BECE Integrated Science Past Questions 2022

The floor of a room has length 20 m and breadth 15 m. Determine the area of the floor.

Which of the following characteristics is/are of the image formed in a pinhole camera? The image is: I. inverted II. virtual III. diminished

Which of the following bodies are natural sources of light? I. Moon II. Sun III. Glow Worm

People who travel in space are called

A force meter measures

Which of the following statements are reasons for conserving energy? I. Insufficient production of energy. II. Increasing demand of energy. III. Limiting production of carbon (IV) oxide.

Urea is a good source of

What force makes a ripe mango fall from a tree?

(a) Define the term mixed cropping. (b)(i) Define the term alloy. (b)(ii) Name the two metals that make up brass. (c)(i) State four harmful effects of water pollution. (c)(ii) State two roles of chlorophyll in photosynthesis. (d)(i) Define the term work as used in science. (d)(ii) A 10 kg block is pushed along a horizontal surface with a force of 20 N through a distance of 3.2 m. Calculate the work done.

(a)(i) State three chemical elements needed for strong teeth and bones. (a)(ii) Name two diseases that affect the teeth. (b) State four limitations of sandy soil for farming. (c) An element has 13 protons and 14 neutrons. (i) Name the element. (ii) Write its electronic configuration. (iii) State its valency. (d)(i) State three applications of fluid (liquid) pressure in everyday life. (d)(ii) Give two examples of electrical insulators.

(a)(i) Name the four stages in the lifecycle of a mosquito. (a)(ii) State the stage during which the mosquito does not feed. (b) Give two reasons why air is classified as a mixture and not a compound. (c)(i) Define the term magnetic pole. (c)(ii) State three uses of temporary magnets. (d) State four advantages of planting crops in rows.

(a) Trace the pathway of food from the mouth to the anus in the human digestive system. (b) State four components of a balanced ration for poultry. (c) Write balanced chemical equations for the following reactions: (i) Magnesium reacting with dilute hydrochloric acid. (ii) Potassium reacting with water. (d)(i) State three effects of applying heat to a substance. (d)(ii) Potassium permanganate crystals are placed at the bottom of a beaker of water which is then heated from below. Describe what you would observe and name the phenomenon responsible.

(a) State three differences between metals and non-metals. (b) A transistor operates in its active region. Explain the condition required for this operation and state what function it performs. (c)(i) State three effects of protein deficiency on the human body. (c)(ii) Describe how you would test for the presence of glucose in a food sample. (d) State four causes of nutrient loss from soil.

The hard outer surface of a tooth is called

An atom ²³₁₁X forms a bond by losing one electron. The charge on the ion formed is

A mixture of alcohol and water can best be separated by

Which of the following instruments can be used to measure the diameter of a circle?

When gases are heated they

The shoot system of a flowering plant develops from the

In a transistor diagram, the arrow on the emitter shows the direction of

Digestion of protein begins in the stomach and ends in the

The ovary, style and stigma are collectively known as the

The number required to balance the chemical equation: H₂ + O₂ → H₂O is

The periodic table is an arrangement of elements according to increasing

Green plants have the ability to make their own food hence they are known as

Soil depletion is NOT caused by

Which of the following statements about pressure in liquids is/are correct? I. Pressure in liquids at the same level acts equally in all directions. II. Pressure in liquids depends on the area of the liquid. III. Pressure in liquids decreases with depth.

Which of the following planets are closer to the sun than the Earth?

It is not advisable to use old electrical gadgets because they

Which of the following statements about clayey soil is NOT true? It

The main reason for staking tomato is to ensure

Which of the following substances are matter? I. Hydrogen II. Air III. Stone

The ion that causes hardness in water is

A capacitor is connected in a series circuit with an LED, a battery and a switch. When the circuit is closed, the LED

The solid component found on the filter paper and the liquid component that flows into a container during filtration are respectively called

An example of a storage pest is

Which of the following processes is an example of a physical change?

A lunar eclipse may occur when the

Soil texture is a term used to describe the

All flowering plants end their life cycle with

The energy transformation that takes place in a solar cell is

An example of a first class lever is

The practice of growing cowpea and maize on a piece of land at the same time is known as

Rainfall is a result of