Science Section B
This is the Section B (Theory) part of the BECE Science exam. Students will be required to answer structured questions that test their understanding of core science concepts, processes, and practical applications. Answers must be typed clearly and in complete sentences.
Question 1
State one function for each of the parts labelled I, II, IX and X of the mammalian heart.
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Question 2
Suggest two simple tools used in nursery bed preparation for tomato seeds and state one function for each.
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Question 3
Explain briefly the scientific principle underlying each of the following waste management practices: (i) Composting; (ii) Recycling; (iii) Incineration.
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Question 4
Outline three features that would help to differentiate between the digestive systems of a goat and a rabbit.
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Question 5
State two precautions that must be taken to obtain reliable results when determining the volume of an irregular object using water displacement.
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Question 6
Define the term light emitting diode (LED) and mention two devices that use LED in their operation.
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