2023 BECE INTEGRATED SCIENCE OBJECTIVES

The following effects are as a result of soil erosion except

Steam changes to liquid by a process called

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.

Contour ploughing is normally practiced on

A pupil of mass 70 kg climbed a building of height 15 m. Determine the pupil’s potential energy at the top of the building.
[g = 10ms^-2 ]

Which of the following statements distinguishes arteries from veins?

Which of the following pairs of structures are present in animal cells?

Which of the following factors has the greatest influence on vegetable crop production?

The base of the N P N transistor normally

Which of the following pairs of elements is in the same period in the periodic table?

The grouping together of many stars is known as

The very hard greenish‑black deposit around the corners of the teeth is known as

The two main particles in the nucleus of an atom are

The following practices are cultural practices in crop production except

The daily variation of atmospheric conditions is called

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

The practice of reducing the number of seedlings per stand for better growth is known as

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

The SI unit that is derived is

The image formed by a plane mirror is always

When a ray of light travels from a dense medium into a denser medium, it

An example of a natural source of light is

The element used in the manufacturing of electronic components is

To test for starch in a green leaf, it is usually boiled to

An example of a mixture is

Which of the following ions is formed by the loss of 2 electrons?

One benefit of technology to industrialization is

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 contain acids.

The use of separating funnel is most appropriate for separating which of the following mixtures?

The following practices are principles in crop production except

The farming system that makes the most effective use of land is

The following products, X, Y, Z and W have masses 0.05 kg, 50 mg, 500 g and 0.05 g respectively.
Use this information to answer question

Which of the products have the same mass?

The brightest of all the planets is

The following products, X, Y, Z and W have masses 0.05 kg, 50 mg, 500 g and 0.05 g respectively.
Use this information to answer question

If all the products have equal volumes, which of the product(s) would have the highest density?

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

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

Which of the following electronic components is not made of semi‑conductors?

How many atoms are present in H₂O₂?

Anemometer is an instrument for measuring

Which of the following body shapes facilitates movement in a fluid?