Integrated Science — 2023
BECE · 40 questions · Answers included
40 questions
The very hard greenish-black deposit around the corners of the teeth is known as
When equal amount of water is poured on dry soil samples, the increase in weight per unit amount of soil would be highest in
The following practices are cultural practices in crop production except
An example of a mixture is
Which of the following statements about acids are correct ?
The practice of reducing the number of seedlings per stand for better growth is known as
A herbal mixture has a volume of 200 m 3 and a mass of 10,000 kg. Determine the density of the mixture.
How many atoms are present in H 2 O 2 ?
Which of the following electronic components is not made of semi-conductors?
Steam changes to liquid by a process called
Which of the following body shapes facilitates movement in a fluid?
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.
The base of the N-P-N transistor normally
One benefit of technology to industrialization is
Contour ploughing is normally practiced on
A pupil of mass 70 kg climbed a building of height 15 m. Determine the pupils potential energy at the top of the building.
Which of the following pairs of structures are present in animal cells?
Artificial satellites can be used for I. communication. II. oil and gas exploration. III. meteorological studies.
The image formed by a plane mirror is always
The following practices are principles in crop production except
Which of the following pairs of elements is in the same period in the periodic table?
The daily variation of atmospheric conditions is called
To test for starch in a green leaf, it is usually boiled to
The following effects are as a result of soil erosion except
The following products, X,Y,Z and W have masses 0.05 kg, 50 mg, 500 g and 0.05 g respectively.
The following products, X,Y,Z and W have masses 0.05 kg, 50 mg, 500 g and 0.05 g respectively.
Which of the following ions is formed by the loss of 2 electrons?
The farming system that makes the most effective use of land is
An example of a natural source of light is
The SI unit that is derived is
The grouping together of many stars is known as
The current in a resistor is 3A. If the resistance of the resistor is 4 ohms, determine the potential difference across the resistor.
Anemometer is an instrument for measuring.
Which of the following statements distinguishes arteries from veins?
The element used in the manufacturing of electronic components is
Which of the following factors has the greatest influence on vegetable crop production?
The brightest of all the planets is
The use of separating funnel is most appropriate for separating which of the following mixtures?
When a ray of light travels from a dense medium into a denser medium, it
The two main particles in the nucleus of an atom are