2024 BECE Science Mock 3 Questions and Answers
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2024 BECE SCIENCE MOCK 3PAPER ONE OBJECTIVE TEST – 40 MARKS
Answer All Question in this Section
1. Pick the odd one out from the following processes
a) Conduction, convection, reflection b) Conduction, radiation, evaporation c) Convection, radiation, absorption d) Conduction, convection, rations
2. Which forms of energy are commonly used by the following appliance, microwave a) Electrical and kinetic energy b) Electrical and thermal energy c) Solar and kinetic energy d) Nuclear and thermal energy
3. Why is it important not to repeat deep-rooted crops in a crop rotation program? a) To prevent soil erosion b) To avoid nutrient depletion c) To minimize water usage d) To control pest infestations
4. Through which mode of heat transfer does the Earth receive heat?
a) Convection b) Radiation c) Conduction d) Absorption
5. Which of the following are natural sources of light?
a) Fire and candlelight b) Fluorescent light and LED light c) Sunlight and lightning d) Incandescent light and torchlight
6. One of the following differentiates between charging and discharging a capacitor? a) Charging increases voltage, discharging decreases voltage b) Charging decreases voltage, discharging increases voltage c) Charging decreases energy, discharging increases energy
d) Charging increases energy, discharging decreases energy
7. Select the correct order of energy transformations in using firewood for cooking?
a) Chemical energy → Thermal energy → Mechanical energy
b) Mechanical energy → Chemical energy → Thermal energy
c) Thermal energy → Mechanical energy → Chemical energy
d) Chemical energy → Mechanical energy → Thermal energy
8. identify the one that best explains energy conservation
a) Using energy efficiently to reduce waste b) Generating more energy from renewable sources c) Using energy reserves in moderation d) Recycling energy for different purposes
9. From the list of appliances, which appliances utilize magnets in their operation? a) Blender b) hairdryer c)toaster d) torchlight
10. Energy transformation is best described by one of the following?
a) The conversion of one form of energy to another
b) The production of energy from renewable sources
c) The extraction of energy from natural resources
d) The transfer of energy within a closed system
2024 BECE SCIENCE MOCK 3 CONTINUES BELOW
11. In the scenario described with a bar magnet and nails, what observations will be made when different masses of magnets are used?
a) The attraction force increases as the magnet mass increases
b) The attraction force decreases as the magnet mass increases
c) There is no change in the attraction force with different magnet masses d) None of the above
12. One of the following activities can potentially damage teeth? a) Drinking water b) Brushing teeth c) Eating sugary foods d) Eating vegetables
13. Which methods can be used to control housefly activities?
i. Trapping and using insecticides
ii. Maintaining cleanliness and using repellents
iii. Providing food sources and enhancing habitats
iv. Using sound waves and increasing humidity
a) i and iii b) ii and iv c) i and ii d) ii and iii
14. How many stages are in the life cycle of mosquito? (a) 3 (b) 5 (c) 4 (d) 6
15. An atom has an atomic number of 17, what is the number of its electrons? (a) 19 – 2 (b) 19 – 1 (c) 20 (d) 19 – 3
16. All the following are eukaryotes, except. (a) histolytica (b) mould (c) plasmodium (d) streptococcus mutans
17. One of the following has flagella. (a) Eukaryotic cell (b) prokaryotic cell (c) species (d) DNA
18. The reaction between 2H20 and O2 form (a) H20 (b) H202 (C) 2H20 (D) H2(O)3
19. Which of the following elements come from period 3 group 3? (a) Na (b) Al (c) Si (d) B
20. All period 4 elements are said to be…… (a) metalloids (b) non – metals (c) halogens (d) metals
The 2024 BECE Science Mock Questions continue below
21. Roughages include all the following, except. (a) beans (b) hays (c) silage (d) root crops
22. A piece of yam is chewed in the mouth for three minutes, what observations will be made? a) It dissolves completely b) It is changed into maltose c) It hardens due to increased saliva interaction d) It remains unchanged in texture and composition
23. The reticulum is responsible for ……………… in the digestive system of animals?
a) Water absorption b) Grinding food particles c) Absorption of nutrients
d) Fermentation
24. What is browsing as used in animal production? a) Feeding animals with high-protein diet b) Allowing animals to graze freely in pastures c) Feeding animals with small portions of food frequently d) Controlling the diet of animals for specific nutrient intake
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