2026 Grade 10 General Science Mid Term 2 Exam with Marking Scheme

This paper covers the following topics:

• Section A
  • Science careers and scientific investigations — careers requiring General Science; defining “inference”
  • Microscopy and cell biology — parts of the microscope (diaphragm, objective lens); cell components (cytoplasm, ribosome); light vs. electron microscope
  • Human digestion — where mechanical digestion begins, stomach enzyme for protein digestion, adaptations of the ileum
  • Atomic structure and the periodic table — electronic configuration, valency, chemical formula writing, noble gases, definition of anion
  • Plant biology — conditions for seed germination, types of germination, translocation tissue (phloem), hormone for apical dominance (auxin)
  • Chemistry — acid-base identification, salt formation (magnesium + HCl), deliquescence, factors affecting rate of chemical reactions
• Section B
  • Cell biology and microscopy — detailed study of cell organelles and their functions
  • Human digestive system — structure and function including enzyme action
  • Chemistry — properties of substances, chemical bonding, salt chemistry
  • Plant physiology — germination, transport systems, and plant hormones in greater depth
• Duration: 2 Hours
• Total Marks: 80 (Section A: 30 marks; Section B: 50 marks)
• Structure:
  • Section A (30 marks) — Short-answer questions; all compulsory
  • Section B (50 marks) — Structured/extended-response questions; all compulsory
• File Format: Ms Word