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NECTA CSEE Biology 2032 Questions & Marking Scheme Solutions

Practice official NECTA past examination questions for Biology. Below are the first 3 verified questions with detailed marking scheme answers, examiner tips, and model responses. Students can test themselves and get their answers graded with step-by-step guidance.

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1-3 Official Exam Questions & Answers

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Question Topic:

10 Marks

Describe the differences between animal cells and plant cells.

Official Marking Scheme & Model Answer

Model Answer / Key

Animal cells have no cell wall and no chloroplasts, while plant cells have both.

Mark Allocation Criteria

cell_wall
chloroplasts
vacuoles

Question 1(a) Topic:

10 Marks

Describe the differences between an animal cell and a plant cell.

Official Marking Scheme & Model Answer

Model Answer / Key

Plant cells have a rigid cell wall made of cellulose and chloroplasts for photosynthesis. Animal cells lack these structures but contain centrioles. Plant cells typically have one large central vacuole, while animal cells have smaller, temporary vacuoles.

Examiner's Explanation

Focus on key biological terms like "emulsification", "turgidity", and "deoxygenated" to secure maximum marks.

Mark Allocation Criteria

Presence of cell wall in plant cells and absence in animal cells
Presence of large central vacuole in plant cells
Presence of chloroplasts in plant cells for photosynthesis
Animal cells have centrioles, plant cells do not
Plant cells have a fixed rectangular shape, animal cells are irregular

Question 1(i) Section A

1 Mark

(i) Which respiratory surface is responsible for gaseous exchange in the tadpole?

A Book lung

B Skin

C Gills

D Lungs

Official Marking Scheme & Model Answer

Model Answer / Key

Examiner's Explanation

Tadpoles are aquatic larval stages of amphibians and use external/internal gills for gaseous exchange in water before metamorphosing into adult frogs.

Mark Allocation Criteria

Option C is the correct answer.

Question 4 Preview ✨ Zana Learn AI Examiner Active

(i) Which part is the functional unit of the kidney?

[Answer input and detailed step-by-step AI marking scheme locked]

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NECTA CSEE Biology 2032 Questions & Marking Scheme Solutions

1-3 Official Exam Questions & Answers

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