Define biodiversity and list four measures of its assessment.

1. Define biodiversity. (1 mk)
2. List four measures of its assessment. (4 mk)

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Give four differences between C3 and C4 plants.

1. Give four differences between C3 and C4 plants. (4 mk)

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List four roles of the skeletal system.

1. List four roles of the skeletal system. (4 mk)

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State four factors that affect transpiration.

1. State four factors that affect transpiration. (4 mk)

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Give four effects of pollution on aquatic life.

1. Give four effects of pollution on aquatic life. (4 mk)

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State four structural features of xylem tissue.

1. State four structural features of xylem tissue. (4 mk)

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List four human activities that contribute to global warming.

1. List four human activities that contribute to global warming. (4 mk)

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Mention four types of immunity in humans.

1. Mention four types of immunity in humans. (4 mk)

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List four advantages of case study teaching methods.

1. List four advantages of case study teaching methods. (4 mk)

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State four characteristics of effective teaching materials.

1. State four characteristics of effective teaching materials. (4 mk)

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Explain the mechanism and importance of transpiration.

1. Explain the mechanism of transpiration. (8 mk)
2. Explain the importance of transpiration. (7 mk)

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Discuss the structure and function of alveoli.

1. Discuss the structure of alveoli. (7 mk)
2. Discuss the function of alveoli. (8 mk)

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Describe stages of meiosis and its genetic significance.

1. Describe the stages of meiosis. (10 mk)
2. Describe its genetic significance. (5 mk)

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Explain adaptations of grasses in savanna ecosystems.

1. Explain adaptations of grasses in savanna ecosystems. (15 mk)

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In a low-resource lab, students cannot measure transpiration rise. Describe six improvisations to facilitate practical work.

1. Describe six improvisations to facilitate practical work in measuring transpiration rise in a low-resource lab. (15 mk)

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A student-teacher mislabels parts during classification practical. Offer six corrective and future-proofing strategies.

1. Offer six corrective and future-proofing strategies when a student-teacher mislabels parts during a classification practical. (15 mk)

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Some students consistently perform poorly in home assignments. Outline six steps to identify issues and offer support.

1. Outline six steps to identify issues and offer support to students who consistently perform poorly in home assignments. (15 mk)

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School changes syllabus mid-semester. As teacher, list six actions to realign teaching plans without disrupting progress.

1. As a teacher, list six actions to realign teaching plans without disrupting progress when the school changes the syllabus mid-semester. (15 mk)

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