Integrated Science — 2021
BECE · 40 questions · Answers included
40 questions
Which of the following substances is a compound?
An atom of an element has a neutral charge because the
Which of the following organisms is an ecto-parasite of animals?
An atom has 20 nucleons and 9 protons. What is its neutron number?
Which of the following statements about aerobic and anaerobic respiration is not correct?
An aluminium cube of side 2 m has a mass 24 kg. Determine the density of the aluminium.
An example of the process of osmosis is
What is the systematic name of the compound CO?
Which of the following methods can be used to prevent iron from rusting?
The proper way of maintaining soil structure and fertility is termed as soil
The instrument that can be used to measure accurately the mass of a substance is
Which of the following chemical symbols can be used to remove permanent hardness of water?
Which of the following chemical symbols is that of an element with seven electrons in the outermost shell?
Which of the following statements about the base of a transistor are correct ? The base is
Which of the following instruments is connected in parallel across a resistor in an electrical circuit?
Which of the following fruits is dispersed by water?
A farming system which involves the growing of rice and the rearing of fowls is known as
Which of the following activities are cultural practices in vegetable production?
The function of the white blood cells in humans is to
Mosquito pupa breathes through tubes called
An advantage of practicing organic farming is that it
Which of the following planets is at the center of the solar system?
Determine the potential energy of a block of mass 2 kg placed on a building 10 m tall. [g = 10 ms -2 ]
Which of the following organisms attacks crops in storage?
One of the properties of acids is that they
The instrument used to measure potential difference across a resistor is
A machine lifts a load of 100 N through a vertical distance of 2 m in 10s.
A machine lifts a load of 100 N through a vertical distance of 2 m in 10s.
Which of the following elements is a macro-nutrient of plants?
When an atom loses an electron, the ion formed is called
Which of the following chemical equations is balanced?
Purple colouration of leaves of plant is a major symptom of deficiency in
Which of the following diseases is not a deficiency diseases?
In an experiment to determine the various particle sizes of soil sedimentation, the particle above clay suspension are
A person urinates more often in the rainy season than in the dry season because
Heat from the sun by
Which of the following machines are complex machines?
Calcium oxide and water reacts to form calcium hydroxide. The formula for the product is
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?
If a soil is smooth and sticky, it means that the soil has a large amount of