Biology · Paper 1 · 2012
18 questions 🇹🇿 NECTA ✓ MS3-hour timed simulation · auto-graded · counts toward ranking
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Section A
State four characteristics of living organisms that distinguish them from non-living things.
- State four characteristics of living organisms that distinguish them from non-living things. (4 mk)
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Mention four functions of the human skeletal system.
- Mention four functions of the human skeletal system. (4 mk)
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Give four reasons why cell division is important to living organisms.
- Give four reasons why cell division is important to living organisms. (4 mk)
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Outline four features used to classify vertebrates.
- Outline four features used to classify vertebrates. (4 mk)
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State four laboratory rules that should be observed when handling glassware.
- State four laboratory rules that should be observed when handling glassware. (4 mk)
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Briefly explain four factors that affect enzyme activity.
- Briefly explain four factors that affect enzyme activity. (4 mk)
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Mention four elements commonly found in biological molecules.
- Mention four elements commonly found in biological molecules. (4 mk)
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Outline four strategies used to prevent sexually transmitted infections (STIs).
- Outline four strategies used to prevent sexually transmitted infections (STIs). (4 mk)
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List four teaching aids a teacher can use when teaching reproduction in flowering plants.
- List four teaching aids a teacher can use when teaching reproduction in flowering plants. (4 mk)
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Mention four characteristics of a well-formulated learning objective.
- Mention four characteristics of a well-formulated learning objective. (4 mk)
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Section B
Explain five roles of the liver in maintaining body homeostasis.
- Explain five roles of the liver in maintaining body homeostasis. (15 mk)
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Describe the structure of a typical plant cell and explain the function of each organelle.
- Describe the structure of a typical plant cell. (5 mk)
- Explain the function of each organelle. (10 mk)
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Discuss the nitrogen cycle and its importance to living organisms.
- Discuss the nitrogen cycle. (10 mk)
- Discuss its importance to living organisms. (5 mk)
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Describe five differences between aerobic and anaerobic respiration and state their importance.
- Describe five differences between aerobic and anaerobic respiration. (10 mk)
- State their importance. (5 mk)
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Section C
Outline six teaching strategies you would use to enhance participation during a Biology lesson on blood circulation.
- Outline six teaching strategies you would use to enhance participation during a Biology lesson on blood circulation. (30 mk)
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Explain six components of a Biology lesson plan and their importance in lesson delivery.
- Explain six components of a Biology lesson plan and their importance in lesson delivery. (30 mk)
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Describe six assessment techniques used by Biology teachers to evaluate student understanding.
- Describe six assessment techniques used by Biology teachers to evaluate student understanding. (30 mk)
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Discuss six ways in which a teacher can integrate ICT tools in teaching Biology at the secondary level.
- Discuss six ways in which a teacher can integrate ICT tools in teaching Biology at the secondary level. (30 mk)
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