BECE past question

Science 2021

Science Paper 1

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1. [1]

BECE 2021 · Paper 1

Which of the following substances is a compound?
2. [1]

BECE 2021 · Paper 1

An atom of an element has a neutral charge because the
3. [1]

BECE 2021 · Paper 1

Which of the following organisms is an ecto-parasite of animals?
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BECE 2021 · Paper 1

An atom has 20 nucleons and 9 protons. What is its neutron number?
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BECE 2021 · Paper 1

Which of the following statements about aerobic and anaerobic respiration is not correct?
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BECE 2021 · Paper 1

An aluminium cube of side 2 m has a mass 24 kg. Determine the density of the aluminium.
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BECE 2021 · Paper 1

An example of the process of osmosis is
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BECE 2021 · Paper 1

What is the systematic name of the compound CO?
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BECE 2021 · Paper 1

Which of the following methods can be used to prevent iron from rusting?
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BECE 2021 · Paper 1

The proper way of maintaining soil structure and fertility is termed as soil
11. [1]

BECE 2021 · Paper 1

The instrument that can be used to measure accurately the mass of a substance is
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BECE 2021 · Paper 1

Which of the following chemical symbols can be used to remove permanent hardness of water?
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BECE 2021 · Paper 1

Which of the following chemical symbols is that of an element with seven electrons in the outermost shell?
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BECE 2021 · Paper 1

Which of the following statements about the base of a transistor are correct? The base is
15. [1]

BECE 2021 · Paper 1

Which of the following instruments is connected in parallel across a resistor in an electrical circuit?
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BECE 2021 · Paper 1

Which of the following fruits is dispersed by water?
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BECE 2021 · Paper 1

A farming system which involves the growing of rice and the rearing of fowls is known as
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BECE 2021 · Paper 1

Which of the following activities are cultural practices in vegetable production?
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BECE 2021 · Paper 1

The function of the white blood cells in humans is to
20. [1]

BECE 2021 · Paper 1

Mosquito pupa breathes through tubes called
21. [1]

BECE 2021 · Paper 1

An advantage of practicing organic farming is that it
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BECE 2021 · Paper 1

Which of the following planets is at the center of the solar system?
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BECE 2021 · Paper 1

Determine the potential energy of a block of mass 2 kg placed on a building 10 m tall. [g = 10 ms-2]
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BECE 2021 · Paper 1

Which of the following organisms attacks crops in storage?
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BECE 2021 · Paper 1

One of the properties of acids is that they
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BECE 2021 · Paper 1

The instrument used to measure potential difference across a resistor is
27. [1]

BECE 2021 · Paper 1

A machine lifts a load of 100 N through a vertical distance of 2 m in 10s. What is the work done by the machine?
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BECE 2021 · Paper 1

A machine lifts a load of 100 N through a vertical distance of 2 m in 10s. What is the power of the machine?
29. [1]

BECE 2021 · Paper 1

Which of the following elements is a macro-nutrient of plants?
30. [1]

BECE 2021 · Paper 1

When an atom loses an electron, the ion formed is called
31. [1]

BECE 2021 · Paper 1

Which of the following chemical equations is balanced?
32. [1]

BECE 2021 · Paper 1

Purple colouration of leaves of plant is a major symptom of deficiency in
33. [1]

BECE 2021 · Paper 1

Which of the following diseases is not a deficiency diseases?
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BECE 2021 · Paper 1

In an experiment to determine the various particle sizes of soil sedimentation, the particle above clay suspension are
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BECE 2021 · Paper 1

A person urinates more often in the rainy season than in the dry season because
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BECE 2021 · Paper 1

Heat from the sun by
37. [1]

BECE 2021 · Paper 1

Which of the following machines are complex machines?
38. [1]

BECE 2021 · Paper 1

Calcium oxide and water reacts to form calcium hydroxide. The formula for the product is
39. [1]

BECE 2021 · Paper 1

The current flowing through a resistor of resistance 10 ohms is 2.5 A. What is the potential difference between the two terminals of the resistor?
40. [1]

BECE 2021 · Paper 1

If a soil is smooth and sticky, it means that the soil has a large amount of

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