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Biology Practical Exam 24 Marking Scheme.pdf

Biology-Practical-Exam-24-Marking-Scheme.pdf
Preview of Biology Practical Exam 24 Marking Scheme
🔗 Source: teacher.co.ke
📊 Size: 865 KB
👤 Author: Phanice
⬇️ Downloads: 82

Summary

BIOLOGY 231/3 PRACTICAL marking scheme includes tests for starch, reducing sugars, and protein. Starch is identified by adding iodine solution, which changes color to blue-black. Reducing sugars are identified by adding Benedicts solution and heating, which changes color from blue to orange. Protein is identified by adding Sodium Hydroxide and Copper sulphate, which changes color to purple. The scheme also includes identification of bone parts, such as neural spine, zygapophysis, and acetabulum, and their functions. Additionally, it includes plant identification, with options including Geranium, Pistia, and Jacaranda, and classification into Monocotyledonae and Dicotyledonae.

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Description

BIOLOGY 231/3 PRACTICAL marking scheme includes tests for starch, reducing sugars, and protein.

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  • File Format: PDF
  • File Size: 865 KB
  • Pages: 1
  • Language: EN
  • Author: Phanice
  • Total Downloads: 82
  • Last Updated: 1 month ago

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