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DSEE 🇹🇿 NECTA ✓ MS available

Biology · Paper 1 · 2007

18 questions

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Questions (18)

Section A

1. 4 marks

Mention four differences between complete and incomplete metamorphosis.

  1. Difference 1 (1 mk)
  2. Difference 2 (1 mk)
  3. Difference 3 (1 mk)
  4. Difference 4 (1 mk)

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2. 4 marks

List four functions of blood in the human body.

  1. Function 1 (1 mk)
  2. Function 2 (1 mk)
  3. Function 3 (1 mk)
  4. Function 4 (1 mk)

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3. 4 marks

Give four examples of genetically inherited diseases in humans.

  1. Example 1 (1 mk)
  2. Example 2 (1 mk)
  3. Example 3 (1 mk)
  4. Example 4 (1 mk)

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4. 4 marks

Outline four principles of natural selection.

  1. Principle 1 (1 mk)
  2. Principle 2 (1 mk)
  3. Principle 3 (1 mk)
  4. Principle 4 (1 mk)

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5. 4 marks

List four teaching resources useful in a topic on “Transport in Plants”.

  1. Resource 1 (1 mk)
  2. Resource 2 (1 mk)
  3. Resource 3 (1 mk)
  4. Resource 4 (1 mk)

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6. 4 marks

Mention four effects of eutrophication in aquatic ecosystems.

  1. Effect 1 (1 mk)
  2. Effect 2 (1 mk)
  3. Effect 3 (1 mk)
  4. Effect 4 (1 mk)

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7. 4 marks

State four ways to maintain hygiene in the school laboratory.

  1. Way 1 (1 mk)
  2. Way 2 (1 mk)
  3. Way 3 (1 mk)
  4. Way 4 (1 mk)

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8. 4 marks

List four examples of heterotrophic organisms.

  1. Example 1 (1 mk)
  2. Example 2 (1 mk)
  3. Example 3 (1 mk)
  4. Example 4 (1 mk)

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9. 4 marks

Mention four human-induced factors that cause climate change.

  1. Factor 1 (1 mk)
  2. Factor 2 (1 mk)
  3. Factor 3 (1 mk)
  4. Factor 4 (1 mk)

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10. 4 marks

List four qualities of an effective Biology teacher.

  1. Quality 1 (1 mk)
  2. Quality 2 (1 mk)
  3. Quality 3 (1 mk)
  4. Quality 4 (1 mk)

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Section B

11. 15 marks

Describe the structure and function of the mammalian heart.

  1. Structure of the mammalian heart (7 mk)
  2. Function of the mammalian heart (8 mk)

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12. 15 marks

Explain the importance of transpiration in plants and the factors that affect its rate.

  1. Importance of transpiration in plants (7 mk)
  2. Factors affecting the rate of transpiration (8 mk)

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13. 15 marks

Discuss the main types of immunity and how they function in protecting the body.

  1. Main types of immunity (7 mk)
  2. How they function in protecting the body (8 mk)

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14. 15 marks

Describe the process of digestion in the alimentary canal, from ingestion to egestion.

  1. Ingestion (1 mk)
  2. Digestion in the mouth (2 mk)
  3. Digestion in the stomach (4 mk)
  4. Digestion in the small intestine (5 mk)
  5. Absorption (2 mk)
  6. Egestion (1 mk)

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Section C

15. 10 marks

As a Biology teacher, explain six uses of a practical approach when teaching complex topics.

  1. Use 1 (1 mk)
  2. Use 2 (1 mk)
  3. Use 3 (1 mk)
  4. Use 4 (1 mk)
  5. Use 5 (1 mk)
  6. Use 6 (1 mk)

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16. 10 marks

Describe six techniques of integrating formative assessment into daily Biology lessons.

  1. Technique 1 (1 mk)
  2. Technique 2 (1 mk)
  3. Technique 3 (1 mk)
  4. Technique 4 (1 mk)
  5. Technique 5 (1 mk)
  6. Technique 6 (1 mk)

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17. 10 marks

Discuss six ways of motivating students in learning Biology in rural schools.

  1. Way 1 (1 mk)
  2. Way 2 (1 mk)
  3. Way 3 (1 mk)
  4. Way 4 (1 mk)
  5. Way 5 (1 mk)
  6. Way 6 (1 mk)

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18. 10 marks

Explain six ethical responsibilities of a Biology teacher in the context of classroom and school community.

  1. Responsibility 1 (1 mk)
  2. Responsibility 2 (1 mk)
  3. Responsibility 3 (1 mk)
  4. Responsibility 4 (1 mk)
  5. Responsibility 5 (1 mk)
  6. Responsibility 6 (1 mk)

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