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DSEE 🇹🇿 NECTA ✓ MS available

Biology · Paper 1 · 2012

18 questions

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Questions (18)

Section A

1. 4 marks

State four characteristics of living organisms that distinguish them from non-living things.

  1. State four characteristics of living organisms that distinguish them from non-living things. (4 mk)

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2. 4 marks

Mention four functions of the human skeletal system.

  1. Mention four functions of the human skeletal system. (4 mk)

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3. 4 marks

Give four reasons why cell division is important to living organisms.

  1. Give four reasons why cell division is important to living organisms. (4 mk)

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4. 4 marks

Outline four features used to classify vertebrates.

  1. Outline four features used to classify vertebrates. (4 mk)

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5. 4 marks

State four laboratory rules that should be observed when handling glassware.

  1. State four laboratory rules that should be observed when handling glassware. (4 mk)

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6. 4 marks

Briefly explain four factors that affect enzyme activity.

  1. Briefly explain four factors that affect enzyme activity. (4 mk)

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7. 4 marks

Mention four elements commonly found in biological molecules.

  1. Mention four elements commonly found in biological molecules. (4 mk)

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8. 4 marks

Outline four strategies used to prevent sexually transmitted infections (STIs).

  1. Outline four strategies used to prevent sexually transmitted infections (STIs). (4 mk)

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9. 4 marks

List four teaching aids a teacher can use when teaching reproduction in flowering plants.

  1. List four teaching aids a teacher can use when teaching reproduction in flowering plants. (4 mk)

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10. 4 marks

Mention four characteristics of a well-formulated learning objective.

  1. Mention four characteristics of a well-formulated learning objective. (4 mk)

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Section B

11. 15 marks

Explain five roles of the liver in maintaining body homeostasis.

  1. Explain five roles of the liver in maintaining body homeostasis. (15 mk)

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12. 15 marks

Describe the structure of a typical plant cell and explain the function of each organelle.

  1. Describe the structure of a typical plant cell. (5 mk)
  2. Explain the function of each organelle. (10 mk)

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13. 15 marks

Discuss the nitrogen cycle and its importance to living organisms.

  1. Discuss the nitrogen cycle. (10 mk)
  2. Discuss its importance to living organisms. (5 mk)

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14. 15 marks

Describe five differences between aerobic and anaerobic respiration and state their importance.

  1. Describe five differences between aerobic and anaerobic respiration. (10 mk)
  2. State their importance. (5 mk)

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Section C

15. 30 marks

Outline six teaching strategies you would use to enhance participation during a Biology lesson on blood circulation.

  1. Outline six teaching strategies you would use to enhance participation during a Biology lesson on blood circulation. (30 mk)

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16. 30 marks

Explain six components of a Biology lesson plan and their importance in lesson delivery.

  1. Explain six components of a Biology lesson plan and their importance in lesson delivery. (30 mk)

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17. 30 marks

Describe six assessment techniques used by Biology teachers to evaluate student understanding.

  1. Describe six assessment techniques used by Biology teachers to evaluate student understanding. (30 mk)

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18. 30 marks

Discuss six ways in which a teacher can integrate ICT tools in teaching Biology at the secondary level.

  1. Discuss six ways in which a teacher can integrate ICT tools in teaching Biology at the secondary level. (30 mk)

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