Summary

• Description:

  The PDF document comprises STAREHE GIRLS' CENTRE Biology Paper 3 Pre Mock Exam with Answers (Marking Scheme). The marking scheme is in a different document.

  It was a Pre-mock Biology Paper 3 (Practical) examination.

  This practical paper evaluates candidates' laboratory skills in biochemical food testing, physiological analysis of photosynthesis, plant carnivorous adaptations, and arthropod taxonomy. It provides a standardized framework for scoring laboratory-based scientific inquiry.

  • Duration: 1 Hour 45 Minutes
  • Total Marks: 40
  • Number of Questions: 3 (Questions 1 - 3)
  • Structure: A single continuous practical examination featuring 3 compulsory hands-on and photographic interpretation questions (Question 1: 10 marks, Question 2: 16 marks, Question 3: 14 marks).

  It covers the following topics:

  • Section A:
    • Food tests and biochemical assays (iodine test for starch, Benedict's test for non-reducing sugars via acid hydrolysis, and enzymatic starch hydrolysis)
    • Plant autotrophic nutrition and photosynthesis (analysis of variegated leaves, starch testing protocols, ethanol decolourization, and leaf functions)
    • Plant nutritional adaptations and sensitivity (insectivorous Venus flytrap adaptations, nitrogen deficiency, and thigmonastic/haptonastic responses)
    • Taxonomy and classification (phylum Arthropoda classification, diagnostic characteristics of Arachnida, Insecta, and Crustacea, ecological and economic roles, and arthropod locomotion)
• File Size:

  307.96 KB
• Length:

  5 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  Biology
• Posted By:

  Caleb_Peter

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