Classify the following organisms from phylum/division to class level; (a) Moss (b) Crab, (c) Water lily (d) Amoeba

1. Moss (1 mk)
2. Moss (1 mk)
3. Crab (1 mk)
4. Crab (1 mk)
5. Water lily (1 mk)
6. Water lily (1 mk)
7. Amoeba (1 mk)
8. Amoeba (1 mk)

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Validate the statement by giving two points that cells of cold-blooded animals have high proportion of unsaturated fatty acids than those of warm-blooded animals.

1. Explain why cells of cold-blooded animals have a high proportion of unsaturated fatty acids. (2 mk)

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Give four possible factors that affect Basal Metabolic Rate (BMR).

1. List four factors affecting Basal Metabolic Rate (BMR). (4 mk)

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Explain the need for producers, consumers, detritivores and decomposers in the biotic component of an ecosystem.

1. Explain the role of decomposers in an ecosystem. (1 mk)

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Explain the importance of providing care and support to people living with HIV/AIDS infections.

1. Discuss the importance of care and support for people living with HIV/AIDS. (4 mk)

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Explain four necessities of teacher’s guide to student teachers during Block Teaching Practice (BTP).

1. List and explain four necessities of a teacher's guide for student teachers during BTP. (4 mk)

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Explain strategies to be used to promote students’ active participation in learning.

1. Describe strategies to promote active student participation in learning. (4 mk)

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Explain ways used to facilitate practical session on dissection of a cockroach in a school where there are no laboratory facilities.

1. Suggest ways to conduct a cockroach dissection practical without a lab. (4 mk)

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Explain four limitations of using real objects as best media in actual biology classroom.

1. List and explain four limitations of using real objects as teaching media in biology. (4 mk)

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Observe the figure and answer the questions that follow: Page 2 of 3

1. Which concept in teaching does the figure represent? (1 mk)
2. Identify two curriculum materials required for the student teacher to carry out in stage II. (2 mk)
3. How important are the activities at stage IV to the student teacher? Give two points. (3 mk)

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Explain in six points the contribution of Biotechnology towards industrial economic development in Tanzania.

1. Discuss six contributions of biotechnology to Tanzania's industrial economic development. (6 mk)

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Justify six aspects showing beneficial and detrimental economic importance of bacteria to human and other organisms.

1. Provide six examples of beneficial and detrimental economic impacts of bacteria. (6 mk)

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Develop six safety precaution measures that a student should follow to reduce accidents during practical session on food test.

1. List and explain six safety precautions for food testing practicals. (6 mk)

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Prepare an observation checklist with seven points to observe during assessment of the biology practical, which require the students to dissect a cockroach and display its digestive system.

1. Create a 7-point observation checklist for assessing a cockroach dissection practical. (7 mk)

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