KCSE HOME SCIENCE QUESTIONS AND ANSWERS

Highlight six points to observe when looking after a sick person.

1/6/2020

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Highlight six points to observe when looking after a sick person.

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Identify five activities carried out in the management of amoebic dysentery.

1/6/2020

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Identify five activities carried out in the management of amoebic dysentery.

Proper disposal of human waste/proper use of toilets.
Treatment of water for domestic use/clean water/boiling/water guard/aqua tabs etc.
Proper food water storage
Observing strict personal hygiene (carry personal hygiene is acceptable)
Treatment of infected persons/seek medical advice/take to hospital/drugs.
Thorough cooking of food.
Proper water storage
Thorough cleaning foods/wash foods well .
Wash utensils well.

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Outline six precautions to take when using electrical appliances in the home

1/6/2020

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Outline six precautions to take when using electrical appliances in the home

Have all electrical wires well insulated
Replace damaged wires
Avoid pushing metal objects into electric sockets
Avoid touching electric switches with wet hands.
Turn off switches when not in use.
Avoid using defective appliances
Follow manufacturer’s instructions when using electrical appliances.
Avoid having electrical cables running across rooms.
Avoid overloading sockets/too many gadgets
Put off when there is a black out.

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State three advantages of lining curtains.

1/6/2020

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State three advantages of lining curtains.

Prolong its life/last long/durable. Protect from sunrays/filtering excess light.
Make it heavy for adding body.
Make it drape well/hang well. .
Prevent fading
Opaque/privacy

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Draw a symbol for each of the following care instructions;Hand wash with temperature the hand can withstand;hang, to dry on a clothes' line;do not dry-clean;use a cool iron of about 120°C.

1/6/2020

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Draw a symbol for each of the following care instructions; Hand wash with temperature the hand can withstand; hang, to dry on a clothes' line; do not dry-clean; use a cool iron of about 120°C.

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Highlight five reasons why timely repair of household articles is important.

1/6/2020

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Highlight five reasons why timely repair of household articles is important.

maintain their original size.
make them last long/durable/stay longer/cutting cost/same on money
keep their shape/pattern/design/look/style.
make them look smart/presentable/neat/good/nicee/attractive.
reduce the possibility of the wear and tear worsening/prevent further tearing.

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Outline five processes carried out on the skirt of an apron with a bib in readiness for attachment.

1/6/2020

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Outline five processes carried out on the skirt of an apron with a bib in readiness for attachment.

Prepare the skirt neatening/finishing the sides of the skirt appropriately/hemming/binding/machining/shell-edge
preparing the pocket/attaching. finishing the lower hem/putting a frill/using lace/binding.
preparing the gathers and pulling to fit on the area to be attached to.
Embroidery/pleat/smock on skirt/decoration
Press/iron

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Explain three processes to be carried out on a fabric before laying out patterns.

1/6/2020

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Explain three processes to be carried out on a fabric before laying out patterns.

Putting in water in order to prevent shrinking.
Pre-shrinking —steeping the fabric in cold water for about 30 minutes and drying.
Graining-removing a weft thread along the raw edge and cutting along the space left.
Pulling- pulling the fabric diagonally/straighten or align the grain.
Iron/pressing-using a hot iron to remove creases/for accuracy/for neatness.
Moving the iron on the fabric
Checking on factory faults-to avoid faults when cutting-identify the faults
Establish the fabric size-to ensure its enough-size of fabric
Check on nap/one way design-to ensure you cut well-on sight
Plan a rough lay out -to ensure fabric is enough-place pattern pieces don the material.

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Explain how the following factors contribute to successful meal planning:

1/6/2020

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Explain how the following factors contribute to successful meal planning:

Nutritional balance; Should be balanced to meet body needs
Should contain, carbohydrates, vitamins, minerals, fats and oils, water and roughage to meet body needs.
Climate; During the hot weather, there is need to serve cold foods whereas during the cold weather,hot foods are preferred.
People tend to eat generally more food in cold weather to meet increased demand for energy to keep people warm.
Food should be suitable for the climate/whether in order to meet its demands.
Texture; Food should have varied textures to make them appealing/break monotony/strengthen teeth/appetizing/interesting/good etc.
Individual requirements;The food should cater for each individual in the family in order to meet their specific demands.

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Explain three functions of fats and oils in the body.

1/6/2020

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Explain three functions of fats and oils in the body.

Functions of fats and oils in the body. Gives a feeling of fullness because they have a high satiety value
Helps lubricate joints when present in the body
Converted into energy when the body needs them when excess is stored in the body.
Fat deposited under the skin acts as an insulator against cold.
Regulates body temperature when deposited under skin.
Fat deposits around internal organs protect them from physical injury.
Produce energy required for body activities/mechanisms/when carbohydrates are missing.
Helps keep the skin supple/soft when deposited under the skin

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Identify four functions of the Kenya Consumer Association.

1/6/2020

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Identify four functions of the Kenya Consumer Association.

Functions of the Kenya Consumer Association to
Protect the interests/quantity/rights/prices of the consumers.
Guard against dumping of harmful/worthless goods in the market/works with KEBS to promote quality.
Handle consumer complaints.
Promote consumer education/awareness.
Keep consumers informed on matters of interest to them.

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What do you understand by comparative shopping?

1/6/2020

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What do you understand by comparative shopping?

Comparative shoppings the practice of observing prices and comparing qualities of goods/prices offered at different prices and places.

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You are planning to travel with your one year old sister. Give the procedure you would use to:,clean the baby’s plastic cup you will use on the way;Clean an aluminum saucepan that was previously used to boil the baby’s milk;Launder a coloured linen s

1/6/2020

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You are planning to travel with your one year old sister. Give the procedure you would use to: ,clean the baby’s plastic cup you will use on the way;Clean an aluminum saucepan that was previously used to boil the baby’s milk;Launder a coloured linen shirt with a fresh tea stain.

Cleaning a plastic cup

Clean/soft abrasive/sisal wash in hot/warm soapy water using a soft cloth or sponge.
rinse thoroughly in hot/warm water.
drip dry /dry with a cloth
pack appropriately .
Store/keep well/right place/bag/basket

Clean an aluminum saucepan that was previously used to boil the baby’s milk;

Cleaning aluminum sauce pan previously used to boil milk.soak in cold water
wash/clean with warm/hot/soapy water. Using an abrasive/sand/ash/steel wool
inside/outside .
rinse thoroughly in warm/hot water.
dry with a dry cloth/drip on a rack or draining board

Launder a coloured linen shirt with a fresh tea stain.

Laundering a coloured linen shirt with a fresh tea stain. pour water through the stain.
soak in cold water
wash in warm soapy water using friction method/gebtke friction/rubbing.
rinse in warm water.
final rinse in cold water to which salt has been added/vinega .
Dry under a shade on a clothes' line.
iron while damp using a hot/warm iron.
air fold and store appropriately.

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Differentiate between a bound opening and a continuous wrap opening.

1/6/2020

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Differentiate between a bound opening and a continuous wrap opening.

A bound opening is seen on the R.S of the garment while a continuous wrap opening does not show on the R.S when closed.
A bound opening has a strip cut on the bias while the continuous wrap is cut with a straight strip of fabric.
Bound not reinforced at base while continuous is/3 mm from the base.
Bound can be both functional & decorative while continuous may not.
Bound is continuous while a continuous wrap has an underlap overlap clearly distinct.

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