Automated PLE Science Exam Paper Generator

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Accept any two of: - Crushed oyster shells / snail shells - Crushed eggshells - Bone meal (crushed animal bones) - Crushed Mukene fish (b) Accept any two of: - Feeding layers on a balanced diet rich in calcium and proteins - Providing clean fresh drinking water at all times - Vaccinating and deworming birds regularly to control diseases - Maintaining clean, well-ventilated, and dry poultry housing with comfortable laying nests - Providing adequate artificial light to stimulate laying

💡 Examiner Deduction Warning: Cognitive Level: Comprehension & Application (C & A).

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Identical twins are formed from one ovum fertilized by one sperm cell which later splits, while fraternal twins are formed from two separate ova fertilized by two different sperm cells. (b) 1. They are always of the same sex. 2. They look exactly alike (have identical features).

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(i) Sorting: Separates clothes by color to prevent staining, and by texture/dirtiness to protect delicate fabrics. (ii) Soaking: Softens and dissolves stubborn dried dirt and stains, making scrub-washing easier.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Soil drainage (or water retention capacity / porosity) (b) To prevent soil particles from falling into the collecting beaker / to filter soil from water (c) Sand soil drained fastest; because sand soil has larger particles with larger air spaces (pore spaces) that allow water to pass freely

💡 Examiner Deduction Warning: Cognitive Level: Application (A).

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) A fracture is a broken or cracked bone in the body. [1 mark] (b) In a simple fracture, the broken bone remains inside unbroken skin; in a compound fracture, the broken bone tears through muscle and pierces outside through the skin. [1 mark] (c) (i) Splints: Immobilize and hold the broken bone in one fixed position to prevent movement. [1 mark] (ii) Arm sling: Supports, immobilizes, and elevates a fractured or injured arm. [1 mark]

💡 Examiner Deduction Warning: In (a), writing 'a broken bone' without mentioning 'cracked' loses precision. In (c)(i), 'keeps bone in one position' is the official mark-earning phrase.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Raised dish drying rack (or Plate stand). (b) (i) Keeps plates away from crawling insects, dogs, and chickens (ii) Prevents mud and dust splashes from dirtying clean plates. (c) The ultraviolet (UV) rays of sunlight kill harmful bacteria on the plates.

💡 Examiner Deduction Warning: Award 4 marks for complete sanitation rationale.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Vasectomy is a permanent surgical method done on men (cutting the vas deferens), whereas tubal ligation is done on women (cutting the fallopian tubes). (b) Condoms are the only birth control method that also protects against the transmission of STDs/HIV. (c) Any one of: Abstinence, calendar/rhythm method, withdrawal, or prolonged breastfeeding. 🎨 We have now extracted the complete Evaluation Questions for P.6 Term 3! Would you like me to turn these questions into an interactive class game or a beautiful PDF exam paper that you can print for your pupils?

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) The tin can crushed / collapsed inward. (b) Cold water condensed the steam inside into liquid water, creating a partial vacuum (low air pressure) inside. The higher atmospheric air pressure outside crushed the can inward. (c) Condensation (gas/steam turning into liquid water).

💡 Examiner Deduction Warning: A classic 4-mark PLE question.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) The first yellowish breast milk produced by a mother during the first few days after giving birth. (b) (i) Rich in maternal antibodies that provide immediate passive immunity against infections (ii) Acts as a mild laxative to clear meconium from intestines. (c) Goitre.

💡 Examiner Deduction Warning: Standard 4-mark UNEB question on infant health.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Dehydration (loss of water and essential mineral salts). (b) Any two of: Sunken eyes, dry lips, pale skin that does not snap back when pinched, or extreme body weakness. (c) Administering Oral Rehydration Solution (ORS) or extra fluids like coconut water.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Dry banana peelings (or dry bean plant leaves). (b) Filtration (followed by evaporation/crystallization to get solid crystals). (c) Any two of: Used to soften/tenderize food (like dry beans) during cooking. Used as a food preservative for meat and fish. Used as a pesticide. Used as local medicine to cure minor stomach upsets.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) An ordinary pit latrine requires a tight-fitting lid over its drop hole, whereas a VIP latrine must be left open without a lid at all times. (b) Wood ash (or soil/lime) is sprinkled over the feces. Its role is to dehydrate the waste, neutralize smells, and raise pH to destroy pathogens. (c) Never throw hard materials (like stones, pads, or newspapers) into the bowl to prevent blockage. TOPIC 12: THE REPRODUCTIVE SYSTEM

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Wringing (or squeezing/spinning). (b) Rinsing.

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Accept any two of: - Cold-blooded (poikilothermic) - Live both on land and in water - Lay eggs in water covered in jelly - Undergo external fertilization - Breathe through moist skin and lungs (gills at larval/tadpole stage) (b) Accept any two of: - Fish breathe using gills throughout their lives, while adult amphibians breathe using lungs and moist skin - Fish have fins for swimming, while amphibians have limbs (legs) with webbed toes - Fish have scales covering their bodies, while amphibians have smooth moist skin without scales - Fish have a lateral line to detect vibrations, while amphibians detect sound using eardrums

💡 Examiner Deduction Warning: Cognitive Level: Comprehension (C).

✅ Official UNEB Section B Scoring Guide (Total: 4 Marks):

(a) Drowning is dying due to lungs being filled with water, whereas near drowning is a condition where lungs are filled with water and breathing fails, but the casualty is not yet dead. (b) Any two of: Inability to swim, capsizing of boats in a storm, floods, or getting a muscle cramp while in deep water. (c) Pull them out of the water immediately and apply mouth-to-mouth resuscitation (Kiss of life) followed by chest compressions (CPR).