BECE past question

Science 2023

Science Paper 1

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1. [1]

BECE 2023 · Paper 1

The very hard greenish-black deposit around the corners of the teeth is known as
2. [1]

BECE 2023 · Paper 1

When equal amount of water is poured on dry soil samples, the increase in weight per unit amount of soil would be highest in
3. [1]

BECE 2023 · Paper 1

The following practices are cultural practices in crop production except
4. [1]

BECE 2023 · Paper 1

An example of a mixture is
5. [1]

BECE 2023 · Paper 1

Which of the following statements about acids are correct? I. They turn red litmus paper blue. II. They can be neutralized by bases. III. Citrus fruits contains acids.
6. [1]

BECE 2023 · Paper 1

The practice of reducing the number of seedlings per stand for better growth is known as
7. [1]

BECE 2023 · Paper 1

A herbal mixture has a volume of 200 m3 and a mass of 10,000 kg. Determine the density of the mixture.
8. [1]

BECE 2023 · Paper 1

How many atoms are present in H2O2?
9. [1]

BECE 2023 · Paper 1

Which of the following electronic components is not made of semi-conductors?
10. [1]

BECE 2023 · Paper 1

Steam changes to liquid by a process called
11. [1]

BECE 2023 · Paper 1

Which of the following body shapes facilitates movement in a fluid?
12. [1]

BECE 2023 · Paper 1

Stirring of soil on vegetable beds is to I. improve aeration of soil. II. increase activities of soil organisms. III. increase water penetration in the soil. IV. reduce weed growth.
13. [1]

BECE 2023 · Paper 1

The base of the N-P-N transistor normally
14. [1]

BECE 2023 · Paper 1

One benefit of technology to industrialization is
15. [1]

BECE 2023 · Paper 1

Contour ploughing is normally practiced on
16. [1]

BECE 2023 · Paper 1

A pupil of mass 70 kg climbed a building of height 15 m. Determine the pupils potential energy at the top of the building. [g = 10 m-2]
17. [1]

BECE 2023 · Paper 1

Which of the following pairs of structures are present in animal cells?
18. [1]

BECE 2023 · Paper 1

Artificial satellites can be used for I. communication. II. oil and gas exploration. III. meteorological studies.
19. [1]

BECE 2023 · Paper 1

The image formed by a plane mirror is always
20. [1]

BECE 2023 · Paper 1

The following practices are principles in crop production except
21. [1]

BECE 2023 · Paper 1

Which of the following pairs of elements is in the same period in the periodic table?
22. [1]

BECE 2023 · Paper 1

The daily variation of atmospheric conditions is called
23. [1]

BECE 2023 · Paper 1

To test for starch in a green leaf, it is usually boiled to
24. [1]

BECE 2023 · Paper 1

The following effects are as a result of soil erosion except
25. [1]

BECE 2023 · Paper 1

If all the products have equal volumes, which of the product(s) would have the highest density? Given masses: X=0.05 kg, Y=50 mg, Z=500 g, W=0.05 g.
26. [1]

BECE 2023 · Paper 1

Which of the products have the same mass? Given masses: X=0.05 kg, Y=50 mg, Z=500 g, W=0.05 g.
27. [1]

BECE 2023 · Paper 1

Which of the following ions is formed by the loss of 2 electrons?
28. [1]

BECE 2023 · Paper 1

The farming system that makes the most effective use of land is
29. [1]

BECE 2023 · Paper 1

An example of a natural source of light is
30. [1]

BECE 2023 · Paper 1

The SI unit that is derived is
31. [1]

BECE 2023 · Paper 1

The grouping together of many stars is known as
32. [1]

BECE 2023 · Paper 1

The current in a resistor is 3A. If the resistance of the resistor is 4 ohms, determine the potential difference across the resistor.
33. [1]

BECE 2023 · Paper 1

Anemometer is an instrument for measuring.
34. [1]

BECE 2023 · Paper 1

Which of the following statements distinguishes arteries from veins?
35. [1]

BECE 2023 · Paper 1

The element used in the manufacturing of electronic components is
36. [1]

BECE 2023 · Paper 1

Which of the following factors has the greatest influence on vegetable crop production?
37. [1]

BECE 2023 · Paper 1

The brightest of all the planets is
38. [1]

BECE 2023 · Paper 1

The use of separating funnel is most appropriate for separating which of the following mixtures?
39. [1]

BECE 2023 · Paper 1

When a ray of light travels from a dense medium into a denser medium, it
40. [1]

BECE 2023 · Paper 1

The two main particles in the nucleus of an atom are

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