2026 Grade 10 Marine and Fisheries Mid Term 2 Exam with Marking Scheme

This paper covers the following topics:

• Section A
  • Aquatic ecosystems — identifying Kenyan ecosystems (marine, freshwater), physical characteristics, estuary characteristics
  • Fish anatomy — labeling parts of the Tilapia (fins, gills, etc.) and their functions
  • Marine careers — matching careers to roles: aquaculturist, marine biologist, fish quality assurance officer, oceanographer, fisheries extension officer
  • Aquatic environment facts — salinity, Lake Turkana, cartilaginous fish, mangroves, Nile Perch (true/false)
  • Aquaculture — definition, site selection factors for earthen ponds, internal fish organs (gills and swim bladder), extensive vs. intensive aquaculture
• Section B
  • Earthen pond construction — topography and soil type considerations, steps in constructing an earthen lined pond, area calculation, security measures
  • Marine aquaculture — fingerling introduction process, predator management in a fish cage, importance of record keeping, liming before stocking
  • Coral reef conservation — causes of coral bleaching, economic benefits of healthy reef ecosystems, conservation of seagrass and mangroves
  • Fish processing — anatomy of the Nile Perch (labeled parts and functions), morphological comparison of Nile Perch and Great White Shark, average weight calculation, role of fish processing factories in the Kenyan economy
• 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
• Format: Ms Word