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DSEE 🇹🇿 NECTA ✓ MS available

Biology · Paper 1 · 2005

18 questions

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Questions (18)

Section A

1. 3 marks

Define trophic level and list four types of feeding relationships.

  1. List four types of feeding relationships. (2 mk)

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2. 3 marks

Give four properties of water that support life.

  1. Give four properties of water that support life. (3 mk)

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3. 3 marks

State four differences between DNA and RNA.

  1. State four differences between DNA and RNA. (3 mk)

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4. 3 marks

List four behavioral adaptations of nocturnal animals.

  1. List four behavioral adaptations of nocturnal animals. (3 mk)

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5. 3 marks

State four advantages of sexual reproduction.

  1. State four advantages of sexual reproduction. (3 mk)

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6. 3 marks

List four laboratory safety rules for handling acids.

  1. List four laboratory safety rules for handling acids. (3 mk)

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7. 3 marks

State four causes of soil erosion.

  1. State four causes of soil erosion. (3 mk)

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8. 3 marks

Give four functions of plant stem.

  1. Give four functions of plant stem. (3 mk)

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9. 3 marks

Mention four ways to assess learners during a Biology lesson.

  1. Mention four ways to assess learners during a Biology lesson. (3 mk)

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10. 3 marks

State four qualities of a good quiz question.

  1. State four qualities of a good quiz question. (3 mk)

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Section B

11. 15 marks

Explain the steps and significance of protein synthesis.

  1. Explain the steps of protein synthesis. (10 mk)
  2. Explain the significance of protein synthesis. (5 mk)

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12. 15 marks

Discuss the adaptations of desert plants.

  1. Discuss the adaptations of desert plants. (15 mk)

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13. 15 marks

Describe the endocrine control of blood glucose.

  1. Describe the endocrine control of blood glucose. (15 mk)

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14. 15 marks

Explain ecological succession and its types.

  1. Explain ecological succession. (5 mk)
  2. Explain its types. (10 mk)

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Section C

15. 10 marks

A student-teacher uses a simulation for osmosis but students are disengaged. Cite six feedback points to improve interactivity and clarity.

  1. Cite six feedback points to improve interactivity and clarity. (10 mk)

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16. 10 marks

During group work on classification, some learners dominate while others remain silent. Describe six strategies to manage participation and fairness.

  1. Describe six strategies to manage participation and fairness. (10 mk)

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17. 10 marks

A practical on blood typing causes unexpected allergic reactions. Detail six procedures to ensure safety, record keeping, and follow up.

  1. Detail six procedures to ensure safety, record keeping, and follow up. (10 mk)

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18. 10 marks

A teacher fails to align instructional materials with cultural context. Recommend six reflective and corrective actions to enhance relevance and learner engagement.

  1. Recommend six reflective and corrective actions to enhance relevance and learner engagement. (10 mk)

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