Solve the following 2025 BECE Integrated Science Questions

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.