and divide?
a. Respiration
b. Reproduction
c. Digestion
d. Synthesis
19. Which of the following is a function of the soil?
a. Photosynthesis
b. Respiration
c. Decomposition
d. Digestion
20. What type of soil has the smallest particles and retains water well?
a. Sandy soil
b. Loamy soil
c. Clayey soil
d. Peaty soil
21. What is the purpose of humus in soil?
a. Improve soil structure
b. Increase soil acidity
c. Provide nutrients to plants
d. Prevent erosion
22. Which soil horizon is the top layer, containing organic material and decomposed leaves?
a. A horizon
b. B horizon
c. C horizon
d. O horizon
23. How do plants contribute to the process of soil formation?
a. By preventing erosion
b. By adding organic matter through decomposition
c. By reducing nutrient content
d. By compacting the soil
24. What is the role of nitrogen-fixing bacteria in the soil?
a. Convert nitrogen gas into a form usable by plants
b. Decompose dead plant material
c. Increase soil acidity
d. Enhance water retention
25. Which of the following is an example of a compound?
a. Air
b. Water
c. Salt
d. Soil
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26. What does the pH scale measure?
a. Temperature
b. Acidity or alkalinity
c. Pressure
d. Density
27. What is the main function of the mitochondria in a cell?
a. Storage of genetic material
b. Energy production
c. Photosynthesis
d. Cellular respiration
28. Which substance turns red litmus paper blue?
a. Acid
b. Base
c. Salt
d. Water
29. In the nitrogen cycle, what process converts ammonia into nitrates and nitrites?
a. Nitrogen fixation
b. Nitrification
c. Denitrification
d. Ammonification
30. Which part of the cell regulates what enters and leaves the cell?
a. Nucleus
b. Cell membrane
c. Mitochondrion
d. Endoplasmic reticulum
31. What is the function of the chloroplast in plant cells?
a. Produce energy
b. Store water
c. Conduct respiration
d. Conduct photosynthesis
32. Light is
a. Energy
b. force
c. work
d. pressure
33. Which of the following is a component of the nitrogen cycle?
a. Oxygen
b. Carbon
c. Nitrogen
d. Hydrogen
34. What is the primary function of the cell wall in plant cells?
a. Provide structural support
b. Control cell activities
c. Store genetic information
d. Facilitate cell movement
35. What is the smallest unit of an element that retains its properties?
a. Atom
b. Molecule
c. Compound
d. Particle
36. What type of soil has the largest particles and drains well?
a. Sandy soil
b. Loamy soil
c. Clayey soil
d. Peaty soil
37. Which of the following is a chemical property?
a. Color
b. Density
c. Reactivity
d. Melting point
38. What is the role of nitrogen-fixing bacteria in the soil?
a. Convert nitrogen gas into a form usable by plants
b. Decompose dead plant material
c. Increase soil acidity
d. Enhance water retention
39. What is the function of the nucleus in a cell?
a. Energy production
b. Storage of genetic material
c. Regulation of substances entering and leaving the cell
d. Site of protein synthesis
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40. Which organelle is responsible for producing energy in a cell?
a. Nucleus
b. Mitochondrion
c. Chloroplast
d. Endoplasmic reticulum
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Answers to the 2024 BECE Integrated Science Questions
PAPER
Paper 1= 40marks
1. A.
2. D.
3. B.
4. D.
5. A.
6. D.
7. D.
8. B.
9. A.
10. B.
11. A.
12. B.
13. C.
14. C.
15. B.
16. C.
17. A.
18. B.
19. C.
20. C.
21. C.
22. D.
23. B.
24. A.
25. C.
26. B.
27. B.
28. B.
29. B.
30. B.
31. D.
32. A.
33. C.
34. A.
35. A.
36. A.
37. C.
38. A.
39. B.
40. B.