BECE 2004 Integrated Science Past Questions and Answers
The BECE 2004 Integrated Science paper has 38 objective and 5 theory questions. Here are sample objective questions with the correct answers and explanations. Sit the full paper with the real time limit on ePrep.
Sample questions with answers
1. Which of the following processes of conversion of the state of matter is correct.
- A. Solid →heat gas →heat liquid
- B. Solid →cool liquid →cool gas
- C. Gas →heat liquid →heat solid
- D. Gas →cool liquid →cool solid
Answer: D. Gas →cool liquid →cool solid
You have to cool a gas to obtain the liquid form of the gas and you have to cool a liquid to obtain the solid form of the liquid.
You have to cool a gas to obtain the liquid form of the gas and you have to cool a liquid to obtain the solid form of the liquid.
2. The types of energy produced when the hands are vigorously rubbed against each other are
- A. chemical and electrical energy.
- B. heat and sound energy.
- C. heat and light energy.
- D. electrical and light energy.
Answer: B. heat and sound energy.
Answer: B. Rubbing hands produces heat and sound.
Answer: B. Rubbing hands produces heat and sound.
3. When a thermometer is put in hot water, the mercury level rises because the mercury increases in
- A. density.
- B. mass.
- C. volume.
- D. weight.
Answer: C. volume.
The mercury expands and the volume increases.
The mercury expands and the volume increases.
4. The modes of heat transfer involved in the process of heating water in a bucket, from the bottom until it boils are
- A. conduction and convection.
- B. conduction and radiation.
- C. convection and radiation.
- D. conduction, convection and radiation.
Answer: A. conduction and convection.
Conduction is the transfer of heat in solid. The bucket transfers the heat from the heat source through conduction to the water.
Convection is the transfer of heat in fluid (liquid or gas). The heat is transferred from the water at the bottom to the top by convection.
Conduction is the transfer of heat in solid. The bucket transfers the heat from the heat source through conduction to the water.
Convection is the transfer of heat in fluid (liquid or gas). The heat is transferred from the water at the bottom to the top by convection.
5. Which of the following items converts chemical energy to electrical energy?
- A. Dry cell
- B. Electric bulb
- C. Loudspeaker
- D. Microphone
Answer: A. Dry cell
Answer: A. A dry cell changes chemical energy into electrical energy.
Answer: A. A dry cell changes chemical energy into electrical energy.
6. Use the diagrams below to answer the question below
Which of the following statements is correct about the circuit diagrams above? The cells in diagram
Which of the following statements is correct about the circuit diagrams above? The cells in diagram
- A. X are in series and the key is open.
- B. X are in parallel and the key is open.
- C. Y are in series and the key is closed.
- D. Y are in parallel and the key is closed.
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7. Use the diagrams below to answer the question below
The total emf of the cells in diagram Y is
The total emf of the cells in diagram Y is
- A. 4.50 V.
- B. 3.00 V.
- C. 1.50 V
- D. 0.75 V.
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8. It is easier to move a heavy load with a crowbar when the
- A. effort distance is shorter than the load distance.
- B. effort distance is longer than the load distance.
- C. effort distance is equal to the load distance.
- D. effort is equal to the load.
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9. 
The type of lever shown above is a
The type of lever shown above is a
- A. first class lever.
- B. second class lever.
- C. third class lever.
- D. combination of first and second class levers.
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10. A balanced diet is one which is made up of
- A. right proportions of protein, carbohydrates and oil.
- B. equal amounts of protein, carbohydrates and oil.
- C. enough water and iodated salt.
- D. vegetables, fruits and water.
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